Biggest change(2) Interest income on tax-exempt loans and investment securities has been adjusted to an FTE basis using a marginal tax rate of 21.6% for the year ended December 31, 2022, 21.0% for the year ended December 31, 2021, 21.8% for the year ended December 31, 2020, 21.8% for the year ended December 31, 2019, and 21.7% for the year ended December 31, 2018. 61 The following table summarizes the calculation of our tangible shareholders’ equity, tangible assets, the ratio of tangible shareholders’ equity to tangible assets, and tangible book value per share, which reconciles to the most directly comparable respective GAAP measure, as of the dates indicated: As of December 31, 2022 2021 2020 2019 2018 (Dollars in thousands, except per share data) Tangible shareholders’ equity: Total shareholders’ equity (GAAP) $ 2,471,790 $ 3,406,352 $ 3,428,052 $ 1,600,153 $ 1,433,141 Less: Goodwill and other intangibles 661,126 649,703 376,534 377,734 381,276 Tangible shareholders’ equity (non-GAAP) 1,810,664 2,756,649 3,051,518 1,222,419 1,051,865 Tangible assets: Total assets (GAAP) 22,646,858 23,512,128 15,964,190 11,628,775 11,372,287 Less: Goodwill and other intangibles 661,126 649,703 376,534 377,734 381,276 Tangible assets (non-GAAP) $ 21,985,732 $ 22,862,425 $ 15,587,656 $ 11,251,041 $ 10,991,011 Shareholders’ equity to assets ratio (GAAP) 10.9 % 14.5 % 21.5 % 13.8 % 12.6 % Tangible shareholders’ equity to tangible assets ratio (non-GAAP) 8.2 % 12.1 % 19.6 % 10.9 % 9.6 % Book value per share: Common shares issued and outstanding 176,172,073 186,305,332 186,758,154 — — Book value per share (GAAP) $ 14.03 $ 18.28 $ 18.36 $ — $ — Tangible book value per share (non-GAAP) $ 10.28 $ 14.80 $ 16.34 $ — $ — The following table summarizes the calculation of our average tangible shareholders’ equity and ratio of net income and operating net income to average tangible shareholders’ equity (“operating return on average tangible shareholders’ equity”), which reconciles to the most directly comparable GAAP measure, for the periods indicated: As of December 31, 2022 2021 2020 2019 2018 (Dollars in thousands) Net income (GAAP) $ 199,759 $ 154,665 $ 22,738 $ 135,098 $ 122,727 Operating net income (non-GAAP) (1) 213,279 165,885 102,134 129,696 121,796 Average tangible shareholders’ equity: Average total shareholders’ equity (GAAP) $ 2,831,533 $ 3,424,570 $ 2,040,156 $ 1,543,191 $ 1,360,562 Less: Average goodwill and other intangibles 655,653 414,441 376,706 379,615 380,304 Average tangible shareholders’ equity (non-GAAP) $ 2,175,880 $ 3,010,129 $ 1,663,450 $ 1,163,576 $ 980,258 Ratios: Return on average total shareholders’ equity (GAAP) 7.05 % 4.52 % 1.11 % 8.75 % 9.02 % Return on average tangible shareholders’ equity (non-GAAP) 9.18 % 5.14 % 1.37 % 11.61 % 12.52 % Operating return on average tangible shareholders’ equity (non-GAAP) 9.80 % 5.51 % 6.14 % 11.15 % 12.42 % (1) Refer to the table above within this “Non-GAAP Financial Measures” section for a reconciliation of operating net income to net income. 62 Financial Position Summary of Financial Position As of December 31, Change 2022 2021 Amount ($) Percentage (%) (Dollars in thousands) Cash and cash equivalents $ 169,505 $ 1,231,792 $ (1,062,287) (86.2) % Securities available for sale 6,690,778 8,511,224 (1,820,446) (21.4) % Securities held to maturity 476,647 — 476,647 100.0 % Loans, net of allowance for loan losses 13,420,317 12,157,281 1,263,036 10.4 % Federal Home Loan Bank stock 41,363 10,904 30,459 279.3 % Goodwill and other intangible assets 661,126 649,703 11,423 1.8 % Deposits 18,974,359 19,628,311 (653,952) (3.3) % Borrowed funds 740,828 34,278 706,550 2,061.2 % Cash and cash equivalents Total cash and cash equivalents decreased by $1.1 billion, or 86.2%, to $169.5 million at December 31, 2022 from $1.2 billion at December 31, 2021.
Biggest changeRefer to Note 23, “Discontinued Operations” within the Notes to the Consolidated Financial Statements included in Part II, Item 8 in this Annual Report on Form 10-K. 59 The following table summarizes the calculation of our tangible shareholders’ equity, tangible assets, the ratio of tangible shareholders’ equity to tangible assets, and tangible book value per share, which reconciles to the most directly comparable respective GAAP measure, as of the dates indicated: As of December 31, 2023 2022 2021 2020 2019 (Dollars in thousands, except per share data) Tangible shareholders’ equity: Total shareholders’ equity (GAAP) $ 2,974,855 $ 2,471,790 $ 3,406,352 $ 3,428,052 $ 1,600,153 Less: Goodwill and other intangibles (1) 566,205 661,126 649,703 376,534 377,734 Tangible shareholders’ equity (non-GAAP) 2,408,650 1,810,664 2,756,649 3,051,518 1,222,419 Tangible assets: Total assets (GAAP) 21,133,278 22,646,858 23,512,128 15,964,190 11,628,775 Less: Goodwill and other intangibles (1) 566,205 661,126 649,703 376,534 377,734 Tangible assets (non-GAAP) $ 20,567,073 $ 21,985,732 $ 22,862,425 $ 15,587,656 $ 11,251,041 Shareholders’ equity to assets ratio (GAAP) 14.1 % 10.9 % 14.5 % 21.5 % 13.8 % Tangible shareholders’ equity to tangible assets ratio (non-GAAP) 11.7 % 8.2 % 12.1 % 19.6 % 10.9 % Book value per share: Common shares issued and outstanding 176,426,993 176,172,073 186,305,332 186,758,154 — Book value per share (GAAP) $ 16.86 $ 14.03 $ 18.28 $ 18.36 $ — Tangible book value per share (non-GAAP) $ 13.65 $ 10.28 $ 14.80 $ 16.34 $ — (1) Includes goodwill and other intangible assets which were associated with our insurance agency business for the years ended December 31, 2022, 2021, 2020, and 2019.
For information regarding our pension and other postretirement benefit plans including our pension contributions, investment strategies, assumptions, the change in benefit obligation and related plan assets, pension funding requirements and future net benefit payments, refer to Note 2, “Summary of Significant Accounting Policies” and Note 17, “Employee Benefits” within the Notes to the Consolidated Financial Statements included in Item 8 in this Annual Report on Form 10-K.
For information regarding our pension and other postretirement benefit plans including our pension contributions, investment strategies, assumptions, the change in benefit obligation and related plan assets, pension funding requirements and future net benefit payments, refer to Note 2, “Summary of Significant Accounting Policies” and Note 15, “Employee Benefits” within the Notes to the Consolidated Financial Statements included in Part II, Item 8 in this Annual Report on Form 10-K.
The table below represents an analysis of our interest rate risk as measured by the estimated changes in our EVE, resulting from an instantaneous and sustained parallel shift in the yield curve (+200, +300, +400 basis points and -100, -200 basis points) at December 31, 2022 and (+200, +300, +400 basis points and -100 basis points) December 31, 2021.
The tables below represent an analysis of our interest rate risk as measured by the estimated changes in our EVE, resulting from an instantaneous and sustained parallel shift in the yield curve (+100, +200, +400 basis points and -100, -200, and -400 basis points) at December 31, 2023 and (+200, +300, +400 basis points and -100, -200 basis points) at December 31, 2022.
For commercial and industrial, commercial real estate, commercial construction and business banking portfolios, the quantitative model uses a loan rating system which is comprised of management’s determination of probability of default, or “PD,” loss given default, or “LGD” and exposure at default, or “EAD,” which are derived from historical loss experience and other factors.
For commercial and industrial, commercial real estate, commercial construction and business banking portfolios, the quantitative model uses a loan rating system which is comprised of management’s determination of probability of default, or PD, loss given default, or LGD, and exposure at default, or EAD, which are derived from historical loss experience and other factors.
Additionally, various regulatory agencies, as an integral part of our examination process, periodically assess the adequacy of the allowance for loan losses to assess whether the allowance for loan losses was determined in accordance with GAAP and applicable guidance. 72 We perform an evaluation of our allowance for loan losses on a regular basis (at least quarterly), and establish the allowance for loan losses based upon an evaluation of our loan categories, as each possess unique risk characteristics that are considered when determining the appropriate level of allowance for loan losses, including: • known increases within each category; • certain higher risk classes of loans, or pledged collateral; • historical loan loss experience within each category; • results of any independent review and evaluation of the category’s credit quality; • trends in volume, maturity and composition of each category; • volume and trends in delinquencies and non-accruals; • national and local economic conditions and downturns in specific local industries; • corporate goals and objectives; • lending policies and procedures, including underwriting standards and collection, charge-off and recovery practices; and • current and forecasted banking industry conditions, as well as the regulatory and competitive environment.
We perform an evaluation of our allowance for loan losses on a regular basis (at least quarterly), and establish the allowance for loan losses based upon an evaluation of our loan categories, as each possesses unique risk characteristics that are considered when determining the appropriate level of allowance for loan losses, including: • known increases in concentrations within each category; • certain higher risk classes of loans, or pledged collateral; • historical loan loss experience within each category; • results of any independent review and evaluation of the category’s credit quality; • trends in volume, maturity and composition of each category; • volume and trends in delinquencies and non-accruals; • national and local economic conditions and downturns in specific local industries; • corporate goals and objectives; • lending policies and procedures, including underwriting standards and collection, charge-off and recovery practices; and • current and forecasted banking industry conditions, as well as the regulatory and competitive environment.
The following table illustrates the sensitivity to a change in certain assumptions for the pension plans, holding all other assumptions constant: Effect on 2023 Pension Expense Effect on December 31, 2022 Pension Benefit Obligation (in thousands) 25 basis point decrease in discount rate $ 539 $ 7,786 25 basis point increase in discount rate (519) (7,472) 25 basis point decrease in expected rate of return on plan assets 1,005 N/A 25 basis point increase in expected rate of return on plan assets (1,005) N/A 25 basis point decrease in lump sum conversion rates 494 3,558 25 basis point increase in lump sum conversion rates (472) (3,404) Recent Accounting Pronouncements In October 2021, the FASB issued ASU 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers (“ASU 2021-08”).
The following table illustrates the sensitivity to a change in certain assumptions for the pension plans, holding all other assumptions constant: Effect on 2023 Pension Expense Effect on December 31, 2023 Pension Benefit Obligation (in thousands) 25 basis point decrease in discount rate $ 539 $ 9,376 25 basis point increase in discount rate (519) (8,974) 25 basis point decrease in expected rate of return on plan assets 1,005 N/A 25 basis point increase in expected rate of return on plan assets (1,005) N/A 25 basis point decrease in lump sum conversion rates 494 3,032 25 basis point increase in lump sum conversion rates (472) (2,906) Recent Accounting Pronouncements Relevant standards that we adopted during the year ended December 31, 2023: In October 2021, the FASB issued ASU 2021-08, Business Combinations (Topic 805): Accounting for Contract Assets and Contract Liabilities from Contracts with Customers (“ASU 2021-08”).
For the retail portfolio, which includes residential real estate, consumer home equity, and other consumer portfolios, we monitor credit quality using the borrower’s FICO score. As of December 31, 2022, 72.3% of retail borrowers, based on loan balance, have a FICO score of 740 or greater.
For the retail portfolio, which includes residential real estate, consumer home equity, and other consumer portfolios, we monitor credit quality using the borrower’s FICO score. As of December 31, 2023, 70.9% of retail borrowers, based on amortized cost balances, have a FICO score of 740 or greater.
The following table presents the classification of deposits on an average basis for the years indicated: Classification of Deposits on an Average Basis For the Year Ended December 31, 2022 2021 2020 Average Amount Average Rate Average Amount Average Rate Average Amount Average Rate (Dollars in thousands) Demand $ 6,647,518 — % $ 5,547,615 — % $ 4,535,066 — % Interest checking 4,890,709 0.24 % 2,866,091 0.07 % 2,227,185 0.09 % Savings 2,015,651 0.01 % 1,483,271 0.02 % 1,123,584 0.02 % Money market investments 5,057,445 0.27 % 3,870,712 0.06 % 3,212,752 0.23 % Certificates of deposit 463,261 0.70 % 280,141 0.21 % 300,381 0.52 % Total deposits $ 19,074,584 0.15 % $ 14,047,830 0.04 % $ 11,398,968 0.10 % Other time deposits in excess of the FDIC insurance limit of $250,000, including certificates of deposits as of the dates indicated had maturities as follows: Maturities of Time Certificates of Deposit $250,000 and Over As of December 31, 2022 2021 Maturing in (In thousands) Three months or less $ 39,322 $ 113,019 Over three months through six months 45,053 53,899 Over six months through twelve months 149,107 33,295 Over twelve months 5,569 23,827 Total $ 239,051 $ 224,040 Borrowings Our borrowings may consist of both short-term and long-term borrowings and provide us with sources of funding.
The following table presents the classification of deposits on an average basis for the years indicated: Classification of Deposits on an Average Basis For the Year Ended December 31, 2023 2022 2021 Average Amount Average Rate Average Amount Average Rate Average Amount Average Rate (Dollars in thousands) Demand $ 5,404,208 — % $ 6,647,518 — % $ 5,547,615 — % Interest checking 4,070,585 0.60 % 4,890,709 0.24 % 2,866,091 0.07 % Savings 1,515,713 0.01 % 2,015,651 0.01 % 1,483,271 0.02 % Money market investments 4,918,343 2.11 % 5,057,445 0.27 % 3,870,712 0.06 % Certificates of deposit 2,303,520 4.24 % 463,261 0.70 % 280,141 0.21 % Total deposits $ 18,212,369 1.24 % $ 19,074,584 0.15 % $ 14,047,830 0.04 % Other time deposits in excess of the FDIC insurance limit of $250,000, including certificates of deposits as of the dates indicated had maturities as follows: Maturities of Time Certificates of Deposit $250,000 and Over As of December 31, 2023 2022 Maturing in (In thousands) Three months or less $ 278,281 $ 39,322 Over three months through six months 262,761 45,053 Over six months through twelve months 316,408 149,107 Over twelve months 10,146 5,569 Total $ 867,596 $ 239,051 Borrowings Our borrowings may consist of both short-term and long-term borrowings and provide us with sources of funding.
The following table shows the fair value of our securities by investment category as of the dates indicated: Securities Portfolio Composition As of December 31, 2022 2021 (In thousands) Available for sale securities, at fair value: Government-sponsored residential mortgage-backed securities $ 4,111,908 $ 5,524,708 Government-sponsored commercial mortgage-backed securities 1,348,954 1,408,868 U.S. Agency bonds 952,482 1,175,014 U.S.
The following table shows the fair value of our securities by investment category as of the dates indicated: Securities Portfolio Composition As of December 31, 2023 2022 (In thousands) Available for sale securities, at fair value: Government-sponsored residential mortgage-backed securities $ 2,780,638 $ 4,111,908 Government-sponsored commercial mortgage-backed securities 1,124,376 1,348,954 U.S. Agency bonds 216,011 952,482 U.S.
Non-accrual residential real estate and consumer home equity loans increased primarily due to several loans moving to non-accrual status which had been acquired in connection with our acquisition of Century. 74 The following tables sets forth the allocation of the allowance for loan losses by loan categories listed in loan portfolio composition and the related loan balances as a percentage of total loans as of the dates indicated: Summary of Allocation of Allowance for Loan Losses As of December 31, 2022 2021 Allowance for Loan Losses Percent of Allowance in Category to Total Allocated Allowance Percent of Loans in Category to Total Loans Allowance for Loan Losses Percent of Allowance in Category to Total Allocated Allowance Percent of Loans in Category to Total Loans (Dollars in thousands) Commercial and industrial (1) $ 26,859 18.89 % 23.21 % $ 18,018 18.43 % 24.10 % Commercial real estate 54,730 38.49 % 37.97 % 52,373 53.56 % 36.82 % Commercial construction 7,085 4.98 % 2.48 % 2,585 2.64 % 1.81 % Business banking (1) 16,189 11.38 % 8.03 % 10,983 11.23 % 10.87 % Residential real estate 28,129 19.78 % 18.13 % 6,556 6.70 % 15.69 % Consumer home equity 6,454 4.54 % 8.75 % 3,722 3.81 % 8.96 % Other consumer 2,765 1.94 % 1.43 % 3,308 3.38 % 1.75 % Other — — % — % 242 0.25 % — % Total $ 142,211 100.00 % 100.00 % $ 97,787 100.00 % 100.00 % As of December 31, 2020 2019 2018 Allowance for Loan Losses Percent of Allowance in Category to Total Allocated Allowance Percent of Loans in Category to Total Loans Allowance for Loan Losses Percent of Allowance in Category to Total Allocated Allowance Percent of Loans in Category to Total Loans Allowance for Loan Losses Percent of Allowance in Category to Total Allocated Allowance Percent of Loans in Category to Total Loans (Dollars in thousands) Commercial and industrial (1) $ 26,617 23.54 % 20.51 % $ 20,919 25.42 % 18.27 % $ 19,321 23.96 % 18.73 % Commercial real estate 54,569 48.28 % 36.73 % 34,730 42.20 % 39.34 % 32,400 40.17 % 36.26 % Commercial construction 4,553 4.03 % 3.14 % 3,424 4.16 % 3.05 % 4,606 5.71 % 3.53 % Business banking (1) 13,152 11.64 % 13.76 % 8,260 10.04 % 8.58 % 8,167 10.13 % 8.37 % Residential real estate 6,435 5.69 % 14.09 % 6,380 7.75 % 15.90 % 7,059 8.75 % 16.16 % Consumer home equity 3,744 3.31 % 8.92 % 4,027 4.89 % 10.38 % 4,113 5.10 % 10.72 % Other consumer 3,467 3.07 % 2.85 % 4,173 5.07 % 4.48 % 4,600 5.70 % 6.23 % Other 494 0.44 % — % 384 0.47 % — % 389 0.48 % — % Total $ 113,031 100.00 % 100.00 % $ 82,297 100.00 % 100.00 % $ 80,655 100.00 % 100.00 % (1) PPP loans are included within these portfolios as of December 31, 2022, December 31, 2021, and December 31, 2020; however, as of each such date, no allowance for loan losses was recorded on these loans due to the SBA guarantee of 100% of the loans.
The following tables sets forth the allocation of the allowance for loan losses by loan categories listed in loan portfolio composition and the related loan balances as a percentage of total loans as of the dates indicated: Summary of Allocation of Allowance for Loan Losses As of December 31, 2023 2022 Allowance for Loan Losses Percent of Allowance in Category to Total Allowance Percent of Loans in Category to Total Loans Allowance for Loan Losses Percent of Allowance in Category to Total Allowance Percent of Loans in Category to Total Loans (Dollars in thousands) Commercial and industrial $ 26,959 18.09 % 21.71 % $ 26,859 18.89 % 23.21 % Commercial real estate 65,475 43.95 % 39.05 % 54,730 38.49 % 37.97 % Commercial construction 6,666 4.47 % 2.77 % 7,085 4.98 % 2.48 % Business banking 14,913 10.01 % 7.77 % 16,189 11.38 % 8.03 % Residential real estate 25,954 17.42 % 18.36 % 28,129 19.78 % 18.13 % Consumer home equity 5,595 3.76 % 8.65 % 6,454 4.54 % 8.75 % Other consumer 3,431 2.30 % 1.69 % 2,765 1.94 % 1.43 % Total $ 148,993 100.00 % 100.00 % $ 142,211 100.00 % 100.00 % As of December 31, 2021 2020 2019 Allowance for Loan Losses Percent of Allowance in Category to Total Allocated Allowance Percent of Loans in Category to Total Loans Allowance for Loan Losses Percent of Allowance in Category to Total Allocated Allowance Percent of Loans in Category to Total Loans Allowance for Loan Losses Percent of Allowance in Category to Total Allocated Allowance Percent of Loans in Category to Total Loans (Dollars in thousands) Commercial and industrial $ 18,018 18.43 % 24.10 % $ 26,617 23.54 % 20.51 % $ 20,919 25.42 % 18.27 % Commercial real estate 52,373 53.56 % 36.82 % 54,569 48.28 % 36.73 % 34,730 42.20 % 39.34 % Commercial construction 2,585 2.64 % 1.81 % 4,553 4.03 % 3.14 % 3,424 4.16 % 3.05 % Business banking 10,983 11.23 % 10.87 % 13,152 11.64 % 13.76 % 8,260 10.04 % 8.58 % Residential real estate 6,556 6.70 % 15.69 % 6,435 5.69 % 14.09 % 6,380 7.75 % 15.90 % Consumer home equity 3,722 3.81 % 8.96 % 3,744 3.31 % 8.92 % 4,027 4.89 % 10.38 % Other consumer 3,308 3.38 % 1.75 % 3,467 3.07 % 2.85 % 4,173 5.07 % 4.48 % Other 242 0.25 % — % 494 0.44 % — % 384 0.47 % — % Total $ 97,787 100.00 % 100.00 % $ 113,031 100.00 % 100.00 % $ 82,297 100.00 % 100.00 % To determine if a loan should be charged-off, all possible sources of repayment are analyzed.
For discussion of our previous methodology for estimating the allowance for loan losses, refer to Note 6, “Loans and Allowance for Loan Losses” within the Notes to the Consolidated Financial Statements included in Part II, Item 8 in this Annual Report on Form 10-K and Note 2, “Summary of Significant Accounting Policies” included in Part II, Item 8 of the 2021 Form 10-K. 73 The following table summarizes credit ratios for the periods presented: Credit Ratios For the Year Ended December 31, 2022 2021 2020 2019 2018 (Dollars in thousands) Net loan charge-offs (recoveries): Commercial and industrial $ (1,053) $ 623 $ 992 $ (2,625) $ 893 Commercial real estate (91) 243 (206) (12) (83) Commercial construction — — — — — Business banking 223 3,567 4,855 5,370 5,970 Residential real estate (94) (87) (125) (39) (125) Consumer home equity (23) (161) 421 153 225 Other consumer 1,625 1,373 2,129 1,811 1,676 Total net loan charge-offs (recoveries) $ 587 $ 5,558 $ 8,066 $ 4,658 $ 8,556 Average loans: Commercial and industrial $ 2,944,064 $ 2,015,665 $ 2,053,093 $ 1,419,875 $ 1,185,224 Commercial real estate 4,886,951 3,960,818 3,654,887 3,667,147 3,402,560 Commercial construction 294,805 191,771 226,286 263,736 327,781 Business banking 1,021,720 1,241,770 1,079,779 738,652 738,122 Residential real estate 2,063,193 1,508,796 1,398,337 1,438,775 1,357,116 Consumer home equity 1,129,757 869,110 902,634 948,089 934,681 Other consumer 197,659 233,932 334,257 471,602 619,406 Average total loans (1) $ 12,538,149 $ 10,021,862 $ 9,649,273 $ 8,947,876 $ 8,564,890 Total net charge-offs (recoveries) to average total loans outstanding during the period Commercial and industrial (0.04) % 0.03 % 0.05 % (0.18) % 0.08 % Commercial real estate 0.00 0.01 (0.01) 0.00 0.00 Commercial construction — — — — — Business banking 0.02 0.29 0.45 0.73 0.81 Residential real estate 0.00 (0.01) (0.01) 0.00 (0.01) Consumer home equity 0.00 (0.02) 0.05 0.02 0.02 Other consumer 0.82 0.59 0.64 0.38 0.27 Total net charge-offs (recoveries) to average total loans outstanding during the period 0.00 % 0.06 % 0.08 % 0.05 % 0.10 % Total loans $ 13,575,531 $ 12,281,510 $ 9,730,525 $ 8,987,046 $ 8,856,003 Total non-accrual loans $ 38,604 $ 32,993 $ 41,005 $ 42,451 $ 26,172 Allowance for loan losses $ 142,211 $ 97,787 $ 113,031 $ 82,297 $ 80,655 Allowance for loan losses as a percent of total loans 1.05 % 0.80 % 1.16 % 0.92 % 0.91 % Non-accrual loans as a percent of total loans 0.28 % 0.27 % 0.42 % 0.47 % 0.30 % Allowance for loan losses as a percent of non-accrual loans 368.38 % 296.39 % 275.65 % 193.86 % 308.17 % (1) Average loan balances exclude loans held for sale.
For additional discussion of the change in allowance for loan losses, refer to the later “ Provision for Loan Losses ,” included in the “Results of Operations” section within this Item 7. 72 The following table summarizes credit ratios for the periods presented: Credit Ratios For the Year Ended December 31, 2023 2022 2021 2020 2019 (Dollars in thousands) Net loan charge-offs (recoveries): Commercial and industrial $ (283) $ (1,053) $ 623 $ 992 $ (2,625) Commercial real estate 7,810 (91) 243 (206) (12) Commercial construction — — — — — Business banking 2,778 223 3,567 4,855 5,370 Residential real estate (97) (94) (87) (125) (39) Consumer home equity (34) (23) (161) 421 153 Other consumer 1,953 1,625 1,373 2,129 1,811 Total net loan charge-offs $ 12,127 $ 587 $ 5,558 $ 8,066 $ 4,658 Average loans: Commercial and industrial $ 3,197,668 $ 2,944,064 $ 2,015,665 $ 2,053,093 $ 1,419,875 Commercial real estate 5,377,304 4,886,951 3,960,818 3,654,887 3,667,147 Commercial construction 357,499 294,805 191,771 226,286 263,736 Business banking 981,496 1,021,720 1,241,770 1,079,779 738,652 Residential real estate 2,536,374 2,063,193 1,508,796 1,398,337 1,438,775 Consumer home equity 1,193,270 1,129,757 869,110 902,634 948,089 Other consumer 188,476 197,659 233,932 334,257 471,602 Average total loans (1) $ 13,832,087 $ 12,538,149 $ 10,021,862 $ 9,649,273 $ 8,947,876 Total net charge-offs (recoveries) to average total loans outstanding during the period Commercial and industrial (0.01) % (0.04) % 0.03 % 0.05 % (0.18) % Commercial real estate 0.15 0.00 0.01 (0.01) 0.00 Commercial construction — — — — — Business banking 0.28 0.02 0.29 0.45 0.73 Residential real estate 0.00 0.00 (0.01) (0.01) 0.00 Consumer home equity 0.00 0.00 (0.02) 0.05 0.02 Other consumer 1.04 0.82 0.59 0.64 0.38 Total net charge-offs to average total loans outstanding during the period 0.09 % 0.00 % 0.06 % 0.08 % 0.05 % Total loans $ 13,973,428 $ 13,575,531 $ 12,281,510 $ 9,730,525 $ 8,987,046 Total non-accrual loans $ 52,557 $ 38,604 $ 32,993 $ 41,005 $ 42,451 Allowance for loan losses $ 148,993 $ 142,211 $ 97,787 $ 113,031 $ 82,297 Allowance for loan losses as a percent of total loans 1.07 % 1.05 % 0.80 % 1.16 % 0.92 % Non-accrual loans as a percent of total loans 0.38 % 0.28 % 0.27 % 0.42 % 0.47 % Allowance for loan losses as a percent of non-accrual loans 283.49 % 368.38 % 296.39 % 275.65 % 193.86 % (1) Average loan balances exclude loans held for sale. 73 Non-accrual loans increased $14.0 million, or 36%, to $52.6 million at December 31, 2023 from $38.6 million at December 31, 2022, primarily due to an increase in commercial real estate non-accrual loans of $30.1 million partially offset by a decrease in commercial and industrial non-accrual loans of $13.5 million.
Treasury securities 93,057 88,605 State and municipal bonds and obligations 183,092 280,329 Small business administration pooled securities — 32,103 Other debt securities 1,285 1,597 Total available for sale securities, at fair value 6,690,778 8,511,224 Held to maturity securities, at amortized cost: Government-sponsored residential mortgage-backed securities 276,493 — Government-sponsored commercial mortgage-backed securities 200,154 — Total held to maturity securities, at amortized cost 476,647 — Total $ 7,167,425 $ 8,511,224 Our securities portfolio has decreased $1.3 billion, or 15.8%, to $7.2 billion at December 31, 2022 from $8.5 billion at December 31, 2021.
Treasury securities 95,152 93,057 State and municipal bonds and obligations 191,344 183,092 Other debt securities — 1,285 Total available for sale securities, at fair value 4,407,521 6,690,778 Held to maturity securities, at amortized cost: Government-sponsored residential mortgage-backed securities 254,752 276,493 Government-sponsored commercial mortgage-backed securities 194,969 200,154 Total held to maturity securities, at amortized cost 449,721 476,647 Total $ 4,857,242 $ 7,167,425 Our securities portfolio has decreased $2.3 billion, or 32.2%, to $4.9 billion at December 31, 2023 from $7.2 billion at December 31, 2022.
The yields set forth below include the effect of deferred fees, discounts and premiums that are amortized or accreted to interest income or expense. 80 Average Balances, Interest Earned/Paid, & Average Yields/Costs As of and for the Year Ended December 31, 2022 2021 2020 Average Outstanding Balance Interest Average Yield /Cost Average Outstanding Balance Interest Average Yield /Cost Average Outstanding Balance Interest Average Yield /Cost (Dollars in thousands) Interest-earning assets: Loans (1): Residential $ 2,064,609 $ 63,803 3.09 % $ 1,510,703 $ 47,143 3.12 % $ 1,400,907 $ 49,767 3.55 % Commercial 9,147,540 366,097 4.00 % 7,410,024 288,557 3.89 % 7,014,044 281,816 4.02 % Consumer 1,327,417 56,965 4.29 % 1,103,042 36,019 3.27 % 1,236,893 43,729 3.54 % Total loans 12,539,566 486,865 3.88 % 10,023,769 371,719 3.71 % 9,651,844 375,312 3.89 % Non-taxable investment securities 253,651 9,091 3.58 % 260,399 9,335 3.58 % 265,511 9,899 3.73 % Taxable investment securities 8,413,217 118,690 1.41 % 4,890,737 58,312 1.19 % 1,560,610 31,831 2.04 % Other short-term investments 420,834 3,271 0.78 % 1,514,351 1,886 0.12 % 1,288,714 1,758 0.14 % Total interest-earning assets 21,627,268 617,917 2.86 % 16,689,256 441,252 2.64 % 12,766,679 418,800 3.28 % Non-interest-earning assets 986,865 1,173,830 1,097,064 Total assets $ 22,614,133 $ 17,863,086 $ 13,863,743 Interest-bearing liabilities: Deposits: Savings accounts $ 2,015,651 $ 209 0.01 % $ 1,483,271 $ 230 0.02 % $ 1,123,584 $ 242 0.02 % Interest checking accounts 4,890,709 11,675 0.24 % 2,866,091 1,997 0.07 % 2,227,185 2,033 0.09 % Money market investments 5,057,445 13,479 0.27 % 3,870,712 2,342 0.06 % 3,212,752 7,492 0.23 % Time accounts 463,261 3,258 0.70 % 280,141 598 0.21 % 300,381 1,548 0.52 % Total interest-bearing deposits 12,427,066 28,621 0.23 % 8,500,215 5,167 0.06 % 6,863,902 11,315 0.16 % Federal funds purchased (7) 964 24 2.49 % — — — % 45,204 570 1.26 % Other borrowings 255,668 8,482 3.32 % 26,495 165 0.62 % 26,897 192 0.71 % Total interest-bearing liabilities 12,683,698 37,127 0.29 % 8,526,710 5,332 0.06 % 6,936,003 12,077 0.17 % Demand accounts 6,647,518 5,547,615 4,535,066 Other noninterest-bearing liabilities 451,384 364,191 352,518 Total liabilities 19,782,600 14,438,516 11,823,587 Shareholders’ equity 2,831,533 3,424,570 2,040,156 Total liabilities and shareholders’ equity $ 22,614,133 $ 17,863,086 $ 13,863,743 Net interest income - FTE $ 580,790 $ 435,920 $ 406,723 Net interest rate spread (2) 2.57 % 2.58 % 3.11 % Net interest-earning assets (3) $ 8,943,570 $ 8,162,546 $ 5,830,676 Net interest margin - FTE (4) 2.69 % 2.61 % 3.19 % Average interest-earning assets to interest-bearing liabilities 170.51 % 195.73 % 184.06 % Return on average assets (5) 0.88 % 0.87 % 0.16 % Return on average equity (6) 7.05 % 4.52 % 1.11 % Noninterest expenses to average assets 2.08 % 2.49 % 3.64 % (1) Non-accrual loans are included in Loans.
Average asset and liability balances included in discontinued operations are included in non-interest-earnings assets and liabilities, respectively. 79 Average Balances, Interest Earned/Paid, & Average Yields/Costs As of and for the Year Ended December 31, 2023 2022 2021 Average Outstanding Balance Interest Average Yield /Cost Average Outstanding Balance Interest Average Yield /Cost Average Outstanding Balance Interest Average Yield /Cost (Dollars in thousands) Interest-earning assets: Loans (1): Residential $ 2,538,588 $ 90,139 3.55 % $ 2,064,609 $ 63,803 3.09 % $ 1,510,703 $ 47,143 3.12 % Commercial 9,913,968 491,427 4.96 % 9,147,540 366,097 4.00 % 7,410,024 288,557 3.89 % Consumer 1,381,745 86,167 6.24 % 1,327,417 56,965 4.29 % 1,103,042 36,019 3.27 % Total loans 13,834,301 667,733 4.83 % 12,539,566 486,865 3.88 % 10,023,769 371,719 3.71 % Non-taxable investment securities 197,682 7,279 3.68 % 253,651 9,091 3.58 % 260,399 9,335 3.58 % Taxable investment securities 6,050,024 101,233 1.67 % 8,413,217 118,690 1.41 % 4,890,737 58,312 1.19 % Other short-term investments 720,864 37,395 5.19 % 420,834 3,271 0.78 % 1,514,351 1,886 0.12 % Total interest-earning assets 20,802,871 813,640 3.91 % 21,627,268 617,917 2.86 % 16,689,256 441,252 2.64 % Non-interest-earning assets 921,622 986,865 1,173,830 Total assets $ 21,724,493 $ 22,614,133 $ 17,863,086 Interest-bearing liabilities: Deposits: Savings accounts $ 1,515,713 $ 217 0.01 % $ 2,015,651 $ 209 0.01 % $ 1,483,271 $ 230 0.02 % Interest checking accounts 4,070,585 24,235 0.60 % 4,890,709 11,675 0.24 % 2,866,091 1,997 0.07 % Money market investments 4,918,343 104,002 2.11 % 5,057,445 13,479 0.27 % 3,870,712 2,342 0.06 % Time accounts 2,303,520 97,621 4.24 % 463,261 3,258 0.70 % 280,141 598 0.21 % Total interest-bearing deposits 12,808,161 226,075 1.77 % 12,427,066 28,621 0.23 % 8,500,215 5,167 0.06 % Federal funds purchased 8 — — % 964 24 2.49 % — — — % Other borrowings 418,876 19,975 4.77 % 255,668 8,482 3.32 % 26,495 165 0.62 % Total interest-bearing liabilities 13,227,045 246,050 1.86 % 12,683,698 37,127 0.29 % 8,526,710 5,332 0.06 % Demand accounts 5,404,208 6,647,518 5,547,615 Other noninterest-bearing liabilities 522,239 451,384 364,191 Total liabilities 19,153,492 19,782,600 14,438,516 Shareholders’ equity 2,571,001 2,831,533 3,424,570 Total liabilities and shareholders’ equity $ 21,724,493 $ 22,614,133 $ 17,863,086 Net interest income - FTE $ 567,590 $ 580,790 $ 435,920 Net interest rate spread (2) 2.05 % 2.57 % 2.58 % Net interest-earning assets (3) $ 7,575,826 $ 8,943,570 $ 8,162,546 Net interest margin - FTE (4) 2.73 % 2.69 % 2.61 % Average interest-earning assets to interest-bearing liabilities 157.28 % 170.51 % 195.73 % Return on average assets (5) 1.07 % 0.88 % 0.87 % Return on average equity (6) 9.03 % 7.05 % 4.52 % Noninterest expenses to average assets (7) 2.35 % 2.08 % 2.49 % (1) Non-accrual loans are included in loans.