Biggest changeDISTRIBUTION OF ASSETS, LIABILITIES AND STOCKHOLDERS’ EQUITY; INTEREST RATES AND INTEREST DIFFERENTIAL The daily average balance sheet amounts, the related interest income or interest expense, and average rates earned or paid are presented in the following table: Average Balance Interest Income / Expense Average Rate Average Balance Interest Income / Expense Average Rate Average Balance Interest Income / Expense Average Rate (Dollars in Thousands) 2022 2021 2020 Assets: Interest-bearing deposits $ 296,863 $ 2,503 0.84 % $ 521,637 $ 634 0.12 % $ 319,686 $ 938 0.29 % Federal Home Loan Bank stock 35,580 1,176 3.31 28,736 597 2.08 28,736 1,042 3.63 Investment Securities: (1) Taxable 2,056,586 38,354 1.86 1,751,910 29,951 1.71 1,282,827 24,440 1.91 Tax-exempt (2) 2,653,611 85,292 3.21 2,106,180 70,039 3.33 1,440,913 53,596 3.72 Total investment securities 4,710,197 123,646 2.63 3,858,090 99,990 2.59 2,723,740 78,036 2.87 Loans held for sale 14,715 692 4.70 19,190 747 3.89 18,559 781 4.21 Loans: (3) Commercial (6) 7,877,271 380,621 4.83 6,818,968 276,368 4.05 6,755,215 286,773 4.25 Real estate mortgage 1,471,802 51,853 3.52 916,314 34,783 3.80 889,083 40,002 4.50 Installment 785,520 37,302 4.75 683,925 26,111 3.82 718,815 30,708 4.27 Tax-exempt (2) 793,743 31,803 4.01 732,253 27,987 3.82 669,483 27,194 4.06 Total loans 10,943,051 502,271 4.59 9,170,650 365,996 3.99 9,051,155 385,458 4.26 Total earning assets 15,985,691 629,596 3.94 % 13,579,113 467,217 3.44 % 12,123,317 465,474 3.84 % Total non-earning assets 1,234,311 1,251,284 1,342,952 Total Assets $ 17,220,002 $ 14,830,397 $ 13,466,269 Liabilities: Interest-bearing deposits: Interest-bearing deposit accounts $ 5,206,131 $ 32,511 0.62 % $ 4,769,482 $ 14,512 0.30 % $ 4,009,566 $ 20,239 0.50 % Money market deposit accounts 2,915,397 19,170 0.66 2,351,803 3,203 0.14 1,769,478 7,810 0.44 Savings deposits 1,927,122 5,019 0.26 1,754,972 1,886 0.11 1,534,069 3,641 0.24 Certificates and other time deposits 881,176 6,239 0.71 783,733 3,718 0.47 1,346,967 20,050 1.49 Total interest-bearing deposits 10,929,826 62,939 0.58 9,659,990 23,319 0.24 8,660,080 51,740 0.60 Borrowings 888,392 21,864 2.46 639,791 12,633 1.97 768,238 14,641 1.91 Total interest-bearing liabilities 11,818,218 84,803 0.72 10,299,781 35,952 0.35 9,428,318 66,381 0.70 Noninterest-bearing deposits 3,268,417 2,516,241 2,068,026 Other liabilities 160,922 147,743 144,790 Total Liabilities 15,247,557 12,963,765 11,641,134 Stockholders' Equity 1,972,445 1,866,632 1,825,135 Total Liabilities and Stockholders' Equity $ 17,220,002 84,803 $ 14,830,397 35,952 $ 13,466,269 66,381 Net Interest Income (FTE) $ 544,793 $ 431,265 $ 399,093 Net Interest Spread (FTE) (4) 3.22 % 3.09 % 3.14 % Net Interest Margin (FTE): Interest Income (FTE) / Average Earning Assets 3.94 % 3.44 % 3.84 % Interest Expense / Average Earning Assets 0.53 % 0.26 % 0.55 % Net Interest Margin (FTE) (5) 3.41 % 3.18 % 3.29 % ______________________________ (1) Average balance of securities is computed based on the average of the historical amortized cost balances without the effects of the fair value adjustment.
Biggest changeDISTRIBUTION OF ASSETS, LIABILITIES AND STOCKHOLDERS’ EQUITY; INTEREST RATES AND INTEREST DIFFERENTIAL The daily average balance sheet amounts, the related interest income or interest expense, and average rates earned or paid are presented in the following table: Average Balance Interest Income / Expense Average Rate Average Balance Interest Income / Expense Average Rate Average Balance Interest Income / Expense Average Rate (Dollars in Thousands) 2023 2022 2021 Assets: Interest-bearing deposits $ 431,581 $ 17,719 4.11 % $ 296,863 $ 2,503 0.84 % $ 521,637 $ 634 0.12 % Federal Home Loan Bank stock 41,319 3,052 7.39 35,580 1,176 3.31 28,736 597 2.08 Investment securities: (1) Taxable 1,854,438 35,207 1.90 2,056,586 38,354 1.86 1,751,910 29,951 1.71 Tax-exempt (2) 2,366,475 73,566 3.11 2,653,611 85,292 3.21 2,106,180 70,039 3.33 Total Investment Securities 4,220,913 108,773 2.58 4,710,197 123,646 2.63 3,858,090 99,990 2.59 Loans held for sale 21,766 1,292 5.94 14,715 692 4.70 19,190 747 3.89 Loans: (3) Commercial (6) 8,519,706 603,611 7.08 7,877,271 380,621 4.83 6,818,968 276,368 4.05 Real estate mortgage 2,035,488 82,183 4.04 1,471,802 51,853 3.52 916,314 34,783 3.80 Installment 830,006 60,751 7.32 785,520 37,302 4.75 683,925 26,111 3.82 Tax-exempt (2) 891,008 40,448 4.54 793,743 31,803 4.01 732,253 27,987 3.82 Total Loans 12,297,974 788,285 6.41 10,943,051 502,271 4.59 9,170,650 365,996 3.99 Total Earning Assets 16,991,787 917,829 5.40 % 15,985,691 629,596 3.94 % 13,579,113 467,217 3.44 % Total Non-earning Assets 1,194,720 1,234,311 1,251,284 Total Assets $ 18,186,507 $ 17,220,002 $ 14,830,397 Liabilities: Interest-bearing deposits: Interest-bearing deposits $ 5,435,733 $ 138,012 2.54 % $ 5,206,131 $ 32,511 0.62 % $ 4,769,482 $ 14,512 0.30 % Money market deposits 2,884,271 83,777 2.90 2,915,397 19,170 0.66 2,351,803 3,203 0.14 Savings deposits 1,694,230 14,606 0.86 1,927,122 5,019 0.26 1,754,972 1,886 0.11 Certificates and other time deposits 1,923,268 69,697 3.62 881,176 6,239 0.71 783,733 3,718 0.47 Total Interest-bearing Deposits 11,937,502 306,092 2.56 10,929,826 62,939 0.58 9,659,990 23,319 0.24 Borrowings 1,111,472 42,394 3.81 888,392 21,864 2.46 639,791 12,633 1.97 Total Interest-bearing Liabilities 13,048,974 348,486 2.67 11,818,218 84,803 0.72 10,299,781 35,952 0.35 Noninterest-bearing deposits 2,783,996 3,268,417 2,516,241 Other liabilities 226,275 160,922 147,743 Total Liabilities 16,059,245 15,247,557 12,963,765 Stockholders' Equity 2,127,262 1,972,445 1,866,632 Total Liabilities and Stockholders' Equity $ 18,186,507 348,486 $ 17,220,002 84,803 $ 14,830,397 35,952 Net Interest Income (FTE) $ 569,343 $ 544,793 $ 431,265 Net Interest Spread (FTE) (4) 2.73 % 3.22 % 3.09 % Net Interest Margin (FTE): Interest Income (FTE) / Average Earning Assets 5.40 % 3.94 % 3.44 % Interest Expense / Average Earning Assets 2.05 % 0.53 % 0.26 % Net Interest Margin (FTE) (5) 3.35 % 3.41 % 3.18 % ______________________________ (1) Average balance of securities is computed based on the average of the historical amortized cost balances without the effects of the fair value adjustments.
BUSINESS ALLOCATION OF THE ALLOWANCE FOR CREDIT LOSSES Presented below is an analysis of the composition of the allowance for credit losses and percent of loans in each category to total loans, by collateral segment, as of the years indicated. 2022 2021 2020 2019 2018 (Dollars in Thousands) Amount Percent Amount Percent Amount Percent Amount Percent Amount Percent Balance at December 31: Commercial $ 102,216 38.4 % $ 69,935 40.8 % $ 47,115 37.9 % $ 32,902 32.5 % $ 32,657 31.1 % Commercial real estate 46,839 30.4 % 60,665 33.8 % 51,070 41.8 % 28,778 45.4 % 29,609 46.8 % Construction 28,955 7.0 % 20,206 5.6 % — — % — — % — — % Consumer — — % — — % 9,648 1.4 % 4,035 1.6 % 3,964 1.4 % Residential — — % — — % 22,815 18.9 % 14,569 20.5 % 14,322 20.7 % Consumer & Residential 45,267 24.2 % 44,591 19.8 % — — % — — % — — % Totals $ 223,277 100.0 % $ 195,397 100.0 % $ 130,648 100.0 % $ 80,284 100.0 % $ 80,552 100.0 % The allowance for credit losses increased $27.9 million during the twelve months ended December 31, 2022.
BUSINESS ALLOCATION OF THE ALLOWANCE FOR CREDIT LOSSES Presented below is an analysis of the composition of the allowance for credit losses and percent of loans in each category to total loans, by collateral segment, as of the years indicated. 2023 2022 2021 2020 2019 (Dollars in Thousands) Amount Percent Amount Percent Amount Percent Amount Percent Amount Percent Balance at December 31: Commercial $ 97,348 39.2 % $ 102,216 38.4 % $ 69,935 40.8 % $ 47,115 37.9 % $ 32,902 32.5 % Commercial real estate 44,048 28.5 % 46,839 30.4 % 60,665 33.8 % 51,070 41.8 % 28,778 45.4 % Construction 24,823 7.7 % 28,955 7.0 % 20,206 5.6 % — — % — — % Consumer — — % — — % — — % 9,648 1.4 % 4,035 1.6 % Residential — — % — — % — — % 22,815 18.9 % 14,569 20.5 % Consumer & Residential 38,715 24.6 % 45,267 24.2 % 44,591 19.8 % — — % — — % Totals $ 204,934 100.0 % $ 223,277 100.0 % $ 195,397 100.0 % $ 130,648 100.0 % $ 80,284 100.0 % The allowance for credit losses decreased $18.3 million during the twelve months ended December 31, 2023.
SUMMARY OF CREDIT LOSS EXPERIENCE The following table summarizes the credit loss experience, by collateral segment, for the years indicated: (Dollars in Thousands) 2022 2021 2020 2019 2018 Allowance for credit losses: Balances, January 1 $ 195,397 $ 130,648 $ 80,284 $ 80,552 $ 75,032 Impact of adopting ASC 326 74,055 — — — Balances, January 1, 2021 Post-ASC 326 adoption 195,397 204,703 80,284 80,552 75,032 Charge-offs: Commercial (1) (1,215) (5,849) (8,536) (1,732) (2,316) Commercial real estate (2) (3,017) (4,533) (313) (3,675) (2,741) Construction — (6) — — — Consumer — — (643) (569) (749) Residential — — (993) (645) (2,177) Consumer & Residential (2,369) (1,496) — — — Total Charge-offs (6,601) (11,884) (10,485) (6,621) (7,983) Recoveries: Commercial (1) 872 724 819 1,244 2,456 Commercial real estate (2) 1,096 580 431 1,289 2,525 Construction 863 1 — — — Consumer — — 260 401 302 Residential — — 666 619 993 Consumer & Residential 1,096 1,273 — — — Total Recoveries 3,927 2,578 2,176 3,553 6,276 Net Charge-offs (2,674) (9,306) (8,309) (3,068) (1,707) Provisions for credit losses — — 58,673 2,800 7,227 CECL Day 1 non-PCD provision for credit losses 13,955 — — — — CECL Day 1 PCD ACL 16,599 — — — — Balance at December 31 $ 223,277 $ 195,397 $ 130,648 $ 80,284 $ 80,552 Ratio of net charge-offs during the period to average loans outstanding during the period 0.02 % 0.10 % 0.09 % 0.04 % 0.02 % (1) Category includes commercial and industrial, agricultural land, production and other loans to farmers, and other commercial loans.
SUMMARY OF CREDIT LOSS EXPERIENCE The following table summarizes the credit loss experience, by collateral segment, for the years indicated: (Dollars in Thousands) 2023 2022 2021 2020 2019 Allowance for credit losses: Balances, January 1 $ 223,277 $ 195,397 $ 130,648 $ 80,284 $ 80,552 Impact of adopting ASC 326 — — 74,055 — — Balances, January 1, 2021 Post-ASC 326 adoption 223,277 195,397 204,703 80,284 80,552 Charge-offs: Commercial (1) (23,264) (1,215) (5,849) (8,536) (1,732) Commercial real estate (2) (116) (3,017) (4,533) (313) (3,675) Construction — — (6) — — Consumer — — — (643) (569) Residential — — — (993) (645) Consumer & Residential (4,659) (2,369) (1,496) — — Total Charge-offs (28,039) (6,601) (11,884) (10,485) (6,621) Recoveries: Commercial (1) 995 872 724 819 1,244 Commercial real estate (2) 60 1,096 580 431 1,289 Construction — 863 1 — — Consumer — — — 260 401 Residential — — — 666 619 Consumer & Residential 1,341 1,096 1,273 — — Total Recoveries 2,396 3,927 2,578 2,176 3,553 Net Charge-offs (25,643) (2,674) (9,306) (8,309) (3,068) Provisions for credit losses - loans 7,300 — — 58,673 2,800 CECL Day 1 non-PCD provision for credit losses — 13,955 — — — CECL Day 1 PCD ACL — 16,599 — — — Balance at December 31 $ 204,934 $ 223,277 $ 195,397 $ 130,648 $ 80,284 Ratio of net charge-offs during the period to average loans outstanding during the period 0.21 % 0.02 % 0.10 % 0.09 % 0.04 % (1) Category includes commercial and industrial, agricultural land, production and other loans to farmers, and other commercial loans.
BUSINESS SHORT-TERM BORROWINGS Borrowings maturing in one year or less are included in the following table: (Dollars in Thousands) 2022 2021 2020 Balance at December 31: Federal funds purchased $ 171,560 $ — $ — Securities sold under repurchase agreements (short-term portion) 167,413 181,577 177,102 Federal Home Loan Bank advances (short-term portion) 460,097 75,097 55,097 Subordinated debentures and other borrowings (short-term portion) $ 1,182 $ — $ — Total short-term borrowings $ 800,252 $ 256,674 $ 232,199 Securities sold under repurchase agreements are categorized as borrowings maturing within one year and are secured by U.S.
BUSINESS SHORT-TERM BORROWINGS Borrowings maturing in one year or less are included in the following table: (Dollars in Thousands) 2023 2022 2021 Balance at December 31: Federal funds purchased $ — $ 171,560 $ — Securities sold under repurchase agreements (short-term portion) 157,280 167,413 181,577 Federal Home Loan Bank advances (short-term portion) 60,000 460,097 75,097 Subordinated debentures and other borrowings (short-term portion) $ 1,176 $ 1,182 $ — Total short-term borrowings $ 218,456 $ 800,252 $ 256,674 Securities sold under repurchase agreements are categorized as borrowings maturing within one year and are secured by U.S.
The following table shows the composition of the Corporation’s loan portfolio by collateral classification, including purchased credit deteriorated loans, for the years indicated: 2022 2021 2020 2019 2018 (Dollars in Thousands) Amount % Amount % Amount % Amount % Amount % Loans at December 31: Commercial and industrial loans $ 3,437,126 28.6 % $ 2,714,565 29.4 % $ 2,776,699 30.0 % $ 2,109,879 24.9 % $ 1,726,664 23.9 % Agricultural land, production and other loans to farmers 241,793 2.0 246,442 2.7 281,884 3.0 334,172 4.0 334,325 4.6 Real estate loans: Construction 835,582 6.9 523,066 5.7 484,723 5.2 787,568 9.3 545,729 7.5 Commercial real estate, non-owner occupied 2,407,475 20.1 2,135,459 23.1 2,220,949 24.0 1,902,692 22.4 1,865,544 25.9 Commercial real estate, owner occupied 1,246,528 10.4 986,720 10.7 958,501 10.4 909,695 10.8 724,637 10.0 Residential 2,096,655 17.5 1,159,127 12.5 1,234,741 13.4 1,143,217 13.5 966,421 13.4 Home equity 630,632 5.3 523,754 5.7 508,259 5.5 588,984 7.0 528,157 7.3 Individuals' loans for household and other personal expenditures 175,211 1.4 146,092 1.5 129,479 1.5 135,989 1.6 99,788 1.4 Public finance and other commercial loans 932,892 7.8 806,636 8.7 647,939 7.0 547,114 6.5 433,202 6.0 Loans 12,003,894 100.0 % 9,241,861 100.0 % 9,243,174 100.0 % 8,459,310 100.0 % 7,224,467 100.0 % Allowance for loan/credit losses (223,277) (195,397) (130,648) (80,284) (80,552) Net Loans $ 11,780,617 $ 9,046,464 $ 9,112,526 $ 8,379,026 $ 7,143,915 As of December 31, 2022, the Corporation had $4.7 million of Paycheck Protection Program ("PPP") loans compared to the December 31, 2021 and 2020 balances of $106.6 million and $667.1 million, respectively.
The following table shows the composition of the Corporation’s loan portfolio by collateral classification, including purchased credit deteriorated loans, for the years indicated: 2023 2022 2021 2020 2019 (Dollars in Thousands) Amount % Amount % Amount % Amount % Amount % Loans at December 31: Commercial and industrial loans (1) $ 3,670,948 29.4 % $ 3,437,126 28.6 % $ 2,714,565 29.4 % $ 2,776,699 30.0 % $ 2,109,879 24.9 % Agricultural land, production and other loans to farmers 263,414 2.1 241,793 2.0 246,442 2.7 281,884 3.0 334,172 4.0 Real estate loans: Construction 957,545 7.7 835,582 6.9 523,066 5.7 484,723 5.2 787,568 9.3 Commercial real estate, non-owner occupied 2,400,839 19.2 2,407,475 20.1 2,135,459 23.1 2,220,949 24.0 1,902,692 22.4 Commercial real estate, owner occupied 1,162,083 9.3 1,246,528 10.4 986,720 10.7 958,501 10.4 909,695 10.8 Residential 2,288,921 18.4 2,096,655 17.5 1,159,127 12.5 1,234,741 13.4 1,143,217 13.5 Home equity 617,571 4.9 630,632 5.3 523,754 5.7 508,259 5.5 588,984 7.0 Individuals' loans for household and other personal expenditures 168,388 1.3 175,211 1.4 146,092 1.5 129,479 1.5 135,989 1.6 Public finance and other commercial loans 956,318 7.7 932,892 7.8 806,636 8.7 647,939 7.0 547,114 6.5 Loans 12,486,027 100.0 % 12,003,894 100.0 % 9,241,861 100.0 % 9,243,174 100.0 % 8,459,310 100.0 % Allowance for loan/credit losses (204,934) (223,277) (195,397) (130,648) (80,284) Net Loans $ 12,281,093 $ 11,780,617 $ 9,046,464 $ 9,112,526 $ 8,379,026 (1) Includes PPP loans of $2.7 million in 2023, $4.7 million in 2022, $106.6 million in 2021, and $667.1 million in 2020.
Government-sponsored agency securities 119,154 — 17,192 101,962 State and municipal 1,530,048 438 178,726 1,351,760 U.S. Government-sponsored mortgage-backed securities 608,630 1 100,358 508,273 Corporate obligations 13,014 — 807 12,207 Total available for sale $ 2,273,347 $ 439 $ 297,125 $ 1,976,661 Amortized Cost Gross Unrealized Gains Gross Unrealized Losses Fair Value Available for sale at December 31, 2021 U.S.
Government-sponsored agency securities 119,154 — 17,192 101,962 State and municipal 1,530,048 438 178,726 1,351,760 U.S. Government-sponsored mortgage-backed securities 608,630 1 100,358 508,273 Corporate obligations 13,014 — 807 12,207 Total available for sale $ 2,273,347 $ 439 $ 297,125 $ 1,976,661 15 PART I: ITEM 1.
Pertinent information with respect to borrowings maturing in one year or less is summarized below: (Dollars in Thousands) 2022 2021 2020 Weighted Average Interest Rate on Outstanding Balance at December 31: Federal funds purchased 3.5 % 1.4 % 0.3 % Securities sold under repurchase agreements (short-term portion) 1.3 % 0.2 % 0.2 % Federal Home Loan Bank advances (short-term portion) 2.4 % 2.1 % 1.8 % Subordinated debentures and other borrowings (short-term portion) 1.0 % — % — % Total short-term borrowings 2.4 % 0.7 % 0.6 % Weighted Average Interest Rate During the Year: Federal funds purchased 3.0 % 0.8 % 0.9 % Securities sold under repurchase agreements (short-term portion) 0.6 % 0.2 % 0.3 % Federal Home Loan Bank advances (short-term portion) 2.5 % 2.0 % 1.9 % Subordinated debentures and other borrowings (short-term portion) 0.7 % — % — % Total short-term borrowings 1.8 % 0.7 % 0.8 % Highest Amount Outstanding at Any Month End During the Year: Federal funds purchased $ 240,406 $ — $ 80,000 Securities sold under repurchase agreements (short-term portion) 218,882 199,104 197,928 Federal Home Loan Bank advances (short-term portion) 460,000 75,000 131,300 Subordinated debentures and other borrowings (short-term portion) $ 1,230 $ — $ — Total short-term borrowings $ 920,518 $ 274,104 $ 409,228 Average Amount Outstanding During the year: Federal funds purchased $ 44,041 $ 617 $ 13,126 Securities sold under repurchase agreements (short-term portion) 185,082 173,839 180,740 Federal Home Loan Bank advances (short-term portion) 265,822 64,356 67,408 Subordinated debentures and other borrowings (short-term portion) $ 1,212 $ — $ — Total short-term borrowings $ 496,157 $ 238,812 $ 261,274 22 PART I: ITEM 1A.
Pertinent information with respect to borrowings maturing in one year or less is summarized below: (Dollars in Thousands) 2023 2022 2021 Weighted Average Interest Rate on Outstanding Balance at December 31: Federal funds purchased — % 3.5 % 1.4 % Securities sold under repurchase agreements (short-term portion) 2.3 % 1.3 % 0.2 % Federal Home Loan Bank advances (short-term portion) 2.8 % 2.4 % 2.1 % Subordinated debentures and other borrowings (short-term portion) 1.0 % 1.0 % — % Total short-term borrowings 2.4 % 2.4 % 0.7 % Weighted Average Interest Rate During the Year: Federal funds purchased 5.2 % 3.0 % 0.8 % Securities sold under repurchase agreements (short-term portion) 2.0 % 0.6 % 0.2 % Federal Home Loan Bank advances (short-term portion) 3.4 % 2.5 % 2.0 % Subordinated debentures and other borrowings (short-term portion) 0.8 % 0.7 % — % Total short-term borrowings 2.9 % 1.8 % 0.7 % Highest Amount Outstanding at Any Month End During the Year: Federal funds purchased $ 188,329 $ 240,406 $ — Securities sold under repurchase agreements (short-term portion) 242,194 218,882 199,104 Federal Home Loan Bank advances (short-term portion) 410,000 460,000 75,000 Subordinated debentures and other borrowings (short-term portion) $ 1,182 $ 1,230 $ — Total short-term borrowings $ 841,705 $ 920,518 $ 274,104 Average Amount Outstanding During the year: Federal funds purchased $ 27,115 $ 44,041 $ 617 Securities sold under repurchase agreements (short-term portion) 171,291 185,082 173,839 Federal Home Loan Bank advances (short-term portion) 208,251 265,822 64,356 Subordinated debentures and other borrowings (short-term portion) $ 1,178 $ 1,212 $ — Total short-term borrowings $ 407,835 $ 496,157 $ 238,812
Volume and rate variances have been allocated on the basis of the absolute relationship between volume variances and rate variances. 2022 Compared to 2021 Increase (Decrease) Due To 2021 Compared to 2020 Increase (Decrease) Due To 2020 Compared to 2019 Increase (Decrease) Due To (Dollars in Thousands, Fully Taxable Equivalent Basis) Volume Rate Total Volume Rate Total Volume Rate Total Interest Income: Interest-bearing deposits $ (383) $ 2,252 $ 1,869 $ 412 $ (716) $ (304) $ 1,467 $ (4,754) $ (3,287) Federal Home Loan Bank stock 166 413 579 — (445) (445) 151 (479) (328) Investment securities 22,353 1,303 23,656 29,977 (8,023) 21,954 18,895 (8,744) 10,151 Loans held for sale (193) 138 (55) 26 (60) (34) 7 (6) 1 Loans 76,919 59,411 136,330 4,223 (23,651) (19,428) 65,095 (84,648) (19,553) Totals 98,862 63,517 162,379 34,638 (32,895) 1,743 85,615 (98,631) (13,016) Interest Expense: Interest-bearing deposit accounts 1,440 16,559 17,999 3,344 (9,071) (5,727) 8,341 (22,023) (13,682) Money market deposit accounts 941 15,026 15,967 1,997 (6,604) (4,607) 3,951 (10,252) (6,301) Savings deposits 202 2,931 3,133 465 (2,220) (1,755) 1,832 (7,655) (5,823) Certificates and other time deposits 508 2,013 2,521 (6,211) (10,121) (16,332) (5,896) (8,143) (14,039) Borrowings 5,649 3,582 9,231 (2,521) 513 (2,008) 2,911 (5,430) (2,519) Totals 8,740 40,111 48,851 (2,926) (27,503) (30,429) 11,139 (53,503) (42,364) Change in net interest income (fully taxable equivalent basis) $ 90,122 $ 23,406 113,528 $ 37,564 $ (5,392) 32,172 $ 74,476 $ (45,128) 29,348 Tax equivalent adjustment using marginal rate of 21% for 2022, 2021 and 2020 (4,005) (3,619) (3,881) Change in net interest income $ 109,523 $ 28,553 $ 25,467 INVESTMENT SECURITIES In determining the fair value of the investment securities portfolio, the Corporation utilizes a third party for portfolio accounting services, including market value input, for those securities classified as Level 1 and Level 2 in the fair value hierarchy.
Volume and rate variances have been allocated on the basis of the absolute relationship between volume variances and rate variances. 2023 Compared to 2022 Increase (Decrease) Due To 2022 Compared to 2021 Increase (Decrease) Due To 2021 Compared to 2020 Increase (Decrease) Due To (Dollars in Thousands, Fully Taxable Equivalent Basis) Volume Rate Total Volume Rate Total Volume Rate Total Interest Income: Interest-bearing deposits $ 1,597 $ 13,619 $ 15,216 $ (383) $ 2,252 $ 1,869 $ 412 $ (716) $ (304) Federal Home Loan Bank stock 217 1,659 1,876 166 413 579 — (445) (445) Investment securities (12,644) (2,229) (14,873) 22,353 1,303 23,656 29,977 (8,023) 21,954 Loans held for sale 388 212 600 (193) 138 (55) 26 (60) (34) Loans 67,684 217,730 285,414 76,919 59,411 136,330 4,223 (23,651) (19,428) Totals 57,242 230,991 288,233 98,862 63,517 162,379 34,638 (32,895) 1,743 Interest Expense: Interest-bearing deposit accounts 1,496 104,005 105,501 1,440 16,559 17,999 3,344 (9,071) (5,727) Money market deposit accounts (207) 64,814 64,607 941 15,026 15,967 1,997 (6,604) (4,607) Savings deposits (676) 10,263 9,587 202 2,931 3,133 465 (2,220) (1,755) Certificates and other time deposits 14,157 49,301 63,458 508 2,013 2,521 (6,211) (10,121) (16,332) Borrowings 6,437 14,093 20,530 5,649 3,582 9,231 (2,521) 513 (2,008) Totals 21,207 242,476 263,683 8,740 40,111 48,851 (2,926) (27,503) (30,429) Change in net interest income (fully taxable equivalent basis) $ 36,035 $ (11,485) 24,550 $ 90,122 $ 23,406 113,528 $ 37,564 $ (5,392) 32,172 Tax equivalent adjustment using marginal rate of 21% for 2023, 2022 and 2021 647 (4,005) (3,619) Change in net interest income $ 25,197 $ 109,523 $ 28,553 INVESTMENT SECURITIES In determining the fair value of the investment securities portfolio, the Corporation utilizes a third party for portfolio accounting services, including market value input, for those securities classified as Level 1 and Level 2 in the fair value hierarchy.
At December 31, 2022, 2021, 2020, 2019, and 2018, the remaining fair value discount on acquired loans was $31.3 million, $10.9 million, $23.0 million, $36.6 million, and $30.1 million, respectively. 18 PART I: ITEM 1. BUSINESS LOAN MATURITIES Presented in the table below are the maturities of loans outstanding as of December 31, 2022, by collateral classification.
At December 31, 2023, 2022, 2021, 2020, and 2019, the remaining fair value discount on acquired loans was $23.2 million, $31.3 million, $10.9 million, $23.0 million, and $36.6 million, respectively. 18 PART I: ITEM 1.
Government-sponsored mortgage-backed securities 460,843 — 460,843 17,552 — 478,395 Foreign investment 1,500 — 1,500 — — 1,500 Total held to maturity $ 1,227,668 $ — $ 1,227,668 $ 52,877 $ 252 $ 1,280,293 In determining the allowance for credit losses on investment securities available for sale that are in an unrealized loss position, the Corporation first assesses whether it intends to sell, or it is more likely than not that it will be required to sell the security before recovery of its amortized cost basis.
Government-sponsored mortgage-backed securities 749,789 — 749,789 7,957 5,881 751,865 Foreign investment 1,500 — 1,500 — 1 1,499 Total held to maturity $ 2,180,047 $ 245 $ 2,179,802 $ 37,776 $ 15,320 $ 2,202,503 In determining the allowance for credit losses on investment securities available for sale that are in an unrealized loss position, the Corporation first assesses whether it intends to sell, or it is more likely than not that it will be required to sell the security before recovery of its amortized cost basis.
At December 31, 2022, 2021, 2020, 2019, and 2018, non-accrual loans include assets acquired of $8.2 million, $3.2 million, $7.9 million, $3.7 million, and $0, respectively. Other real estate owned ("OREO") at December 31, 2022 increased $5.9 million from the December 31, 2021 balance of $558,000. The increase is primarily related to one loan with a balance of $5.8 million.
The primary increase was in the residential portfolio of $11.5 million. At December 31, 2023, 2022, 2021, 2020, and 2019, non-accrual loans include assets acquired of $5.2 million, $8.2 million, $3.2 million, $7.9 million, and $3.7 million, respectively. Other real estate owned (“OREO”) at December 31, 2023 decreased $1.6 million from the December 31, 2022 balance of $6.4 million.
Government-sponsored mortgage-backed securities 591,210 20,984 103 612,091 Corporate obligations 4,031 104 — 4,135 Total available for sale $ 1,807,389 $ 112,079 $ 349 $ 1,919,119 The following table summarizes the amortized cost, gross unrealized gains and losses, approximate fair value and allowance for credit losses on investment securities held to maturity at the dates indicated.
Government-sponsored mortgage-backed securities 671,684 7,109 11,188 667,605 Corporate obligations 4,031 256 8 4,279 Total available for sale $ 2,268,655 $ 89,536 $ 13,640 $ 2,344,551 The following table summarizes the amortized cost, gross unrealized gains and losses, approximate fair value and allowance for credit losses on investment securities held to maturity at the dates indicated.
Government-sponsored mortgage-backed securities 749,789 — 749,789 7,957 5,881 751,865 Foreign investment 1,500 — 1,500 — 1 1,499 Total held to maturity $ 2,180,047 $ 245 $ 2,179,802 $ 37,776 $ 15,320 $ 2,202,503 Amortized Cost Allowance for Credit Losses Net Carrying Amount Gross Unrealized Gains Gross Unrealized Losses Fair Value Held to maturity at December 31, 2020 U.S.
Government-sponsored mortgage-backed securities 709,794 — 709,794 — 99,448 610,346 Foreign investment 1,500 — 1,500 — 28 1,472 Total held to maturity $ 2,184,497 $ 245 $ 2,184,252 $ 1,625 $ 315,748 $ 1,870,374 Amortized Cost Allowance for Credit Losses Net Carrying Amount Gross Unrealized Gains Gross Unrealized Losses Fair Value Held to maturity at December 31, 2022 U.S.