Biggest changeFor example, the 2014 column indicates that at December 31, 2024 payments equal to $306.0 million of the currently re-estimated ultimate liability for net losses and loss expenses of $314.5 million had been made. -18- Index Year Ended December 31, (in thousands) 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 Net liability at end of year for unpaid losses and loss expenses $ 292,301 $ 322,054 $ 347,518 $ 383,401 $ 475,398 $ 506,906 $ 557,189 $ 626,359 $ 669,862 $ 689,143 $ 704,364 Net liability re-estimated as of: One year later 299,501 325,043 354,139 419,032 462,466 493,961 525,981 581,538 653,209 674,171 Two years later 299,919 329,115 375,741 413,535 450,862 479,927 498,724 564,326 638,428 Three years later 304,855 338,118 376,060 404,902 440,168 463,441 490,177 550,972 Four years later 307,840 339,228 372,230 398,560 432,027 459,835 480,865 Five years later 310,354 338,020 370,960 396,695 431,115 455,494 Six years later 310,380 338,200 372,346 396,748 429,865 Seven years later 311,594 339,625 371,859 396,167 Eight years later 313,354 340,191 372,477 Nine years later 313,539 340,800 Ten years later 314,490 Cumulative deficiency (excess) 22,189 18,746 24,959 12,766 (45,533 ) (51,412 ) (76,324 ) (75,387 ) (31,434 ) (14,972 ) Cumulative amount of liability paid through: One year later $ 131,779 $ 149,746 $ 163,005 $ 175,883 $ 195,956 $ 172,497 $ 182,223 $ 218,304 $ 260,739 $ 269,701 Two years later 206,637 228,506 250,678 276,331 275,993 276,069 297,860 346,107 405,216 Three years later 251,654 274,235 306,338 317,447 335,310 343,912 374,043 426,648 Four years later 274,248 300,715 324,628 342,583 371,231 393,068 418,283 Five years later 287,178 309,630 337,946 362,061 394,251 414,690 Six years later 292,327 315,105 349,496 372,584 404,251 Seven years later 295,106 321,777 355,809 378,937 Eight years later 300,306 326,617 359,527 Nine years later 303,708 329,651 Ten years later 306,019 Year Ended December 31, (in thousands) 2016 2017 2018 2019 2020 2021 2022 2023 2024 Gross liability at end of year $ 606,665 $ 676,672 $ 814,665 $ 869,674 $ 962,007 $ 1,077,620 $ 1,121,046 $ 1,126,157 $ 1,120,985 Reinsurance recoverable 259,147 293,271 339,266 362,768 404,818 451,261 451,184 437,014 416,621 Net liability at end of year 347,518 383,401 475,398 506,906 557,189 626,359 669,862 689,143 704,364 Gross re-estimated liability 621,200 674,826 751,479 787,575 869,571 938,746 1,011,779 1,072,359 Re-estimated recoverable 248,723 278,659 321,614 332,081 388,706 387,774 373,351 398,188 Net re-estimated liability 372,477 396,167 429,865 455,494 480,865 550,972 638,428 674,171 Gross cumulative deficiency (excess) 14,535 (1,846 ) (63,186 ) (82,099 ) (92,436 ) (138,874 ) (109,267 ) (53,798 ) -19- Index Third-Party Reinsurance Our insurance subsidiaries and Donegal Mutual purchase certain third-party reinsurance on a combined basis.
Biggest changeFor example, the 2015 column indicates that at December 31, 2025 payments equal to $333.1 million of the currently re-estimated ultimate liability for net losses and loss expenses of $342.7 million had been made. -18- Index Year Ended December 31, (in thousands) 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 Net liability at end of year for unpaid losses and loss expenses $ 322,054 $ 347,518 $ 383,401 $ 475,398 $ 506,906 $ 557,189 $ 626,359 $ 669,862 $ 689,143 $ 704,364 $ 705,196 Net liability re-estimated as of: One year later 325,043 354,139 419,032 462,466 493,961 525,981 581,538 653,209 674,171 694,097 Two years later 329,115 375,741 413,535 450,862 479,927 498,724 564,326 638,428 670,481 Three years later 338,118 376,060 404,902 440,168 463,441 490,177 550,972 638,823 Four years later 339,228 372,230 398,560 432,027 459,835 480,865 545,874 Five years later 338,020 370,960 396,695 431,115 455,494 484,462 Six years later 338,200 372,346 396,748 429,865 457,859 Seven years later 339,625 371,859 396,167 432,179 Eight years later 340,191 372,477 398,727 Nine years later 340,800 374,756 Ten years later 342,742 Cumulative deficiency (excess) 20,688 27,238 15,326 (43,219 ) (49,047 ) (72,727 ) (80,485 ) (31,039 ) (18,662 ) (10,267 ) Cumulative amount of liability paid through: One year later $ 149,746 $ 163,005 $ 175,883 $ 195,956 $ 172,497 $ 182,223 $ 218,304 $ 260,739 $ 269,701 $ 277,360 Two years later 228,506 250,678 276,331 275,993 276,069 297,860 346,107 405,216 430,824 Three years later 274,235 306,338 317,447 335,310 343,912 374,043 426,648 500,744 Four years later 300,715 324,628 342,583 371,231 393,068 418,283 471,484 Five years later 309,630 337,946 362,061 394,251 414,690 441,368 Six years later 315,105 349,496 372,584 404,251 429,045 Seven years later 321,777 355,809 378,937 412,667 Eight years later 326,617 359,527 384,380 Nine years later 329,651 363,581 Ten years later 333,148 Year Ended December 31, (in thousands) 2017 2018 2019 2020 2021 2022 2023 2024 2025 Gross liability at end of year $ 676,672 $ 814,665 $ 869,674 $ 962,007 $ 1,077,620 $ 1,121,046 $ 1,126,157 $ 1,120,985 $ 1,100,050 Reinsurance recoverable 293,271 339,266 362,768 404,818 451,261 451,184 437,014 416,621 394,854 Net liability at end of year 383,401 475,398 506,906 557,189 626,359 669,862 689,143 704,364 705,196 Gross re-estimated liability 678,947 752,587 787,256 868,967 924,582 1,000,930 1,051,463 1,079,093 Re-estimated recoverable 280,220 320,408 329,397 384,505 378,708 362,107 380,982 384,996 Net re-estimated liability 398,727 432,179 457,859 484,462 545,874 638,823 670,481 694,097 Gross cumulative deficiency (excess) 2,275 (62,078 ) (82,418 ) (93,040 ) (153,038 ) (120,116 ) (74,694 ) (41,892 ) -19- Index Third-Party Reinsurance Our insurance subsidiaries and Donegal Mutual purchase certain third-party reinsurance on a combined basis.
At December 31, 2024, the Donegal Insurance Group actively wrote business in 21 states (Arizona, Colorado, Delaware, Georgia, Illinois, Indiana, Iowa, Maryland, Michigan, Nebraska, New Mexico, North Carolina, Ohio, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, and Wisconsin).
At December 31, 2025, the Donegal Insurance Group actively wrote business in 21 states (Arizona, Colorado, Delaware, Georgia, Illinois, Indiana, Iowa, Maryland, Michigan, Nebraska, New Mexico, North Carolina, Ohio, Pennsylvania, South Carolina, South Dakota, Tennessee, Texas, Utah, Virginia, and Wisconsin).
(3) We value short-term investments at cost, which approximates fair value. -21- Index The following table sets forth the maturities (at carrying value) in the fixed maturity portfolio of our insurance subsidiaries at December 31, 2024, 2023 and 2022: December 31, 2024 2023 2022 Percent of Percent of Percent of (dollars in thousands) Amount Total Amount Total Amount Total Due in (1) : One year or less $ 56,914 4.3 % $ 54,392 4.3 % $ 39,094 3.2 % Over one year through three years 210,184 15.9 130,158 10.3 107,689 8.9 Over three years through five years 175,577 13.3 141,994 11.2 133,068 11.0 Over five years through ten years 318,912 24.1 347,035 27.3 357,114 29.5 Over ten years through fifteen years 208,445 15.7 201,585 15.9 191,118 15.8 Over fifteen years 50,503 3.8 116,747 9.2 154,840 12.7 Mortgage-backed securities 304,459 23.0 278,260 21.9 229,308 18.9 Allowance for expected credit losses (1,388 ) (0.1 ) (1,326 ) (0.1 ) — — $ 1,323,606 100.0 % $ 1,268,845 100.0 % $ 1,212,231 100.0 % (1) Based on stated maturity dates with no prepayment assumptions.
(3) We value short-term investments at cost, which approximates fair value. -21- Index The following table sets forth the maturities (at carrying value) in the fixed maturity portfolio of our insurance subsidiaries at December 31, 2025, 2024 and 2023: December 31, 2025 2024 2023 Percent of Percent of Percent of (dollars in thousands) Amount Total Amount Total Amount Total Due in (1) : One year or less $ 28,609 2.0 % $ 56,914 4.3 % $ 54,392 4.3 % Over one year through three years 76,958 5.4 210,184 15.9 130,158 10.3 Over three years through five years 140,580 9.9 175,577 13.3 141,994 11.2 Over five years through ten years 323,870 22.9 318,912 24.1 347,035 27.3 Over ten years through fifteen years 234,181 16.6 208,445 15.7 201,585 15.9 Over fifteen years 169,058 11.9 50,503 3.8 116,747 9.2 Mortgage-backed securities 445,227 31.4 304,459 23.0 278,260 21.9 Allowance for expected credit losses (1,313 ) (0.1 ) (1,388 ) (0.1 ) (1,326 ) (0.1 ) $ 1,417,170 100.0 % $ 1,323,606 100.0 % $ 1,268,845 100.0 % (1) Based on stated maturity dates with no prepayment assumptions.
Treasury securities and obligations of U.S. government corporations and agencies $ 86,579 6.3 % $ 91,517 6.9 % $ 103,362 7.9 % Obligations of states and political subdivisions 371,896 26.9 376,898 28.4 382,097 29.3 Corporate securities 236,550 17.0 201,847 15.2 190,949 14.6 Mortgage-backed securities 10,689 0.8 9,235 0.7 12,031 1.0 Total held to maturity 705,714 51.0 679,497 51.2 688,439 52.8 Available for sale: U.S.
Treasury securities and obligations of U.S. government corporations and agencies $ 79,242 5.3 % $ 86,579 6.3 % $ 91,517 6.9 % Obligations of states and political subdivisions 436,802 29.1 371,896 26.9 376,898 28.4 Corporate securities 252,099 16.8 236,550 17.0 201,847 15.2 Mortgage-backed securities 8,304 0.6 10,689 0.8 9,235 0.7 Total held to maturity 776,447 51.8 705,714 51.0 679,497 51.2 Available for sale: U.S.
Treasury securities and obligations of U.S. government corporations and agencies 83,793 6.0 85,419 6.4 63,521 4.9 Obligations of states and political subdivisions 37,404 2.7 38,116 2.9 40,156 3.1 Corporate securities 202,932 14.7 196,793 14.8 202,838 15.5 Mortgage-backed securities 293,763 21.2 269,020 20.3 217,277 16.6 Total available for sale 617,892 44.6 589,348 44.4 523,792 40.1 Total fixed maturities 1,323,606 95.6 1,268,845 95.6 1,212,231 92.9 Equity securities (2) 36,808 2.6 25,903 2.0 35,105 2.7 Short-term investments (3) 24,558 1.8 32,306 2.4 57,321 4.4 Total investments $ 1,384,972 100.0 % $ 1,327,054 100.0 % $ 1,304,657 100.0 % (1) We refer to Notes 1 and 4 to our Consolidated Financial Statements.
Treasury securities and obligations of U.S. government corporations and agencies 24,329 1.6 83,793 6.0 85,419 6.4 Obligations of states and political subdivisions 48,551 3.3 37,404 2.7 38,116 2.9 Corporate securities 130,925 8.7 202,932 14.7 196,793 14.8 Mortgage-backed securities 436,918 29.1 293,763 21.2 269,020 20.3 Total available for sale 640,723 42.7 617,892 44.6 589,348 44.4 Total fixed maturities 1,417,170 94.5 1,323,606 95.6 1,268,845 95.6 Equity securities (2) 44,370 3.0 36,808 2.6 25,903 2.0 Short-term investments (3) 38,713 2.5 24,558 1.8 32,306 2.4 Total investments $ 1,500,253 100.0 % $ 1,384,972 100.0 % $ 1,327,054 100.0 % (1) We refer to Notes 1 and 4 to our Consolidated Financial Statements.
These differences amounted to $36.0 million, $32.4 million and $28.7 million at December 31, 2024, 2023 and 2022, respectively. -17- Index The following table sets forth a reconciliation of the beginning and ending GAAP net liability of our insurance subsidiaries for unpaid losses and loss expenses for the periods indicated: Year Ended December 31, (in thousands) 2024 2023 2022 Gross liability for unpaid losses and loss expenses at beginning of year $ 1,126,157 $ 1,121,046 $ 1,077,620 Less reinsurance recoverable 437,014 451,184 451,261 Cumulative effect of adoption of updated accounting guidance for credit losses at January 1 — 1,132 — Net liability for unpaid losses and loss expenses at beginning of year 689,143 670,994 626,359 Provision for net losses and loss expenses for claims incurred in the current year 619,090 625,831 608,900 Change in provision for estimated net losses and loss expenses for claims incurred in prior years (14,972 ) (16,653 ) (44,821 ) Total incurred 604,118 609,178 564,079 Net losses and loss expense payments for claims incurred during: The current year 319,196 330,290 302,272 Prior years 269,701 260,739 218,304 Total paid 588,897 591,029 520,576 Net liability for unpaid losses and loss expenses at end of year 704,364 689,143 669,862 Plus reinsurance recoverable 416,621 437,014 451,184 Gross liability for unpaid losses and loss expenses at end of year $ 1,120,985 $ 1,126,157 $ 1,121,046 The following table sets forth the development of the liability for net unpaid losses and loss expenses of our insurance subsidiaries from 2014 to 2024.
The following table sets forth a reconciliation of the beginning and ending GAAP net liability of our insurance subsidiaries for unpaid losses and loss expenses for the periods indicated: Year Ended December 31, (in thousands) 2025 2024 2023 Gross liability for unpaid losses and loss expenses at beginning of year $ 1,120,985 $ 1,126,157 $ 1,121,046 Less reinsurance recoverable 416,621 437,014 451,184 Cumulative effect of adoption of updated accounting guidance for credit losses at January 1 — — 1,132 Net liability for unpaid losses and loss expenses at beginning of year 704,364 689,143 670,994 Provision for net losses and loss expenses for claims incurred in the current year 574,599 619,090 625,831 Change in provision for estimated net losses and loss expenses for claims incurred in prior years (10,267 ) (14,972 ) (16,653 ) Total incurred 564,332 604,118 609,178 Net losses and loss expense payments for claims incurred during: The current year 286,140 319,196 330,290 Prior years 277,360 269,701 260,739 Total paid 563,500 588,897 591,029 Net liability for unpaid losses and loss expenses at end of year 705,196 704,364 689,143 Plus reinsurance recoverable 394,854 416,621 437,014 Gross liability for unpaid losses and loss expenses at end of year $ 1,100,050 $ 1,120,985 $ 1,126,157 The following table sets forth the development of the liability for net unpaid losses and loss expenses of our insurance subsidiaries from 2015 to 2025.