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Securities (Tables) | 12 Months Ended
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Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract] |
Summary of Amortized Cost and Fair Values of Securities Available-for-sale,Held to Maturity and Other Securities | The following tables summarize the amortized cost and fair values of securities available-for-sale, securities held-to-maturity and equity and other securities at December 31, 2024 and 2023 and the corresponding amounts of gross unrealized gains and losses:
2024 |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
Available-for-sale |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury Notes |  | $ | 32,783 |  |  | $ | — |  |  | $ | (213 | ) |  | $ | 32,570 |
U.S. Government agencies |  |  | 151,912 |  |  |  | 1 |  |  |  | (15,426 | ) |  |  | 136,487 |
Obligations of states, municipalities, and political subdivisions |  |  | 84,188 |  |  |  | 177 |  |  |  | (5,059 | ) |  |  | 79,306 |
Residential mortgage-backed securities |  |  |  |  |  |  |  |  |  |  |  |
Agency |  |  | 849,297 |  |  |  | 1,415 |  |  |  | (99,910 | ) |  |  | 750,802 |
Non-agency |  |  | 160,427 |  |  |  | 6 |  |  |  | (22,553 | ) |  |  | 137,880 |
Commercial mortgage-backed securities |  |  |  |  |  |  |  |  |  |  |  |
Agency |  |  | 261,947 |  |  |  | 160 |  |  |  | (35,167 | ) |  |  | 226,940 |
Corporate securities |  |  | 40,623 |  |  |  | — |  |  |  | (2,161 | ) |  |  | 38,462 |
Asset-backed securities |  |  | 14,406 |  |  |  | 13 |  |  |  | (1,170 | ) |  |  | 13,249 |
Total |  | $ | 1,595,583 |  |  | $ | 1,772 |  |  | $ | (181,659 | ) |  | $ | 1,415,696 |
2024 |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
Held-to-maturity |  |  |  |  |  |  |  |  |  |  |  |
Obligations of states, municipalities, and political subdivisions |  | $ | 605 |  |  | $ | — |  |  | $ | — |  |  | $ | 605 |
Total |  | $ | 605 |  |  | $ | — |  |  | $ | — |  |  | $ | 605 |
2023 |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
Available-for-sale |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury Notes |  | $ | 116,398 |  |  | $ | 61 |  |  | $ | (1,025 | ) |  | $ | 115,434 |
U.S. Government agencies |  |  | 147,062 |  |  |  | 37 |  |  |  | (16,404 | ) |  |  | 130,695 |
Obligations of states, municipalities, and political subdivisions |  |  | 86,022 |  |  |  | 396 |  |  |  | (4,143 | ) |  |  | 82,275 |
Residential mortgage-backed securities |  |  |  |  |  |  |  |  |  |  |  |
Agency |  |  | 786,970 |  |  |  | 4,247 |  |  |  | (95,414 | ) |  |  | 695,803 |
Non-agency |  |  | 122,359 |  |  |  | — |  |  |  | (22,099 | ) |  |  | 100,260 |
Commercial mortgage-backed securities |  |  |  |  |  |  |  |  |  |  |  |
Agency |  |  | 181,452 |  |  |  | — |  |  |  | (34,248 | ) |  |  | 147,204 |
Corporate securities |  |  | 40,681 |  |  |  | — |  |  |  | (4,510 | ) |  |  | 36,171 |
Asset-backed securities |  |  | 35,857 |  |  |  | 2 |  |  |  | (1,221 | ) |  |  | 34,638 |
Total |  | $ | 1,516,801 |  |  | $ | 4,743 |  |  | $ | (179,064 | ) |  | $ | 1,342,480 |
2023 |  | Amortized Cost |  |  | Gross Unrealized Gains |  |  | Gross Unrealized Losses |  |  | Fair Value |
Held-to-maturity |  |  |  |  |  |  |  |  |  |  |  |
Obligations of states, municipalities, and political subdivisions |  | $ | 1,157 |  |  | $ | — |  |  | $ | (8 | ) |  | $ | 1,149 |
Total |  | $ | 1,157 |  |  | $ | — |  |  | $ | (8 | ) |  | $ | 1,149 |
Summary of Gross Unrealized Losses and Fair Values, Aggregated by Investment Category and Length of Individual Securities Continuous Unrealized Loss Position Available-for-sale and Held to Maturity | Gross unrealized losses and fair values, aggregated by investment category and length of time that individual securities have been in a continuous unrealized loss position as of December 31, 2024 and 2023 are summarized as follows:
|  |  |  |  | Less than 12 Months |  |  | 12 Months or Longer |  |  | Total |
2024 |  | # of Securities |  |  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |
Available-for-sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury Notes |  |  | 7 |  |  | $ | 9,808 |  |  | $ | (15 | ) |  | $ | 22,762 |  |  | $ | (198 | ) |  | $ | 32,570 |  |  | $ | (213 | )
U.S. Government agencies |  |  | 22 |  |  |  | 13,629 |  |  |  | (33 | ) |  |  | 120,222 |  |  |  | (15,393 | ) |  |  | 133,851 |  |  |  | (15,426 | )
Obligations of states, municipalities and political subdivisions |  |  | 79 |  |  |  | 20,271 |  |  |  | (418 | ) |  |  | 49,154 |  |  |  | (4,641 | ) |  |  | 69,425 |  |  |  | (5,059 | )
Residential mortgage-backed securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency |  |  | 129 |  |  |  | 183,980 |  |  |  | (3,879 | ) |  |  | 472,665 |  |  |  | (96,031 | ) |  |  | 656,645 |  |  |  | (99,910 | )
Non-agency |  |  | 22 |  |  |  | 37,882 |  |  |  | (1,361 | ) |  |  | 91,303 |  |  |  | (21,192 | ) |  |  | 129,185 |  |  |  | (22,553 | )
Commercial mortgage-backed securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency |  |  | 53 |  |  |  | 63,959 |  |  |  | (1,887 | ) |  |  | 139,283 |  |  |  | (33,280 | ) |  |  | 203,242 |  |  |  | (35,167 | )
Corporate securities |  |  | 21 |  |  |  | 2,470 |  |  |  | (21 | ) |  |  | 35,992 |  |  |  | (2,140 | ) |  |  | 38,462 |  |  |  | (2,161 | )
Asset-backed securities |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  | 5,829 |  |  |  | (1,170 | ) |  |  | 5,829 |  |  |  | (1,170 | )
Total |  |  | 334 |  |  | $ | 331,999 |  |  | $ | (7,614 | ) |  | $ | 937,210 |  |  | $ | (174,045 | ) |  | $ | 1,269,209 |  |  | $ | (181,659 | )
|  |  |  |  | Less than 12 Months |  |  | 12 Months or Longer |  |  | Total |
2023 |  | # of Securities |  |  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |  |  | Fair Value |  |  | Unrealized Losses |
Available-for-sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
U.S. Treasury Notes |  |  | 7 |  |  | $ | 5,018 |  |  | $ | (4 | ) |  | $ | 31,843 |  |  | $ | (1,021 | ) |  | $ | 36,861 |  |  | $ | (1,025 | )
U.S. Government agencies |  |  | 18 |  |  |  | 535 |  |  |  | (9 | ) |  |  | 119,109 |  |  |  | (16,395 | ) |  |  | 119,644 |  |  |  | (16,404 | )
Obligations of states, municipalities and political subdivisions |  |  | 61 |  |  |  | 12,267 |  |  |  | (156 | ) |  |  | 49,617 |  |  |  | (3,987 | ) |  |  | 61,884 |  |  |  | (4,143 | )
Residential mortgage-backed securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency |  |  | 102 |  |  |  | 8,332 |  |  |  | (49 | ) |  |  | 543,648 |  |  |  | (95,365 | ) |  |  | 551,980 |  |  |  | (95,414 | )
Non-agency |  |  | 20 |  |  |  | 636 |  |  |  | — |  |  |  | 99,624 |  |  |  | (22,099 | ) |  |  | 100,260 |  |  |  | (22,099 | )
Commercial mortgage-backed securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Agency |  |  | 48 |  |  |  | 6,765 |  |  |  | (1,517 | ) |  |  | 140,439 |  |  |  | (32,731 | ) |  |  | 147,204 |  |  |  | (34,248 | )
Corporate securities |  |  | 21 |  |  |  | — |  |  |  | — |  |  |  | 36,171 |  |  |  | (4,510 | ) |  |  | 36,171 |  |  |  | (4,510 | )
Asset-backed securities |  |  | 6 |  |  |  | — |  |  |  | — |  |  |  | 25,653 |  |  |  | (1,221 | ) |  |  | 25,653 |  |  |  | (1,221 | )
Total |  |  | 283 |  |  | $ | 33,553 |  |  | $ | (1,735 | ) |  | $ | 1,046,104 |  |  | $ | (177,329 | ) |  | $ | 1,079,657 |  |  | $ | (179,064 | )
Held to Maturity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Obligations of states, municipalities and political subdivisions |  |  | 2 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,149 |  |  | $ | (8 | ) |  | $ | 1,149 |  |  | $ | (8 | )
Total |  |  | 2 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,149 |  |  | $ | (8 | ) |  | $ | 1,149 |  |  | $ | (8 | )
Summary of Proceeds From Sales and Calls of Securities Available-for-sale and Associated Gains and Losses | The proceeds from all sales and calls of securities were available-for-sale, and the associated gains and losses for the years ended December 31, 2024, 2023, and 2022 are listed below:
|  | 2024 |  |  | 2023 |  |  | 2022 |
Proceeds |  | $ | 8,949 |  |  | $ | 163,649 |  |  | $ | 23,293 |
Gross gains |  |  | — |  |  |  | — |  |  |  | 100 |
Gross losses |  |  | 699 |  |  |  | — |  |  |  | 50 |
Schedule of Amortized Cost and Fair Value of Debt Securities by Contractual Maturity | At December 31, 2024, the amortized cost and fair value of debt securities are shown by contractual maturity. Expected maturities may differ from contractual maturities if borrowers have the right to call or prepay obligations with or without call or prepayment penalties.
|  | Amortized Cost |  |  | Fair Value |
Available-for-sale |  |  |  |  |  |
Due in one year or less |  | $ | 50,425 |  |  | $ | 49,900 |
Due from one to five years |  |  | 92,638 |  |  |  | 88,012 |
Due from five to ten years |  |  | 141,506 |  |  |  | 127,133 |
Due after ten years |  |  | 39,343 |  |  |  | 35,029 |
Mortgage-backed securities |  |  | 1,271,671 |  |  |  | 1,115,622 |
Total |  | $ | 1,595,583 |  |  | $ | 1,415,696 |
Held-to-maturity |  |  |  |  |  |
Due in one year or less |  | $ | 605 |  |  | $ | 605 |
Total |  | $ | 605 |  |  | $ | 605 |

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