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v3.25.3

Securities, HTM Securities in Continuous Unrealized Loss Position (Details) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 USD ($) Position | Dec. 31, 2024 USD ($) Position
Unrealized Loss Position, Fair Value [Abstract] |  |
Less than 12 months | $ 15,966 | $ 16,605
12 months or longer | 590,559 | 640,538
Total | 606,525 | 657,143
Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | (265) | (114)
12 months or longer | (65,019) | (92,904)
Total | $ (65,284) | $ (93,018)
Unrealized Loss Position, Number of Positions [Abstract] |  |
Less than 12 months | Position | 9 | 13
12 months or longer | Position | 245 | 276
Total | Position | 254 | 289
HTM Securities [Abstract] |  |
HTM debt securities, nonaccrual | $ 0 | $ 0
Accrued interest reversed against interest income | 0 | 0
Collateral-dependent HTM debt securities | 0 | 0
Allowance for credit losses on HTM securities | 0 | 0
AIR on HTM debt securities | $ 3,600 | $ 4,400
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] | Other Assets | Other Assets
Past Due [Member] |  |
HTM Securities [Abstract] |  |
HTM debt securities | $ 0 | $ 0
Federal Agency [Member] |  |
Unrealized Loss Position, Fair Value [Abstract] |  |
Less than 12 months | 0 | 0
12 months or longer | 88,488 | 83,344
Total | 88,488 | 83,344
Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | 0 | 0
12 months or longer | (11,512) | (16,656)
Total | $ (11,512) | $ (16,656)
Unrealized Loss Position, Number of Positions [Abstract] |  |
Less than 12 months | Position | 0 | 0
12 months or longer | Position | 4 | 4
Total | Position | 4 | 4
Mortgage-Backed [Member] |  |
Unrealized Loss Position, Fair Value [Abstract] |  |
Less than 12 months | $ 10,756 | $ 0
12 months or longer | 171,725 | 189,271
Total | 182,481 | 189,271
Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | (86) | 0
12 months or longer | (24,837) | (34,865)
Total | $ (24,923) | $ (34,865)
Unrealized Loss Position, Number of Positions [Abstract] |  |
Less than 12 months | Position | 1 | 0
12 months or longer | Position | 33 | 34
Total | Position | 34 | 34
Collateralized Mortgage Obligations [Member] |  |
Unrealized Loss Position, Fair Value [Abstract] |  |
Less than 12 months | $ 0 | $ 7,147
12 months or longer | 177,303 | 198,978
Total | 177,303 | 206,125
Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | 0 | (7)
12 months or longer | (15,845) | (22,792)
Total | $ (15,845) | $ (22,799)
Unrealized Loss Position, Number of Positions [Abstract] |  |
Less than 12 months | Position | 0 | 1
12 months or longer | Position | 47 | 52
Total | Position | 47 | 53
State & Municipal [Member] |  |
Unrealized Loss Position, Fair Value [Abstract] |  |
Less than 12 months | $ 5,210 | $ 9,458
12 months or longer | 153,043 | 168,945
Total | 158,253 | 178,403
Unrealized Loss Position, Unrealized Losses [Abstract] |  |
Less than 12 months | (179) | (107)
12 months or longer | (12,825) | (18,591)
Total | $ (13,004) | $ (18,698)
Unrealized Loss Position, Number of Positions [Abstract] |  |
Less than 12 months | Position | 8 | 12
12 months or longer | Position | 161 | 186
Total | Position | 169 | 198
US Government Agencies Debt Securities and US Government-sponsored Enterprises Debt Securities [Member] |  |
HTM Securities [Abstract] |  |
Held-to-maturity debt securities, percentage | 66.00% | 66.00%
Local Municipal Bonds [Member] |  |
HTM Securities [Abstract] |  |
HTM debt securities | $ 79,200 | $ 84,700

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