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Investment Securities - Unrealized Losses on Investment Securities Available for Sale (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Investment Securities, Available for Sale, Fair Value |  |
Less than 12 Months | $ 11,405 | $ 44,466
12 Months or Longer | 397,144 | 565,391
Fair Value | 408,549 | 609,857
Investment Securities, Available-for-Sale, Unrealized Loss |  |
Less than 12 Months | (13) | (408)
12 Months or Longer | (45,169) | (71,875)
Unrealized Losses | (45,182) | (72,283)
U.S. government and agency securities |  |
Investment Securities, Available for Sale, Fair Value |  |
Less than 12 Months | 0 | 0
12 Months or Longer | 11,642 | 12,544
Fair Value | 11,642 | 12,544
Investment Securities, Available-for-Sale, Unrealized Loss |  |
Less than 12 Months | 0 | 0
12 Months or Longer | (1,634) | (2,390)
Unrealized Losses | (1,634) | (2,390)
Municipal securities |  |
Investment Securities, Available for Sale, Fair Value |  |
Less than 12 Months | 1,247 | 0
12 Months or Longer | 45,486 | 45,157
Fair Value | 46,733 | 45,157
Investment Securities, Available-for-Sale, Unrealized Loss |  |
Less than 12 Months | 0 | 0
12 Months or Longer | (8,403) | (10,239)
Unrealized Losses | (8,403) | (10,239)
Residential CMO and MBS(1) |  |
Investment Securities, Available for Sale, Fair Value |  |
Less than 12 Months | 1,775 | 25,126
12 Months or Longer | 181,249 | 232,903
Fair Value | 183,024 | 258,029
Investment Securities, Available-for-Sale, Unrealized Loss |  |
Less than 12 Months | (7) | (321)
12 Months or Longer | (24,476) | (38,579)
Unrealized Losses | (24,483) | (38,900)
Commercial CMO and MBS(1) |  |
Investment Securities, Available for Sale, Fair Value |  |
Less than 12 Months | 6,939 | 17,772
12 Months or Longer | 154,811 | 270,897
Fair Value | 161,750 | 288,669
Investment Securities, Available-for-Sale, Unrealized Loss |  |
Less than 12 Months | (6) | (86)
12 Months or Longer | (10,612) | (20,556)
Unrealized Losses | (10,618) | (20,642)
Corporate obligations |  |
Investment Securities, Available for Sale, Fair Value |  |
Less than 12 Months | 0 | 0
12 Months or Longer | 3,956 | 3,890
Fair Value | 3,956 | 3,890
Investment Securities, Available-for-Sale, Unrealized Loss |  |
Less than 12 Months | 0 | 0
12 Months or Longer | (44) | (111)
Unrealized Losses | (44) | (111)
Other asset-backed securities |  |
Investment Securities, Available for Sale, Fair Value |  |
Less than 12 Months | 1,444 | 1,568
12 Months or Longer | 0 | 0
Fair Value | 1,444 | 1,568
Investment Securities, Available-for-Sale, Unrealized Loss |  |
Less than 12 Months | 0 | (1)
12 Months or Longer | 0 | 0
Unrealized Losses | $ 0 | $ (1)

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