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Investment Securities - Summary of Held-to-Maturity Securities, Unrealized Losses (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
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Schedule of Held-to-maturity Securities [Line Items] |  |
Fair Value, Less than 12 months | $ 15,162 | $ 48,245
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (175) | (931)
Fair Value, 12 months or more | 353,107 | 399,840
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (66,847) | (80,842)
Total Fair Value | 368,269 | 448,085
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss | (67,022) | (81,773)
U.S. Treasury securities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Fair Value, 12 months or more | 24,569 | 49,159
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (212) | (480)
Total Fair Value | 24,569 | 49,159
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss | (212) | (480)
Residential mortgage pass-through securities issued or guaranteed by U.S. government agencies or sponsored enterprises |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Fair Value, Less than 12 months | 15,162 | 45,427
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss | (175) | (880)
Fair Value, 12 months or more | 178,767 | 185,558
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (27,936) | (35,990)
Total Fair Value | 193,929 | 230,985
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss | (28,111) | (36,870)
Other residential MBS issued or guaranteed by U.S. government agencies or sponsored enterprises |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Fair Value, Less than 12 months |  | 2,818
Held-to-maturity Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss |  | (51)
Fair Value, 12 months or more | 149,771 | 165,123
Held-to-maturity Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | (38,699) | (44,372)
Total Fair Value | 149,771 | 167,941
Held-to-maturity Securities, Continuous Unrealized Loss Position, Accumulated Loss | $ (38,699) | $ (44,423)

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