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v3.25.1

Securities - Amortized Cost and Fair Value, Held to Maturity (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | $ 1,101,933 | $ 1,126,144
Gross Unrealized Gains | 0 | 3
Gross Unrealized Losses | (98,436) | (123,603)
Fair Value | 1,003,497 | 1,002,544
Allowance for credit losses - held to maturity securities | (32) | (32)
Held to maturity securities, net of allowance for credit losses | 1,101,901 | 1,126,112
Obligations of states and political subdivisions |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 283,632 | 284,542
Gross Unrealized Gains | 0 | 3
Gross Unrealized Losses | (41,658) | (42,491)
Fair Value | 241,974 | 242,054
Residential mortgage backed securities: |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 347,015 | 354,882
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (26,960) | (41,506)
Fair Value | 320,055 | 313,376
Residential mortgage backed securities: | Government agency mortgage backed securities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 360,229 | 372,414
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (17,581) | (25,251)
Fair Value | 342,648 | 347,163
Commercial mortgage backed securities: | Government agency mortgage backed securities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 16,955 | 16,961
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (2,565) | (2,958)
Fair Value | 14,390 | 14,003
Commercial mortgage backed securities: | Government agency collateralized mortgage obligations |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 43,298 | 43,662
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (6,606) | (7,317)
Fair Value | 36,692 | 36,345
Other debt securities |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Amortized Cost | 50,804 | 53,683
Gross Unrealized Gains | 0 | 0
Gross Unrealized Losses | (3,066) | (4,080)
Fair Value | $ 47,738 | $ 49,603

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