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Securities - Amortized Cost and Fair Value of Securities Available for Sale (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Amortized cost and fair value of securities available for sale |  |
Amortized Cost | $ 1,113,283 | $ 968,927
Gross Unrealized Gains | 3,060 | 694
Gross Unrealized Losses | (114,287) | (138,608)
Fair Value | 1,002,056 | 831,013
Obligations of states and political subdivisions |  |
Amortized cost and fair value of securities available for sale |  |
Amortized Cost | 20,221 | 20,266
Gross Unrealized Gains | 53 | 57
Gross Unrealized Losses | (2,024) | (2,269)
Fair Value | 18,250 | 18,054
Other debt securities |  |
Amortized cost and fair value of securities available for sale |  |
Amortized Cost | 162,119 | 130,175
Gross Unrealized Gains | 590 | 440
Gross Unrealized Losses | (1,782) | (2,655)
Fair Value | 160,927 | 127,960
Government agency mortgage backed securities | Residential mortgage backed securities: |  |
Amortized cost and fair value of securities available for sale |  |
Amortized Cost | 247,389 | 185,292
Gross Unrealized Gains | 201 | 81
Gross Unrealized Losses | (21,007) | (24,468)
Fair Value | 226,583 | 160,905
Government agency mortgage backed securities | Commercial mortgage backed securities: |  |
Amortized cost and fair value of securities available for sale |  |
Amortized Cost | 11,372 | 11,373
Gross Unrealized Gains | 42 | 0
Gross Unrealized Losses | (549) | (751)
Fair Value | 10,865 | 10,622
Government agency collateralized mortgage obligations | Residential mortgage backed securities: |  |
Amortized cost and fair value of securities available for sale |  |
Amortized Cost | 504,846 | 475,311
Gross Unrealized Gains | 1,800 | 75
Gross Unrealized Losses | (69,091) | (86,870)
Fair Value | 437,555 | 388,516
Government agency collateralized mortgage obligations | Commercial mortgage backed securities: |  |
Amortized cost and fair value of securities available for sale |  |
Amortized Cost | 167,336 | 146,510
Gross Unrealized Gains | 374 | 41
Gross Unrealized Losses | (19,834) | (21,595)
Fair Value | $ 147,876 | $ 124,956

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