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Investments in Securities - Investments in Securities (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Investments in Securities |  |
Amortized Cost | $ 553,214 |
Available-for-sale Securities |  |
Investments in Securities |  |
Amortized Cost | 553,214 | $ 489,198
Gross Unrealized Gains | 119 | 15,119
Gross Unrealized Losses | 62,741 | 3,285
Fair Value | 490,592 | 501,032
Agency mortgage-backed securities | Available-for-sale Securities |  |
Investments in Securities |  |
Amortized Cost | 327,266 | 219,624
Gross Unrealized Gains |  | 10,561
Gross Unrealized Losses | 40,784 | 744
Fair Value | 286,482 | 229,441
Agency collateralized mortgage obligations | Available-for-sale Securities |  |
Investments in Securities |  |
Amortized Cost | 90,205 | 204,332
Gross Unrealized Gains |  | 2,443
Gross Unrealized Losses | 11,731 | 2,498
Fair Value | 78,474 | 204,277
States and political subdivisions securities | Available-for-sale Securities |  |
Investments in Securities |  |
Amortized Cost | 60,667 | 38,440
Gross Unrealized Gains | 119 | 1,618
Gross Unrealized Losses | 3,291 | 43
Fair Value | 57,495 | 40,015
Small Business Administration securities | Available-for-sale Securities |  |
Investments in Securities |  |
Amortized Cost | 75,076 | 26,802
Gross Unrealized Gains |  | 497
Gross Unrealized Losses | 6,935 |
Fair Value | $ 68,141 | $ 27,299

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