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Securities - Schedule of Gross Unrealized Losses and Fair Value of Company's Investments (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Fair value less than 12 months | $ 2,356 | $ 2,387
Unrealized losses less than 12 months | (267) | (236)
Fair value more than 12 months | 532,964 | 543,248
Unrealized losses more than 12 months | (92,845) | (87,583)
Total fair value | 535,320 | 545,635
Total unrealized losses | (93,112) | (87,819)
U.S. Treasury and federal agencies |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair value less than 12 months | 0 | 0
Unrealized losses less than 12 months | 0 | 0
Fair value more than 12 months | 62,926 | 64,377
Unrealized losses more than 12 months | (9,017) | (8,561)
Total fair value | 62,926 | 64,377
Total unrealized losses | (9,017) | (8,561)
State and municipal |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair value less than 12 months | 2,356 | 2,387
Unrealized losses less than 12 months | (267) | (236)
Fair value more than 12 months | 296,899 | 301,643
Unrealized losses more than 12 months | (53,216) | (49,033)
Total fair value | 299,255 | 304,030
Total unrealized losses | (53,483) | (49,269)
Federal agency collateralized mortgage obligations |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair value less than 12 months | 0 | 0
Unrealized losses less than 12 months | 0 | 0
Fair value more than 12 months | 3,450 | 3,580
Unrealized losses more than 12 months | (369) | (351)
Total fair value | 3,450 | 3,580
Total unrealized losses | (369) | (351)
Federal agency mortgage-backed pools |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair value less than 12 months | 0 | 0
Unrealized losses less than 12 months | 0 | 0
Fair value more than 12 months | 133,142 | 137,289
Unrealized losses more than 12 months | (24,670) | (23,833)
Total fair value | 133,142 | 137,289
Total unrealized losses | (24,670) | (23,833)
Corporate notes |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Fair value less than 12 months | 0 | 0
Unrealized losses less than 12 months | 0 | 0
Fair value more than 12 months | 36,547 | 36,359
Unrealized losses more than 12 months | (5,573) | (5,805)
Total fair value | 36,547 | 36,359
Total unrealized losses | $ (5,573) | $ (5,805)

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