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Securities - Unrealized Loss Positions (Details) $ in Thousands | Dec. 31, 2023 USD ($) security | Dec. 31, 2022 USD ($) security
--- | --- | ---
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security | 14 | 194
Greater than 12 months in an unrealized loss position | security | 353 | 299
Total | security | 367 | 493
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 145 | $ 27,304
Greater than 12 months in an unrealized loss position | 85,825 | 96,526
Total | 85,970 | 123,830
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 28,708 | 579,571
Greater than 12 months in an unrealized loss position | 1,030,120 | 906,689
Total | $ 1,058,828 | $ 1,486,260
U.S. Treasury |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security |  | 1
Greater than 12 months in an unrealized loss position | security | 4 | 4
Total | security | 4 | 5
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position |  | $ 1,025
Greater than 12 months in an unrealized loss position | $ 5,028 | 10,900
Total | 5,028 | 11,925
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position |  | 24,121
Greater than 12 months in an unrealized loss position | 169,574 | 188,008
Total | $ 169,574 | $ 212,129
U.S. government agencies |  |
Securities Available-for-Sale, Number of Securities |  |
Greater than 12 months in an unrealized loss position | security | 9 | 9
Total | security | 9 | 9
Securities Available-for-Sale, Unrealized Losses |  |
Greater than 12 months in an unrealized loss position | $ 3,052 | $ 5,130
Total | 3,052 | 5,130
Securities Available-for-Sale, Fair Value |  |
Greater than 12 months in an unrealized loss position | 56,959 | 56,048
Total | $ 56,959 | $ 56,048
Mortgage Backed Securities, Issued by US Government Agencies |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security |  | 15
Greater than 12 months in an unrealized loss position | security | 128 | 117
Total | security | 128 | 132
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position |  | $ 975
Greater than 12 months in an unrealized loss position | $ 12,122 | 14,623
Total | 12,122 | 15,598
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position |  | 11,369
Greater than 12 months in an unrealized loss position | 106,370 | 113,621
Total | $ 106,370 | $ 124,990
States and political subdivisions |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security | 12 | 45
Greater than 12 months in an unrealized loss position | security | 27 | 15
Total | security | 39 | 60
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 137 | $ 5,800
Greater than 12 months in an unrealized loss position | 10,293 | 8,434
Total | 10,430 | 14,234
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 27,974 | 128,770
Greater than 12 months in an unrealized loss position | 108,408 | 48,877
Total | $ 136,382 | $ 177,647
Corporate bonds |  |
Securities Available-for-Sale, Number of Securities |  |
Greater than 12 months in an unrealized loss position | security |  | 2
Total | security |  | 2
Securities Available-for-Sale, Unrealized Losses |  |
Greater than 12 months in an unrealized loss position |  | $ 378
Total |  | 378
Securities Available-for-Sale, Fair Value |  |
Greater than 12 months in an unrealized loss position |  | 9,622
Total |  | $ 9,622
Collateralized mortgage obligations |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security | 2 | 80
Greater than 12 months in an unrealized loss position | security | 143 | 120
Total | security | 145 | 200
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position | $ 8 | $ 12,895
Greater than 12 months in an unrealized loss position | 50,856 | 49,674
Total | 50,864 | 62,569
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position | 734 | 180,624
Greater than 12 months in an unrealized loss position | 376,236 | 348,880
Total | $ 376,970 | $ 529,504
Asset-backed Securities |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security |  | 30
Greater than 12 months in an unrealized loss position | security | 17 | 21
Total | security | 17 | 51
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position |  | $ 3,030
Greater than 12 months in an unrealized loss position | $ 3,124 | 5,436
Total | 3,124 | 8,466
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position |  | 121,915
Greater than 12 months in an unrealized loss position | 61,671 | 79,659
Total | $ 61,671 | $ 201,574
Collateralized loan obligations. |  |
Securities Available-for-Sale, Number of Securities |  |
Less than 12 months in an unrealized loss position | security |  | 23
Greater than 12 months in an unrealized loss position | security | 25 | 11
Total | security | 25 | 34
Securities Available-for-Sale, Unrealized Losses |  |
Less than 12 months in an unrealized loss position |  | $ 3,579
Greater than 12 months in an unrealized loss position | $ 1,350 | 1,951
Total | 1,350 | 5,530
Securities Available-for-Sale, Fair Value |  |
Less than 12 months in an unrealized loss position |  | 112,772
Greater than 12 months in an unrealized loss position | 150,902 | 61,974
Total | $ 150,902 | $ 174,746

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