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Securities - Available for Sale Securities With Gross Unrealized Losses and Their Fair Value (Details) $ in Thousands | Mar. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
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Held-to-maturity securities have been in a continuous unrealized loss position, number of positions | 4 | 4
Held-to-maturity securities have been in a continuous unrealized loss position, fair value | $ 67,869 | $ 62,550
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | 6,741 | 12,261
Held-to-maturity securities have been in a continuous unrealized loss position, less than 12 months, fair value | 0 | 62,550
Held-to-maturity securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 0 | $ 12,261
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, fair value | 67,869 |
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 6,741 |
Securities have been in a continuous unrealized loss position, number of positions | 176 | 166
Securities have been in a continuous unrealized loss position, fair value | $ 790,523 | $ 718,869
Securities have been in a continuous unrealized loss position, unrealized losses | 87,066 | 91,529
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 150,118 | 322,133
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 6,476 | 18,711
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 640,405 | 396,736
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 80,590 | $ 72,818
Other Debt Obligations |  |
Held-to-maturity securities have been in a continuous unrealized loss position, number of positions | 3 | 3
Held-to-maturity securities have been in a continuous unrealized loss position, fair value | $ 60,732 | $ 55,561
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | 6,008 | 11,375
Held-to-maturity securities have been in a continuous unrealized loss position, less than 12 months, fair value | 0 | 55,561
Held-to-maturity securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 0 | $ 11,375
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, fair value | 60,732 |
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 6,008 |
Securities have been in a continuous unrealized loss position, number of positions | 59 | 46
Securities have been in a continuous unrealized loss position, fair value | $ 411,042 | $ 335,100
Securities have been in a continuous unrealized loss position, unrealized losses | 22,774 | 21,489
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 128,289 | 218,024
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 5,442 | 8,986
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 282,753 | 117,076
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 17,332 | $ 12,503
US States and Political Subdivisions Debt Securities [Member] |  |
Held-to-maturity securities have been in a continuous unrealized loss position, number of positions | 3 | 3
Held-to-maturity securities have been in a continuous unrealized loss position, fair value | $ 60,732 | $ 55,561
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | 6,008 | 11,375
Held-to-maturity securities have been in a continuous unrealized loss position, less than 12 months, fair value | 0 | 55,561
Held-to-maturity securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 0 | $ 11,375
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, fair value | 60,732 |
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 6,008 |
US Government Agencies Debt Securities [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 8 | 7
Securities have been in a continuous unrealized loss position, fair value | $ 73,930 | $ 77,856
Securities have been in a continuous unrealized loss position, unrealized losses | 2,060 | 2,619
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 5,506 | 77,059
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 20 | 2,517
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 68,424 | 797
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 2,040 | $ 102
Corporate Debt Securities [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 26 | 20
Securities have been in a continuous unrealized loss position, fair value | $ 156,581 | $ 131,766
Securities have been in a continuous unrealized loss position, unrealized losses | 16,471 | 14,664
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 58,591 | 45,447
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 4,529 | 3,553
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 97,990 | 86,319
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 11,942 | $ 11,111
Collateralized Loan Obligations [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 25 | 19
Securities have been in a continuous unrealized loss position, fair value | $ 180,531 | $ 125,478
Securities have been in a continuous unrealized loss position, unrealized losses | 4,243 | 4,206
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 64,192 | 95,518
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 893 | 2,916
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 116,339 | 29,960
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 3,350 | $ 1,290
Collateralized Mortgage Backed Securities |  |
Held-to-maturity securities have been in a continuous unrealized loss position, number of positions | 1 | 1
Held-to-maturity securities have been in a continuous unrealized loss position, fair value | $ 7,137 | $ 6,989
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | 733 | 886
Held-to-maturity securities have been in a continuous unrealized loss position, less than 12 months, fair value | 0 | 6,989
Held-to-maturity securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 0 | $ 886
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, fair value | 7,137 |
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 733 |
Securities have been in a continuous unrealized loss position, number of positions | 117 | 120
Securities have been in a continuous unrealized loss position, fair value | $ 379,481 | $ 383,769
Securities have been in a continuous unrealized loss position, unrealized losses | 64,292 | 70,040
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 21,829 | 104,109
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 1,034 | 9,725
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 357,652 | 279,660
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 63,258 | $ 60,315
REMIC and CMO [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 47 | 47
Securities have been in a continuous unrealized loss position, fair value | $ 146,030 | $ 148,120
Securities have been in a continuous unrealized loss position, unrealized losses | 25,683 | 27,298
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 3,315 | 40,911
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 101 | 3,457
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 142,715 | 107,209
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 25,582 | $ 23,841
GNMA [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 7 | 8
Securities have been in a continuous unrealized loss position, fair value | $ 7,106 | $ 7,133
Securities have been in a continuous unrealized loss position, unrealized losses | 1,766 | 1,879
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 41 | 64
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 0 |
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 7,065 | 7,069
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 1,766 | $ 1,879
FNMA [Member] |  |
Held-to-maturity securities have been in a continuous unrealized loss position, number of positions | 1 | 1
Held-to-maturity securities have been in a continuous unrealized loss position, fair value | $ 7,137 | $ 6,989
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | 733 | 886
Held-to-maturity securities have been in a continuous unrealized loss position, less than 12 months, fair value | 0 | 6,989
Held-to-maturity securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 0 | $ 886
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, fair value | 7,137 |
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 733 |
Securities have been in a continuous unrealized loss position, number of positions | 45 | 47
Securities have been in a continuous unrealized loss position, fair value | $ 146,490 | $ 148,229
Securities have been in a continuous unrealized loss position, unrealized losses | 22,057 | 24,425
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 7,598 | 38,296
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 312 | 3,871
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 138,892 | 109,933
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 21,745 | $ 20,554
FHLMC [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 18 | 18
Securities have been in a continuous unrealized loss position, fair value | $ 79,855 | $ 80,287
Securities have been in a continuous unrealized loss position, unrealized losses | 14,786 | 16,438
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 10,875 | 24,838
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 621 | 2,397
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 68,980 | 55,449
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 14,165 | $ 14,041

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