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Securities - Available for Sale Securities With Gross Unrealized Losses and Their Fair Value (Details) $ in Thousands | Jun. 30, 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 | $ 64,337 | $ 62,550
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | 10,076 | 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 | 64,337 |
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 10,076 |
Securities have been in a continuous unrealized loss position, number of positions | 188 | 166
Securities have been in a continuous unrealized loss position, fair value | $ 819,112 | $ 718,869
Securities have been in a continuous unrealized loss position, unrealized losses | 97,749 | 91,529
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 175,024 | 322,133
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 8,979 | 18,711
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 644,088 | 396,736
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 88,770 | $ 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 | $ 57,326 | $ 55,561
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | 9,222 | 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 | 57,326 |
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 9,222 |
Securities have been in a continuous unrealized loss position, number of positions | 65 | 46
Securities have been in a continuous unrealized loss position, fair value | $ 453,607 | $ 335,100
Securities have been in a continuous unrealized loss position, unrealized losses | 28,249 | 21,489
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 156,037 | 218,024
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 7,776 | 8,986
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 297,570 | 117,076
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 20,473 | $ 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 | $ 57,326 | $ 55,561
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | 9,222 | 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 | 57,326 |
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 9,222 |
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 | $ 73,794 | $ 77,856
Securities have been in a continuous unrealized loss position, unrealized losses | 2,200 | 2,619
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 5,437 | 77,059
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 24 | 2,517
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 68,357 | 797
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 2,176 | $ 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 | $ 150,602 | $ 131,766
Securities have been in a continuous unrealized loss position, unrealized losses | 22,493 | 14,664
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 46,412 | 45,447
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 6,748 | 3,553
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 104,190 | 86,319
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 15,745 | $ 11,111
Collateralized Loan Obligations [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 31 | 19
Securities have been in a continuous unrealized loss position, fair value | $ 229,211 | $ 125,478
Securities have been in a continuous unrealized loss position, unrealized losses | 3,556 | 4,206
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 104,188 | 95,518
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 1,004 | 2,916
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 125,023 | 29,960
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 2,552 | $ 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 | $ 7,011 | $ 6,989
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | 854 | 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 | 7,011 |
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 854 |
Securities have been in a continuous unrealized loss position, number of positions | 123 | 120
Securities have been in a continuous unrealized loss position, fair value | $ 365,505 | $ 383,769
Securities have been in a continuous unrealized loss position, unrealized losses | 69,500 | 70,040
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 18,987 | 104,109
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 1,203 | 9,725
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 346,518 | 279,660
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 68,297 | $ 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 | $ 139,882 | $ 148,120
Securities have been in a continuous unrealized loss position, unrealized losses | 28,514 | 27,298
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 940 | 40,911
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 52 | 3,457
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 138,942 | 107,209
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 28,462 | $ 23,841
GNMA [Member] |  |
Securities have been in a continuous unrealized loss position, number of positions | 10 | 8
Securities have been in a continuous unrealized loss position, fair value | $ 6,952 | $ 7,133
Securities have been in a continuous unrealized loss position, unrealized losses | 1,783 | 1,879
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 97 | 64
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 1 |
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 6,855 | 7,069
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 1,782 | $ 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 | $ 7,011 | $ 6,989
Held-to-maturity securities have been in a continuous unrealized loss position, unrealized loss | 854 | 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 | 7,011 |
Held-to-maturity securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 854 |
Securities have been in a continuous unrealized loss position, number of positions | 48 | 47
Securities have been in a continuous unrealized loss position, fair value | $ 141,717 | $ 148,229
Securities have been in a continuous unrealized loss position, unrealized losses | 23,347 | 24,425
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 7,493 | 38,296
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 399 | 3,871
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 134,224 | 109,933
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 22,948 | $ 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 | $ 76,954 | $ 80,287
Securities have been in a continuous unrealized loss position, unrealized losses | 15,856 | 16,438
Securities have been in a continuous unrealized loss position, less than 12 months, fair value | 10,457 | 24,838
Securities have been in a continuous unrealized loss position, less than 12 months, unrealized losses | 751 | 2,397
Securities have been in a continuous unrealized loss position, 12 months or more, fair value | 66,497 | 55,449
Securities have been in a continuous unrealized loss position, 12 months or more, unrealized losses | $ 15,105 | $ 14,041

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