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Securities - Unrealized Loss on Securities (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
AVAILABLE FOR SALE |  |
Less than 12 Months, fair value | $ 321,043 | $ 1,174,855
Less than 12 Months, unrealized loss | 7,217 | 82,638
More than 12 Months, fair value | 697,645 | 29,165
More than 12 Months, unrealized Loss | 57,207 | 7,504
Total fair value | 1,018,688 | 1,204,020
Total unrealized loss | 64,424 | 90,142
HELD TO MATURITY |  |
Less than 12 months, fair value | 298,906 | 672,739
Less than 12 months, unrealized loss | 14,727 | 83,876
More than 12 months, fair value | 675,086 | 340,055
More than 12 months, unrealized loss | 130,444 | 98,262
Total fair value | 973,992 | 1,012,794
Total unrealized loss | 145,171 | 182,138
State and political subdivisions |  |
AVAILABLE FOR SALE |  |
Less than 12 Months, fair value | 152,248 | 859,270
Less than 12 Months, unrealized loss | 2,179 | 68,683
More than 12 Months, fair value | 625,144 | 26,620
More than 12 Months, unrealized Loss | 52,194 | 6,874
Total fair value | 777,392 | 885,890
Total unrealized loss | 54,373 | 75,557
HELD TO MATURITY |  |
Less than 12 months, fair value | 182,401 | 426,382
Less than 12 months, unrealized loss | 7,385 | 66,898
More than 12 months, fair value | 544,200 | 323,385
More than 12 months, unrealized loss | 119,561 | 96,385
Total fair value | 726,601 | 749,767
Total unrealized loss | 126,946 | 163,283
Corporate bonds and other |  |
AVAILABLE FOR SALE |  |
Less than 12 Months, fair value | 13,193 | 3,678
Less than 12 Months, unrealized loss | 1,135 | 14
More than 12 Months, fair value | 0 | 0
More than 12 Months, unrealized Loss | 0 | 0
Total fair value | 13,193 | 3,678
Total unrealized loss | 1,135 | 14
HELD TO MATURITY |  |
Less than 12 months, fair value | 95,612 | 125,250
Less than 12 months, unrealized loss | 6,228 | 6,660
More than 12 months, fair value | 36,668 | 12,738
More than 12 months, unrealized loss | 3,593 | 1,333
Total fair value | 132,280 | 137,988
Total unrealized loss | 9,821 | 7,993
Residential |  |
AVAILABLE FOR SALE |  |
Less than 12 Months, fair value | 155,602 | 306,294
Less than 12 Months, unrealized loss | 3,903 | 13,623
More than 12 Months, fair value | 64,334 | 0
More than 12 Months, unrealized Loss | 4,089 | 0
Total fair value | 219,936 | 306,294
Total unrealized loss | 7,992 | 13,623
HELD TO MATURITY |  |
Less than 12 months, fair value | 20,893 | 80,801
Less than 12 months, unrealized loss | 1,114 | 7,799
More than 12 months, fair value | 65,539 | 3,932
More than 12 months, unrealized loss | 5,168 | 544
Total fair value | 86,432 | 84,733
Total unrealized loss | 6,282 | 8,343
Commercial |  |
AVAILABLE FOR SALE |  |
Less than 12 Months, fair value | 0 | 5,613
Less than 12 Months, unrealized loss | 0 | 318
More than 12 Months, fair value | 8,167 | 2,545
More than 12 Months, unrealized Loss | 924 | 630
Total fair value | 8,167 | 8,158
Total unrealized loss | 924 | 948
HELD TO MATURITY |  |
Less than 12 months, fair value | 0 | 40,306
Less than 12 months, unrealized loss | 0 | 2,519
More than 12 months, fair value | 28,679 | 0
More than 12 months, unrealized loss | 2,122 | 0
Total fair value | 28,679 | 40,306
Total unrealized loss | $ 2,122 | $ 2,519

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