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Securities - Schedule of Unrealized Loss and Fair Value on Investments (Details) $ in Thousands | Dec. 31, 2024 USD ($) security | Dec. 31, 2023 USD ($) security
--- | --- | ---
Fair Value |  |
Less Than 12 Months | $ 717,899 | $ 215,988
12 Months or Longer | 978,673 | 1,453,668
Total | 1,696,572 | 1,669,656
Unrealized Losses |  |
Less Than 12 Months | (7,996) | (11,128)
12 Months or Longer | (203,342) | (206,586)
Total | $ (211,338) | $ (217,714)
Number of individual securities | security | 377 | 504
U.S. Treasury securities and obligations of U.S. government agencies |  |
Fair Value |  |
Less Than 12 Months | $ 4,825 | $ 24,933
12 Months or Longer | 18,060 | 3,594
Total | 22,885 | 28,527
Unrealized Losses |  |
Less Than 12 Months | (13) | (143)
12 Months or Longer | (509) | (335)
Total | (522) | (478)
Residential mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  |
Fair Value |  |
Less Than 12 Months | 648,967 | 91,867
12 Months or Longer | 739,363 | 826,324
Total | 1,388,330 | 918,191
Unrealized Losses |  |
Less Than 12 Months | (7,578) | (9,320)
12 Months or Longer | (182,958) | (174,832)
Total | (190,536) | (184,152)
Commercial mortgage-backed securities and collateralized mortgage obligations of U.S. government-sponsored entities |  |
Fair Value |  |
Less Than 12 Months | 13,200 | 24,251
12 Months or Longer | 107,041 | 262,666
Total | 120,241 | 286,917
Unrealized Losses |  |
Less Than 12 Months | (222) | (1,270)
12 Months or Longer | (10,061) | (18,295)
Total | (10,283) | (19,565)
Private mortgage-backed securities and collateralized mortgage obligations |  |
Fair Value |  |
Less Than 12 Months | 7,178 | 3,945
12 Months or Longer | 101,242 | 119,475
Total | 108,420 | 123,420
Unrealized Losses |  |
Less Than 12 Months | (16) | (69)
12 Months or Longer | (8,366) | (10,842)
Total | (8,382) | (10,911)
Collateralized loan obligations |  |
Fair Value |  |
Less Than 12 Months | 43,410 | 60,087
12 Months or Longer | 7,596 | 232,545
Total | 51,006 | 292,632
Unrealized Losses |  |
Less Than 12 Months | (152) | (223)
12 Months or Longer | (14) | (1,188)
Total | (166) | (1,411)
Obligations of state and political subdivisions |  |
Fair Value |  |
Less Than 12 Months | 319 | 326
12 Months or Longer | 5,371 | 9,064
Total | 5,690 | 9,390
Unrealized Losses |  |
Less Than 12 Months | (15) | (2)
12 Months or Longer | (1,434) | (1,094)
Total | $ (1,449) | (1,096)
Other Debt Securities |  |
Fair Value |  |
Less Than 12 Months |  | 10,579
12 Months or Longer |  | 0
Total |  | 10,579
Unrealized Losses |  |
Less Than 12 Months |  | (101)
12 Months or Longer |  | 0
Total |  | $ (101)

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