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Investment Securities - Held to Maturity Continuous Loss Position (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Fair Value |  |
Less Than 12 Months | $ 11,588 | $ 1,461
12 Months or Greater | 375,705 | 385,894
Total | 387,293 | 387,355
Gross Unrealized Losses |  |
Less Than 12 Months | (213) | (78)
12 Months or Greater | (49,390) | (43,733)
Total | (49,603) | (43,811)
U.S. treasury securities |  |
Fair Value |  |
Less Than 12 Months | 0 | 0
12 Months or Greater | 90,164 | 90,094
Total | 90,164 | 90,094
Gross Unrealized Losses |  |
Less Than 12 Months | 0 | 0
12 Months or Greater | (3,986) | (3,212)
Total | (3,986) | (3,212)
U.S. agency securities |  |
Fair Value |  |
Less Than 12 Months | 0 | 0
12 Months or Greater | 14,720 | 14,858
Total | 14,720 | 14,858
Gross Unrealized Losses |  |
Less Than 12 Months | 0 | 0
12 Months or Greater | (1,498) | (1,424)
Total | (1,498) | (1,424)
State, county & municipal securities |  |
Fair Value |  |
Less Than 12 Months | 11,588 | 1,461
12 Months or Greater | 103,719 | 103,500
Total | 115,307 | 104,961
Gross Unrealized Losses |  |
Less Than 12 Months | (213) | (78)
12 Months or Greater | (15,373) | (13,781)
Total | (15,586) | (13,859)
Mortgage-backed securities |  |
Fair Value |  |
Less Than 12 Months | 0 | 0
12 Months or Greater | 167,102 | 177,442
Total | 167,102 | 177,442
Gross Unrealized Losses |  |
Less Than 12 Months | 0 | 0
12 Months or Greater | (28,533) | (25,316)
Total | $ (28,533) | $ (25,316)

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