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Securities - Schedule of Securities With Gross Unrealized Losses (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Less than twelve months |  |
Gross Unrealized Losses | $ (83) | $ (200)
Fair Value | 24,227 | 43,499
Twelve months or more |  |
Gross Unrealized Losses | (50,919) | (62,379)
Fair Value | 414,414 | 487,233
Mortgage-backed securities |  |
Less than twelve months |  |
Gross Unrealized Losses | (26) | (35)
Fair Value | 12,404 | 19,383
Twelve months or more |  |
Gross Unrealized Losses | (22,405) | (31,193)
Fair Value | 192,372 | 206,518
Municipal bonds |  |
Less than twelve months |  |
Gross Unrealized Losses | (46) | (83)
Fair Value | 1,406 | 4,815
Twelve months or more |  |
Gross Unrealized Losses | (27,043) | (27,649)
Fair Value | 173,314 | 176,098
U.S. Treasury securities |  |
Less than twelve months |  |
Gross Unrealized Losses | 0 | 0
Fair Value | 0 | 0
Twelve months or more |  |
Gross Unrealized Losses | (258) | (1,912)
Fair Value | 29,736 | 90,142
U.S. agency securities |  |
Less than twelve months |  |
Gross Unrealized Losses | (11) | (82)
Fair Value | 10,417 | 19,301
Twelve months or more |  |
Gross Unrealized Losses | (1,213) | (1,625)
Fair Value | $ 18,992 | $ 14,475

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