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Securities, Unrealized Loss Position (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2024 | Dec. 31, 2023
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract] |  |
Less than 12 months, fair value | $ 0 | $ 3,304
More than 12 months, fair value | 233,635 | 312,424
Total, fair value | 233,635 | 315,728
Less than 12 months, unrealized losses | 0 | (38)
More than 12 months, unrealized losses | (13,079) | (18,997)
Total, unrealized losses | (13,079) | (19,035)
Debt Securities Available-for-Sale [Abstract] |  |
Securities in nonaccrual status | 0 | 0
Securities purchased with deterioration in credit quality | 0 | 0
Collateral dependent securities | 0 | 0
Allowance for credit losses on available-for-sale securities | 0 | 0
Federal Agency Mortgage-backed Securities [Member] |  |
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract] |  |
Less than 12 months, fair value | 0 | 0
More than 12 months, fair value | 56,732 | 66,575
Total, fair value | 56,732 | 66,575
Less than 12 months, unrealized losses | 0 | 0
More than 12 months, unrealized losses | (7,639) | (9,316)
Total, unrealized losses | (7,639) | (9,316)
Federal Agency CMOs [Member] |  |
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract] |  |
Less than 12 months, fair value | 0 | 0
More than 12 months, fair value | 20,536 | 23,339
Total, fair value | 20,536 | 23,339
Less than 12 months, unrealized losses | 0 | 0
More than 12 months, unrealized losses | (881) | (1,381)
Total, unrealized losses | (881) | (1,381)
Federal Agency Debt [Member] |  |
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract] |  |
Less than 12 months, fair value | 0 | 3,018
More than 12 months, fair value | 41,635 | 44,818
Total, fair value | 41,635 | 47,836
Less than 12 months, unrealized losses | 0 | (37)
More than 12 months, unrealized losses | (1,888) | (3,020)
Total, unrealized losses | (1,888) | (3,057)
Municipal Bonds [Member] |  |
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract] |  |
Less than 12 months, fair value | 0 | 0
More than 12 months, fair value | 4,455 | 4,373
Total, fair value | 4,455 | 4,373
Less than 12 months, unrealized losses | 0 | 0
More than 12 months, unrealized losses | (353) | (460)
Total, unrealized losses | (353) | (460)
U.S. Treasuries [Member] |  |
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract] |  |
Less than 12 months, fair value | 0 | 0
More than 12 months, fair value | 101,738 | 163,880
Total, fair value | 101,738 | 163,880
Less than 12 months, unrealized losses | 0 | 0
More than 12 months, unrealized losses | (987) | (3,175)
Total, unrealized losses | (987) | (3,175)
SBA Pools [Member] |  |
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract] |  |
Less than 12 months, fair value | 0 | 286
More than 12 months, fair value | 8,539 | 9,439
Total, fair value | 8,539 | 9,725
Less than 12 months, unrealized losses | 0 | (1)
More than 12 months, unrealized losses | (1,331) | (1,645)
Total, unrealized losses | $ (1,331) | $ (1,646)

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