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Securities, Unrealized Loss Position (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract] |  |
Less than 12 months, fair value | $ 193,587 | $ 235,668
More than 12 months, fair value | 133,454 | 87,969
Total, fair value | 327,041 | 323,637
Less than 12 months, unrealized losses | (4,420) | (11,785)
More than 12 months, unrealized losses | (16,738) | (12,832)
Total, unrealized losses | (21,158) | (24,617)
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
Federal Agency Mortgage-backed Securities [Member] |  |
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract] |  |
Less than 12 months, fair value | 13,826 | 38,380
More than 12 months, fair value | 58,935 | 35,526
Total, fair value | 72,761 | 73,906
Less than 12 months, unrealized losses | (562) | (4,807)
More than 12 months, unrealized losses | (9,257) | (5,981)
Total, unrealized losses | (9,819) | (10,788)
Federal Agency Collateralized Mortgage Obligations (CMO) [Member] |  |
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract] |  |
Less than 12 months, fair value | 20,691 | 20,997
More than 12 months, fair value | 5,058 | 5,103
Total, fair value | 25,749 | 26,100
Less than 12 months, unrealized losses | (663) | (885)
More than 12 months, unrealized losses | (665) | (791)
Total, unrealized losses | (1,328) | (1,676)
Federal Agency Debt [Member] |  |
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract] |  |
Less than 12 months, fair value | 23,548 | 26,383
More than 12 months, fair value | 28,482 | 21,956
Total, fair value | 52,030 | 48,339
Less than 12 months, unrealized losses | (580) | (1,529)
More than 12 months, unrealized losses | (3,124) | (2,759)
Total, unrealized losses | (3,704) | (4,288)
Municipal Bonds [Member] |  |
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract] |  |
Less than 12 months, fair value | 0 | 2,176
More than 12 months, fair value | 4,299 | 2,021
Total, fair value | 4,299 | 4,197
Less than 12 months, unrealized losses | 0 | (315)
More than 12 months, unrealized losses | (559) | (354)
Total, unrealized losses | (559) | (669)
US Treasuries [Member] |  |
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract] |  |
Less than 12 months, fair value | 135,522 | 143,989
More than 12 months, fair value | 26,574 | 16,600
Total, fair value | 162,096 | 160,589
Less than 12 months, unrealized losses | (2,615) | (3,884)
More than 12 months, unrealized losses | (1,544) | (1,524)
Total, unrealized losses | (4,159) | (5,408)
SBA Pools [Member] |  |
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract] |  |
Less than 12 months, fair value | 0 | 3,743
More than 12 months, fair value | 10,106 | 6,763
Total, fair value | 10,106 | 10,506
Less than 12 months, unrealized losses | 0 | (365)
More than 12 months, unrealized losses | (1,589) | (1,423)
Total, unrealized losses | $ (1,589) | $ (1,788)

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