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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)