Securities, Unrealized Loss Position (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2024	Dec. 31, 2023
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 53,852	$ 3,304
More than 12 months, fair value	237,479	312,424
Total, fair value	291,331	315,728
Less than 12 months, unrealized losses	(1,058)	(38)
More than 12 months, unrealized losses	(18,785)	(18,997)
Total, unrealized losses	(19,843)	(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
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	63,839	66,575
Total, fair value	63,839	66,575
Less than 12 months, unrealized losses	0	0
More than 12 months, unrealized losses	(10,212)	(9,316)
Total, unrealized losses	(10,212)	(9,316)
Federal Agency Collateralized Mortgage Obligations (CMO) [Member]
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract]
Less than 12 months, fair value	0	0
More than 12 months, fair value	21,753	23,339
Total, fair value	21,753	23,339
Less than 12 months, unrealized losses	0	0
More than 12 months, unrealized losses	(1,455)	(1,381)
Total, unrealized losses	(1,455)	(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	47,846	44,818
Total, fair value	47,846	47,836
Less than 12 months, unrealized losses	0	(37)
More than 12 months, unrealized losses	(3,099)	(3,020)
Total, unrealized losses	(3,099)	(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	4,351	4,373
Total, fair value	4,351	4,373
Less than 12 months, unrealized losses	0	0
More than 12 months, unrealized losses	(473)	(460)
Total, unrealized losses	(473)	(460)
US Treasuries [Member]
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract]
Less than 12 months, fair value	53,568	0
More than 12 months, fair value	90,875	163,880
Total, fair value	144,443	163,880
Less than 12 months, unrealized losses	(1,057)	0
More than 12 months, unrealized losses	(1,804)	(3,175)
Total, unrealized losses	(2,861)	(3,175)
SBA Pools [Member]
Debt Securities Available-for-Sale, Unrealized Loss Position [Abstract]
Less than 12 months, fair value	284	286
More than 12 months, fair value	8,815	9,439
Total, fair value	9,099	9,725
Less than 12 months, unrealized losses	(1)	(1)
More than 12 months, unrealized losses	(1,742)	(1,645)
Total, unrealized losses	$ (1,743)	$ (1,646)