Investment Securities, Maturities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Available-for-Sale, Amortized Cost
Due within one year	$ 15,909
Due from one to five years	163,735
Due from five to ten years	33,035
Due after ten years	0
Amortized Cost Basis	212,679
Amortized Cost	292,406	$ 304,805
Available-for-Sale, Fair Value
Due within one year	15,531
Due from one to five years	148,059
Due from five to ten years	29,403
Due after ten years	0
Total available-for-sale, maturities	192,993
Fair Value	262,786	276,601
Held-to-Maturity, Amortized Cost
Due within one year	1,469
Due from one to five years	1,319
Due from five to ten years	2,849
Due after ten years	11,114
Amortized Cost	16,751	16,863
Held-to-Maturity, Fair Value
Due within one year	1,449
Due from one to five years	1,281
Due from five to ten years	2,699
Due after ten years	10,082
Held-to-maturity, fair value	15,511	15,679
U.S. Agency mortgage-backed securities
Available-for-Sale, Amortized Cost
Amortized Cost	79,727	81,634
Available-for-Sale, Fair Value
Fair Value	69,793	$ 72,790
Held-to-Maturity, Amortized Cost
Amortized Cost	0
Held-to-Maturity, Fair Value
Held-to-maturity, fair value	$ 0