Investment Securities, Maturities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Available-for-Sale, Amortized Cost
Due within one year	$ 8,904
Due from one to five years	172,144
Due from five to ten years	48,681
Due after ten years	0
Amortized Cost Basis	229,729
Amortized Cost	313,342	$ 327,731
Available-for-Sale, Fair Value
Due within one year	8,846
Due from one to five years	153,515
Due from five to ten years	41,587
Due after ten years	0
Total available-for-sale, maturities	203,948
Fair Value	274,500	289,850
Held-to-Maturity, Amortized Cost
Due within one year	280
Due from one to five years	3,586
Due from five to ten years	2,440
Due after ten years	12,707
Amortized Cost	19,013	19,878
Held-to-Maturity, Fair Value
Due within one year	281
Due from one to five years	3,444
Due from five to ten years	2,184
Due after ten years	11,014
Held-to-maturity, fair value	16,923	18,885
U.S. Agency mortgage-backed securities [Member]
Available-for-Sale, Amortized Cost
Amortized Cost	83,613	90,746
Available-for-Sale, Fair Value
Fair Value	70,552	$ 79,440
Held-to-Maturity, Amortized Cost
Amortized Cost	0
Held-to-Maturity, Fair Value
Held-to-maturity, fair value	$ 0