Investment Securities, Amortized Cost and Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale:
Amortized Cost	$ 325,042	$ 327,731
Unrealized Gains	10	19
Unrealized Losses	31,625	37,900
Fair Value	(293,427)	(289,850)
Debt Securities, Held-to-Maturity:
Amortized Cost	19,770	19,878
Unrealized Gains	10	10
Unrealized Losses	1,338	1,003
Fair Value	18,442	18,885
Equity Securities, Amortized Cost Basis	1,401	2,207
Equity securities with a readily determinable fair value, at fair value	1,286	2,273
U.S. Treasury notes [Member]
Debt Securities, Available-for-Sale:
Amortized Cost	84,865	84,927
Unrealized Gains	0	0
Unrealized Losses	6,968	8,480
Fair Value	(77,897)	(76,447)
U.S. Agency notes [Member]
Debt Securities, Available-for-Sale:
Amortized Cost	89,093	89,160
Unrealized Gains	0	0
Unrealized Losses	9,257	11,184
Fair Value	(79,836)	(77,976)
U.S. Agency mortgage-backed securities [Member]
Debt Securities, Available-for-Sale:
Amortized Cost	88,229	90,746
Unrealized Gains	8	5
Unrealized Losses	9,847	11,311
Fair Value	(78,390)	(79,440)
Debt Securities, Held-to-Maturity:
Amortized Cost	0
Fair Value	0
Non-taxable Municipal securities [Member]
Debt Securities, Available-for-Sale:
Amortized Cost	8,872	8,892
Unrealized Gains	0	0
Unrealized Losses	284	368
Fair Value	(8,588)	(8,524)
Debt Securities, Held-to-Maturity:
Amortized Cost	16,339	16,447
Unrealized Gains	10	10
Unrealized Losses	984	594
Fair Value	15,365	15,863
Taxable Municipal securities [Member]
Debt Securities, Available-for-Sale:
Amortized Cost	46,533	46,556
Unrealized Gains	2	1
Unrealized Losses	4,446	5,779
Fair Value	(42,089)	(40,778)
Debt Securities, Held-to-Maturity:
Amortized Cost	3,431	3,431
Unrealized Gains	0	0
Unrealized Losses	354	409
Fair Value	3,077	3,022
Mutual funds [Member]
Debt Securities, Held-to-Maturity:
Equity Securities, Amortized Cost Basis	1,391	1,429
Equity securities with a readily determinable fair value, at fair value	1,219	1,234
Equity securities [Member]
Debt Securities, Held-to-Maturity:
Equity Securities, Amortized Cost Basis	10	778
Equity securities with a readily determinable fair value, at fair value	67	1,039
Corporate Debt Securities
Debt Securities, Available-for-Sale:
Amortized Cost	7,450	7,450
Unrealized Gains	0	13
Unrealized Losses	823	778
Fair Value	$ (6,627)	$ (6,685)