Available-for-Sale Securities - Investment Securities in a Continuous Loss Position (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale [Line Items]
Less than 12 Months, Fair Value	$ 21,629	$ 19,124
Less than 12 Months, Unrealized (Loss)	(873)	(1,107)
12 Months or Longer, Fair Value	66,635	63,632
Less than 12 Months, Unrealized (Loss)	(18,536)	(19,985)
Fair Value	88,264	82,756
Unrealized (Loss)	(19,409)	(21,092)
U. S. Government agency and mortgage-backed securities
Debt Securities, Available-for-Sale [Line Items]
Less than 12 Months, Fair Value	15,559	11,126
Less than 12 Months, Unrealized (Loss)	(560)	(633)
12 Months or Longer, Fair Value	48,506	47,920
Less than 12 Months, Unrealized (Loss)	(12,991)	(13,801)
Fair Value	64,065	59,046
Unrealized (Loss)	(13,551)	(14,434)
Corporate bonds
Debt Securities, Available-for-Sale [Line Items]
Less than 12 Months, Fair Value	1,967	1,959
Less than 12 Months, Unrealized (Loss)	(48)	(64)
12 Months or Longer, Fair Value	11,695	10,934
Less than 12 Months, Unrealized (Loss)	(4,300)	(5,061)
Fair Value	13,662	12,893
Unrealized (Loss)	(4,348)	(5,125)
Subordinated notes
Debt Securities, Available-for-Sale [Line Items]
Less than 12 Months, Fair Value	2,748	4,602
Less than 12 Months, Unrealized (Loss)	(252)	(398)
12 Months or Longer, Fair Value	1,773	0
Less than 12 Months, Unrealized (Loss)	(227)	0
Fair Value	4,521	4,602
Unrealized (Loss)	(479)	(398)
SBA loan pools
Debt Securities, Available-for-Sale [Line Items]
Less than 12 Months, Fair Value	1,355	1,437
Less than 12 Months, Unrealized (Loss)	(13)	(12)
12 Months or Longer, Fair Value	4,150	4,280
Less than 12 Months, Unrealized (Loss)	(969)	(1,061)
Fair Value	5,505	5,717
Unrealized (Loss)	(982)	(1,073)
Municipal bonds
Debt Securities, Available-for-Sale [Line Items]
Less than 12 Months, Fair Value	0	0
Less than 12 Months, Unrealized (Loss)	0	0
12 Months or Longer, Fair Value	511	498
Less than 12 Months, Unrealized (Loss)	(49)	(62)
Fair Value	511	498
Unrealized (Loss)	$ (49)	$ (62)