Investment Securities - Available-for-sale Securities in a Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Marketable Securities [Line Items]
Less than twelve continuous months, fair value	$ 32,552	$ 89,921
Less than twelve continuous months, unrealized loss	(4,733)	(1,223)
Twelve continuous months or longer, fair value	78,693	15,206
Twelve continuous months or longer, unrealized loss	(14,469)	(262)
Total securities in a loss position, fair value	111,245	105,127
Total securities in a loss position, unrealized loss	(19,202)	(1,485)
U.S. government agencies
Marketable Securities [Line Items]
Less than twelve continuous months, fair value	3,090	0
Less than twelve continuous months, unrealized loss	(125)	0
Twelve continuous months or longer, fair value	8,392	13,399
Twelve continuous months or longer, unrealized loss	(100)	(202)
Total securities in a loss position, fair value	11,482	13,399
Total securities in a loss position, unrealized loss	(225)	(202)
Mortgage-backed securities
Marketable Securities [Line Items]
Less than twelve continuous months, fair value	4,360	73,972
Less than twelve continuous months, unrealized loss	(470)	(1,046)
Twelve continuous months or longer, fair value	56,908	1,400
Twelve continuous months or longer, unrealized loss	(11,371)	(52)
Total securities in a loss position, fair value	61,268	75,372
Total securities in a loss position, unrealized loss	(11,841)	(1,098)
Obligations of states and political subdivisions
Marketable Securities [Line Items]
Less than twelve continuous months, fair value	24,707	14,014
Less than twelve continuous months, unrealized loss	(4,097)	(112)
Twelve continuous months or longer, fair value	11,670	407
Twelve continuous months or longer, unrealized loss	(2,721)	(8)
Total securities in a loss position, fair value	36,377	14,421
Total securities in a loss position, unrealized loss	(6,818)	(120)
Collateralized mortgage obligations
Marketable Securities [Line Items]
Less than twelve continuous months, fair value	395
Less than twelve continuous months, unrealized loss	(41)
Twelve continuous months or longer, fair value	0
Twelve continuous months or longer, unrealized loss	0
Total securities in a loss position, fair value	395
Total securities in a loss position, unrealized loss	(41)
Corporate bonds
Marketable Securities [Line Items]
Less than twelve continuous months, fair value	0	1,935
Less than twelve continuous months, unrealized loss	0	(65)
Twelve continuous months or longer, fair value	1,723	0
Twelve continuous months or longer, unrealized loss	(277)	0
Total securities in a loss position, fair value	1,723	1,935
Total securities in a loss position, unrealized loss	$ (277)	$ (65)