Securities, Amortized Costs and Fair Values with Gross Unrealized Gains and Losses (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	$ 247,249	$ 251,806
Gross unrealized gains	24	10
Gross unrealized (losses)	(23,360)	(26,298)
Fair value	223,913	225,518
U.S. Treasury Securities [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	8,013	8,013
Gross unrealized gains	0	0
Gross unrealized (losses)	(265)	(342)
Fair value	7,748	7,671
Obligations of U.S. Government Agencies [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	40,680	43,622
Gross unrealized gains	24	10
Gross unrealized (losses)	(963)	(1,233)
Fair value	39,741	42,399
Obligations of State and Political Subdivisions [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	70,351	70,491
Gross unrealized gains	0	0
Gross unrealized (losses)	(9,698)	(11,107)
Fair value	60,653	59,384
Mortgage-backed Securities [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	98,554	99,874
Gross unrealized gains	0	0
Gross unrealized (losses)	(9,858)	(10,961)
Fair value	88,696	88,913
Money Market Investments [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	1,661	1,816
Gross unrealized gains	0	0
Gross unrealized (losses)	0	0
Fair value	1,661	1,816
Corporate Bonds and Other Securities [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	27,990	27,990
Gross unrealized gains	0	0
Gross unrealized (losses)	(2,576)	(2,655)
Fair value	$ 25,414	$ 25,335