Securities, Amortized Costs and Fair Values with Gross Unrealized Gains and Losses (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	$ 230,541	$ 251,806
Gross unrealized gains	182	10
Gross unrealized (losses)	(30,106)	(26,298)
Fair value	200,617	225,518
U.S. Treasury Securities [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	4,075	8,013
Gross unrealized gains	0	0
Gross unrealized (losses)	(298)	(342)
Fair value	3,777	7,671
Obligations of U.S. Government Agencies [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	45,160	43,622
Gross unrealized gains	182	10
Gross unrealized (losses)	(787)	(1,233)
Fair value	44,555	42,399
Obligations of State and Political Subdivisions [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	58,394	70,491
Gross unrealized gains	0	0
Gross unrealized (losses)	(11,739)	(11,107)
Fair value	46,655	59,384
Mortgage-backed Securities [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	93,016	99,874
Gross unrealized gains	0	0
Gross unrealized (losses)	(13,238)	(10,961)
Fair value	79,778	88,913
Money Market Investments [Member]
Debt Securities, Available-for-sale [Abstract]
Amortized Cost	1,906	1,816
Gross unrealized gains	0	0
Gross unrealized (losses)	0	0
Fair value	1,906	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)	(4,044)	(2,655)
Fair value	$ 23,946	$ 25,335