Debt Securities, Amortized Cost and Fair Value of Debt Securities (Details) - USD ($) $ in Thousands		Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Available-for-sale [Abstract]
Amortized cost		$ 203,865	$ 84,693
Gross unrealized gains		0	120
Gross unrealized losses		(5,509)	(5)
Fair value		198,356	84,808	$ 0
Available-for-sale Securities [Member]
Available-for-sale [Abstract]
Amortized cost		203,865	84,693
Gross unrealized gains		0	120
Gross unrealized losses		(5,509)	(5)
Fair value		198,356	84,808
U.S. Federal Agencies [Member]
Available-for-sale [Abstract]
Amortized cost		254	311
Gross unrealized gains		0	2
Gross unrealized losses		(3)	0
Fair value		251	313
Mortgage-Backed Securities [Member]
Available-for-sale [Abstract]
Amortized cost	[1]	57,697	33,085
Gross unrealized gains	[1]	0	69
Gross unrealized losses	[1]	(2,021)	0
Fair value	[1]	55,676	33,154
State and Political Subdivisions [Member]
Available-for-sale [Abstract]
Amortized cost		34,369	45,245
Gross unrealized gains		0	49
Gross unrealized losses		(1,406)	0
Fair value		32,963	45,294
U.S. Treasuries [Member]
Available-for-sale [Abstract]
Amortized cost		106,045	6,052
Gross unrealized gains		0	0
Gross unrealized losses		(1,990)	(5)
Fair value		104,055	6,047
Corporate Debt Securities [Member]
Available-for-sale [Abstract]
Amortized cost		5,500	0
Gross unrealized gains		0	0
Gross unrealized losses		(89)	0
Fair value		$ 5,411	$ 0

[1] All of our mortgage-backed securities and collateralized mortgage obligations are issued and/or guaranteed by U.S. government agencies or U.S. government-sponsored entities.