FHLB Advances and Other Borrowings (Schedule of Issuance of Subordinated Debentures) (Details) - USD ($)							6 Months Ended	12 Months Ended
	Oct. 16, 2006	Aug. 17, 2005	Jul. 15, 2005	May 06, 2005	Oct. 21, 2004	Mar. 26, 2003	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
SOFR
Debt Instrument [Line Items]
Variable rate (as percent)							0.26161%	2.10%
ACB Trust I
Debt Instrument [Line Items]
Issuance Amount				$ 5,155,000
Carrying Amount at December 31, 2023							$ 4,105,000	$ 4,105,000
Rate as of December 31								7.81%	6.90%
ACB Trust I | SOFR
Debt Instrument [Line Items]
Variable rate (as percent)				2.15%
ACB Trust II
Debt Instrument [Line Items]
Issuance Amount			$ 3,093,000
Carrying Amount at December 31, 2023							2,420,000	$ 2,420,000
Rate as of December 31								7.49%	6.54%
ACB Trust II | SOFR
Debt Instrument [Line Items]
Variable rate (as percent)			1.85%
RIVR Statutory Trust I
Debt Instrument [Line Items]
Issuance Amount						$ 7,217,000
Carrying Amount at December 31, 2023							6,240,000	$ 6,240,000
Rate as of December 31								8.77%	7.87%
RIVR Statutory Trust I | SOFR
Debt Instrument [Line Items]
Variable rate (as percent)						3.15%
Citizens First Statutory Trust I
Debt Instrument [Line Items]
Issuance Amount	$ 5,155,000
Carrying Amount at December 31, 2023							4,302,000	$ 4,302,000
Rate as of December 31								7.31%	5.39%
Citizens First Statutory Trust I | SOFR
Debt Instrument [Line Items]
Variable rate (as percent)	1.65%
CUB Capital Trust I
Debt Instrument [Line Items]
Issuance Amount					$ 10,310,000
Carrying Amount at December 31, 2023							9,642,000	$ 9,642,000
Rate as of December 31								7.64%	6.69%
CUB Capital Trust I | SOFR
Debt Instrument [Line Items]
Variable rate (as percent)					2.00%
CUB Capital Trust II
Debt Instrument [Line Items]
Issuance Amount		$ 10,310,000
Carrying Amount at December 31, 2023							$ 9,073,000	$ 9,073,000
Rate as of December 31								7.16%	5.58%
CUB Capital Trust II | SOFR
Debt Instrument [Line Items]
Variable rate (as percent)		1.50%