FHLB Advances and Other Borrowings - Schedule of Issuance of Subordinated Debentures (Details) - USD ($)							12 Months Ended		18 Months Ended
	Oct. 16, 2006	Aug. 17, 2005	Jul. 15, 2005	May 06, 2005	Oct. 21, 2004	Mar. 26, 2003	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024
Debt Instrument [Line Items]
Variable rate (as percent)							2.10%		0.26161%
ACB Trust I
Debt Instrument [Line Items]
Issuance Amount				$ 5,155,000
Carrying Amount at December 31, 2024							$ 4,197,000		$ 4,197,000
Variable rate (as percent)				2.15%
Rate as of December 31							6.74%	7.74%
ACB Trust II
Debt Instrument [Line Items]
Issuance Amount			$ 3,093,000
Carrying Amount at December 31, 2024							$ 2,478,000		2,478,000
Variable rate (as percent)			1.85%
Rate as of December 31							6.63%	7.49%
RIVR Statutory Trust I
Debt Instrument [Line Items]
Issuance Amount						$ 7,217,000
Carrying Amount at December 31, 2024							$ 6,346,000		6,346,000
Variable rate (as percent)						3.15%
Rate as of December 31							8.07%	8.77%
Citizens First Statutory Trust I
Debt Instrument [Line Items]
Issuance Amount	$ 5,155,000
Carrying Amount at December 31, 2024							$ 4,368,000		4,368,000
Variable rate (as percent)	1.65%
Rate as of December 31							6.50%	7.31%
CUB Capital Trust I
Debt Instrument [Line Items]
Issuance Amount					$ 10,310,000
Carrying Amount at December 31, 2024							$ 9,691,000		9,691,000
Variable rate (as percent)					2.00%
Rate as of December 31							6.78%	7.64%
CUB Capital Trust II
Debt Instrument [Line Items]
Issuance Amount		$ 10,310,000
Carrying Amount at December 31, 2024							$ 9,158,000		$ 9,158,000
Variable rate (as percent)		1.50%
Rate as of December 31							7.06%	7.16%