FHLB Advances and Other Borrowings (Narrative) (Details)	6 Months Ended	12 Months Ended
	Dec. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($) advance
Debt Instrument [Line Items]
Number of long-term FHLB advances (in advances) | advance			1
FHLB advances, convertible from fixed to adjustable rate	$ 0	$ 0	$ 0
Line of credit, maximum borrowing capacity	15,000,000	15,000,000
Line of credit, outstanding balance	0	0
Junior subordinated debt for Tier 1 capital purposes	$ 34,829,000	$ 34,829,000	$ 34,378,000
SOFR
Debt Instrument [Line Items]
Variable rate (as percent)	0.26161%	2.10%
4.50% Fixed-to-Floating Rate Subordinated Notes due 2029 | SOFR
Debt Instrument [Line Items]
Variable rate (as percent)			0.26161%
Relevant spread adjustment (as percent)		2.68%
4.50% Fixed-to-Floating Rate Subordinated Notes due 2029 | Subordinated Debentures
Debt Instrument [Line Items]
Debt sold and issued	$ 39,545,000	$ 39,545,000	$ 39,462,000
Debt interest rate (as percent)	4.50%	4.50%
Junior Subordinated Debentures | Subordinated Debentures
Debt Instrument [Line Items]
Relevant spread adjustment (as percent)		0.26161%
Minimum
Debt Instrument [Line Items]
Interest rate on FHLB advances (as percent)	1.54%	1.54%	1.54%
Maximum
Debt Instrument [Line Items]
Interest rate on FHLB advances (as percent)	3.57%	3.57%
Weighted Average
Debt Instrument [Line Items]
Interest rate on FHLB advances (as percent)	2.56%	2.56%