FHLB Advances and Other Borrowings - Additional Information (Details) - USD ($)				6 Months Ended
	Mar. 12, 2024	Mar. 11, 2024	Mar. 31, 2022	Jun. 30, 2024	Dec. 31, 2023
Federal Home Loan Bank Advances [Line Items]
Revolving line of credit facility				$ 36,875,000	$ 38,875,000
Borrowing capacity available under federal reserve borrower in custody loan pledge arrangement				1,300,000,000	1,200,000,000
Borrowing capacity available under federal home loan bank stock and real estate loans				652,000,000	565,100,000
Letters Of credit amount issued				418,000,000
Federal funds				0	0
Maximum borrowing capacity under federal fund line of credit				36,500,000	36,500,000
FHLB advances outstanding				$ 0	0
Minimum
Federal Home Loan Bank Advances [Line Items]
Federal home loan bank letter of credit expiration date				2024-07
Maximum
Federal Home Loan Bank Advances [Line Items]
Federal home loan bank letter of credit expiration date				2025-10
Line of Credit
Federal Home Loan Bank Advances [Line Items]
Federal reserve borrower in custody loan pledge arrangement amount of advances outstanding				$ 0	0
Senior Secured Promissory Notes
Federal Home Loan Bank Advances [Line Items]
Promissory note				$ 36,900,000	38,900,000
Promissory note maturity date	Mar. 10, 2026	Sep. 10, 2024
Frequency of periodic interest payment				Interest continues to be payable quarterly on the 10th day of March, June, September and December through maturity date of March 10, 2026.
Secured percentage of debt				100.00%
Senior Secured Promissory Notes | US Prime Rate
Federal Home Loan Bank Advances [Line Items]
Interest rate	5.00%	5.00%
Debt instrument, basis spread on variable rate	0.625%	0.50%
Senior Secured Promissory Note One
Federal Home Loan Bank Advances [Line Items]
Line of credit facility, current borrowing capacity	$ 55,000,000	$ 50,000,000
Increase in line of credit facility	$ 5,000,000
Subordinated Notes due 2032
Federal Home Loan Bank Advances [Line Items]
Promissory note maturity date				Apr. 01, 2032
Debt instrument fixed interest rate			5.50%	5.50%
Frequency of periodic interest payment				the Company will pay interest on the Notes semi-annually in arrears on April 1 and October 1 of each year, commencing on October 1, 2022, at a fixed interest rate of 5.500% per annum.
Subordinated notes aggregate principal amount			$ 82,300,000
Unamortized debt issuance costs			$ 2,100,000	$ 1,600,000	1,700,000
Outstanding principal				$ 82,300,000	$ 82,300,000
Amortization period for debt issuance costs				10 years
Deb instrument, redemption price				100.00%
Debt redemption start date				Apr. 01, 2027
Subordinated notes description				The floating interest rate will be reset quarterly, and the interest rate for any Floating Rate Period shall be equal to the then-current Three-Month Term Secured Overnight Financing Rate (“SOFR”) plus 315 basis points for each quarterly interest period during the Floating Rate Period. Interest payable on the Notes during the Floating Rate Period will be paid quarterly in arrears on January 1, April 1, July 1 and October 1, of each year, commencing on July 1, 2027. Notwithstanding the foregoing, in the event that Three-Month Term SOFR is less than zero, then Three-Month Term SOFR rate shall be deemed to be zero.
Subordinated notes variable interest rate percentage				plus 315 basis points
Subordinated notes commencement date				Oct. 01, 2022
Debt instrument purchasers price equal to face amount			100.00%