Loans - Additional Information (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024 USD ($) loan loan_portfolio	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) loan loan_portfolio	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Number of loan portfolios | loan_portfolio	4		4
Allowance increase (decrease), net loan growth	$ 500,000
Allowance increase (decrease), change in macroeconomic conditions	(800,000)
Allowance increase (decrease), due to qualitative factors	400,000
Allowance increase (decrease), due to net charge-offs	600,000
Provision	775,000	$ 948,000	$ 1,392,000	$ 2,502,000
Credit for estimated credit losses on off-balance sheet credit exposures	153,000
Off-balance sheet, credit loss, liability	$ 986,000		$ 986,000
Number of loans individually evaluated for impairment | loan	5		5
Ending Loan Balance - Individually Evaluated	$ 17,100,000	1,963,000	$ 17,100,000	1,963,000	$ 16,754,000
Number of loans with an allowance for credit loss on loans individually evaluated for impairment | loan	0		0
Loans modified during period, amount			$ 0		0
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Provision	$ 1,556,000	339,000	2,058,000	1,339,000
Ending Loan Balance - Individually Evaluated	0	$ 0	0	$ 0	$ 0
Mortgage loans in process of foreclosure, amount	$ 2,400,000		$ 2,400,000
Consumer | Minimum | Automobile Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal repayment terms, period (in years)			3 years
Consumer | Minimum | Credit Card Receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal repayment terms, period (in years)			1 year
Consumer | Maximum | Automobile Loan
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal repayment terms, period (in years)			7 years
Consumer | Maximum | Credit Card Receivable
Financing Receivable, Allowance for Credit Loss [Line Items]
Principal repayment terms, period (in years)			5 years