Allowance for Credit Losses - Loans - Additional information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Provision (Recovery)	$ 183,000	$ 34,000	$ (110,000)	$ 335,000
Net unfavorable shift				445,000
Increase in provision expense	$ 12,700,000
Net loan charge-offs			$ 332,000	$ 61,000
Percentage of charge-offs			0.06%	0.01%
Percentage of coverage on non-performing assets	114.00%		114.00%		121.00%
Percentage Of Allowance For Total Loans	1.41%		1.41%		1.45%
Percentage of general reserve	47.00%
Percentage of quantitative reserve	53.00%
Evaluated for impairment	$ 150,000		$ 150,000
Amount of ufavorable shift	(28,000)
Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum individual loan balance requiring quarterly review	2,000,000		2,000,000
Special Mention
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum individual loan balance requiring quarterly review	250,000		250,000
Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum individual loan balance requiring quarterly review	250,000		250,000
Doubtful
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum individual loan balance requiring quarterly review	100,000		100,000
Commercial | Commercial loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Minimum aggregate balances for commercial loan relationship under structure loan rating process.	1,000,000		$ 1,000,000
Minimum percent of portfolio to be reviewed			37.00%
Non-performing
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total non-performing assets	$ 12,817,000		$ 12,817,000		$ 12,393,000
Non-performing assets as a percent of loans	1.23%		1.23%