Financial Instruments with Off-Balance Sheet Risk (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financial Instruments with Off Balance Sheet Risk
Off-balance sheet risk	$ 843,560	$ 819,520
Commitments to extend credit
Financial Instruments with Off Balance Sheet Risk
Off-balance sheet risk	830,636	806,431
Standby letters of credit
Financial Instruments with Off Balance Sheet Risk
Off-balance sheet risk	$ 12,924	$ 13,089