Financial Instruments With Off-balance Sheet Risk - Financial Instruments With Credit Risk (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Ceded Credit Risk [Line Items]
Commitments to extend credit	$ 103,909	$ 92,530
Unused lines of credit
Ceded Credit Risk [Line Items]
Commitments to extend credit	77,242	63,435
Undisbursed construction loans
Ceded Credit Risk [Line Items]
Commitments to extend credit	861	2,607
Home equity lines of credit
Ceded Credit Risk [Line Items]
Commitments to extend credit	$ 25,806	$ 26,488