Financial Transactions with Off-Balance-Sheet Risk and Concentrations of Credit Risk - Schedule of Loan Commitments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Concentration Risk [Line Items]
Loan commitments	$ 254,401	$ 284,942
Residential real estate
Concentration Risk [Line Items]
Loan commitments	55,852	115,998
Multifamily
Concentration Risk [Line Items]
Loan commitments	50,175	19,770
Commercial real estate
Concentration Risk [Line Items]
Loan commitments	17,621	54,178
Commercial business
Concentration Risk [Line Items]
Loan commitments	24,846	27,773
Construction
Concentration Risk [Line Items]
Loan commitments	100,430	58,069
Home equity loans and advances
Concentration Risk [Line Items]
Loan commitments	$ 5,477	$ 9,154