Restrictions on Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Noninterest bearing accounts
Cash and Cash Equivalents [Line Items]
Uninsured cash accounts	$ 552	$ 691
Federal Reserve Bank of Boston
Cash and Cash Equivalents [Line Items]
Uninsured cash accounts	73,191	33,336
FHLB of Boston
Cash and Cash Equivalents [Line Items]
Uninsured cash accounts	$ 201	$ 187