Fair Value Measurements (Schedule of Carrying Amounts and Estimated Fair Values of Financial Instruments, Held or Issued for Purposes Other Than Trading) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financial assets:
Debt securities available-for-sale	$ 28,600	$ 36,837
Federal Home Loan Bank of Boston stock	4,266	785
Loans, net	1,416,047	1,433,803
Accrued interest receivable	6,597	5,703
Other repossessed assets	6,051
Financial liabilities:
Deposits	1,279,582	1,459,895
Borrowings	18,329	13,500
Carrying Amount [Member]
Financial assets:
Cash and cash equivalents	80,629	153,115
Debt securities available-for-sale	28,600	36,837
Federal Home Loan Bank of Boston stock	4,266	785
Loans and loans held for sale, net		1,456,649
Loans, net	1,416,047
Accrued interest receivable	6,597	5,703
Other repossessed assets	6,051
Financial liabilities:
Deposits	1,279,582	1,459,895
Borrowings	126,829	13,500
Fair Value [Member]
Financial assets:
Cash and cash equivalents	80,629	153,115
Debt securities available-for-sale	28,600	36,837
Loans and loans held for sale, net		1,468,013
Loans, net	1,341,633
Accrued interest receivable	6,597	5,703
Other repossessed assets	6,051
Financial liabilities:
Deposits	1,279,665	1,459,841
Borrowings	124,590	13,698
Quoted Prices In Active Markets Identical Assets Level 1 [Member] \| Fair Value [Member]
Financial assets:
Cash and cash equivalents	80,629	153,115
Significant Other Observable Inputs Level 2 [Member] \| Fair Value [Member]
Financial assets:
Debt securities available-for-sale	28,600	36,837
Accrued interest receivable	6,597	5,703
Financial liabilities:
Deposits	1,279,665	1,459,841
Borrowings	124,590	13,698
Significant Unobservable Inputs Level 3 [Member] \| Fair Value [Member]
Financial assets:
Loans and loans held for sale, net		$ 1,468,013
Loans, net	1,341,633
Other repossessed assets	$ 6,051

Loans And Leases Receivable, Net Reported Amount, Including Loans Held For Sale

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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