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Loans Receivable and Allowance for Loan Losses (Narrative) (Details)	6 Months Ended
	Jun. 30, 2023 USD ($) property	Dec. 31, 2022 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Real Estate Acquired Through Foreclosure	$ 387,000	$ 346,000
Financing Receivable, before Allowance for Credit Loss	1,577,983,000	1,474,424,000
Proceeds from Sale of Mortgage Loans Held-for-sale	$ 1,234,000
Single Property [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of property recognized write-down | property	1
Realizable Value Of Property Writedown	$ 54,000
Number Of Properties Under Foreclosure Proceedings | property	1
Mortgage Loans in Process of Foreclosure, Amount	$ 290,000
Multiple Properties [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number Of Properties Disposed By Sale | property	2
Real Estate Disposal Through Foreclosure	$ 195,000
Residential Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number Of Properties Under Foreclosure Proceedings | property	3
Mortgage Loans in Process of Foreclosure, Amount	$ 168,000
Financing Receivable, before Allowance for Credit Loss	307,462,000	298,813,000
Residential Real Estate Loans [Member] | Hospitality Lodging Industry [Member] | Loans Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 121,800,000
Concentration Risk, Percentage	7.70%
Commercial Real Estate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 670,353,000	$ 651,544,000
Commercial Real Estate Loans [Member] | Commercial Rentals [Member] | Loans Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, before Allowance for Credit Loss	$ 146,500,000
Concentration Risk, Percentage	9.30%
Minimum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Annual Loan Review threshold, amount	$ 1,500,000

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