Loans Receivable and Allowance for Credit Losses (Schedule of Charge Offs) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Loans	$ 3,626	$ 3,263
Mortgage loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Current fiscal year, writeoff	0	0
Fiscal year before current fiscal year, writeoff	201	0
Two years before current fiscal year, writeoff	0	0
Three years before current fiscal year, writeoff	0	358
Four years before current fiscal year, writeoff	0	0
More than five years before current fiscal year, writeoff	234	532
Total Loans	435	890
Mortgage loans \| Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Current fiscal year, writeoff	0	0
Fiscal year before current fiscal year, writeoff	0	0
Two years before current fiscal year, writeoff	0	0
Three years before current fiscal year, writeoff	0	358
Four years before current fiscal year, writeoff	0	0
More than five years before current fiscal year, writeoff	234	532
Total Loans	234	890
Mortgage loans \| Multi-family
Financing Receivable, Troubled Debt Restructuring [Line Items]
Current fiscal year, writeoff	0
Fiscal year before current fiscal year, writeoff	201
Two years before current fiscal year, writeoff	0
Three years before current fiscal year, writeoff	0
Four years before current fiscal year, writeoff	0
More than five years before current fiscal year, writeoff	0
Total Loans	201
Commercial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Current fiscal year, writeoff	0	0
Fiscal year before current fiscal year, writeoff	1,323	0
Two years before current fiscal year, writeoff	0	0
Three years before current fiscal year, writeoff	167	2,130
Four years before current fiscal year, writeoff	1,336	65
More than five years before current fiscal year, writeoff	28	0
Total Loans	2,854	2,195
Consumer loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Current fiscal year, writeoff	10	12
Fiscal year before current fiscal year, writeoff	0	10
Two years before current fiscal year, writeoff	0	12
Three years before current fiscal year, writeoff	0	3
Four years before current fiscal year, writeoff	12	0
More than five years before current fiscal year, writeoff	108	26
Total Loans	130	63
Total gross loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Current fiscal year, writeoff	10	12
Fiscal year before current fiscal year, writeoff	1,524	10
Two years before current fiscal year, writeoff	0	12
Three years before current fiscal year, writeoff	167	2,491
Four years before current fiscal year, writeoff	1,348	65
More than five years before current fiscal year, writeoff	370	558
Total Loans	3,419	3,148
Consumer loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Loans	337	178
Consumer loans \| Overdraft accounts
Financing Receivable, Troubled Debt Restructuring [Line Items]
Total Loans	$ 207	$ 115

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 1: http://www.xbrl.org/2003/role/exampleRef
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