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Loans Receivable and Allowance for Credit Losses (Delinquency Status of Total Loans) (Details) - USD ($)	Sep. 30, 2025	Dec. 31, 2024	Sep. 30, 2024	Sep. 30, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	$ 2,828,933,000	$ 3,033,784,000	$ 3,125,647,000	$ 3,322,139,000
Loans Receivable >90 Days and Accruing	280,000	7,726,000
Total Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	174,006,000	76,703,000
30 To 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	56,179,000	29,193,000
60 To 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	34,877,000	8,552,000
Greater Than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	82,950,000	38,958,000
Current [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	2,654,927,000	2,957,081,000
Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	227,140,000	239,870,000	241,050,000	251,845,000
Commercial & Multi-family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	2,080,088,000	2,155,929,000	2,205,600,000	2,349,664,000
Loans Receivable >90 Days and Accruing		6,049,000
Cannabis Related [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	69,102,000	103,206,000	103,396,000	108,204,000
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	105,980,000	130,589,000	142,024,000	180,340,000
Commercial Business [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	192,762,000	242,239,000	264,745,000	261,135,000
Business Express [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	78,253,000	92,947,000	98,957,000	101,258,000
Loans Receivable >90 Days and Accruing	244,000	1,677,000
Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	73,566,000	66,769,000	67,566,000	66,046,000
Loans Receivable >90 Days and Accruing	36,000
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	2,042,000	2,235,000	$ 2,309,000	$ 3,647,000
Originated loans [Member] | Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	227,140,000	239,870,000
Loans Receivable >90 Days and Accruing
Originated loans [Member] | Residential [Member] | Total Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	5,081,000	3,531,000
Originated loans [Member] | Residential [Member] | 30 To 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	4,779,000	3,229,000
Originated loans [Member] | Residential [Member] | 60 To 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable
Originated loans [Member] | Residential [Member] | Greater Than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	302,000	302,000
Originated loans [Member] | Residential [Member] | Current [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	222,059,000	236,339,000
Originated loans [Member] | Commercial & Multi-family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	2,080,088,000	2,155,929,000
Loans Receivable >90 Days and Accruing		6,049,000
Originated loans [Member] | Commercial & Multi-family [Member] | Total Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	110,220,000	41,855,000
Originated loans [Member] | Commercial & Multi-family [Member] | 30 To 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	28,596,000	8,279,000
Originated loans [Member] | Commercial & Multi-family [Member] | 60 To 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	19,044,000	2,673,000
Originated loans [Member] | Commercial & Multi-family [Member] | Greater Than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	62,580,000	30,903,000
Originated loans [Member] | Commercial & Multi-family [Member] | Current [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	1,969,868,000	2,114,074,000
Originated loans [Member] | Cannabis Related [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	69,102,000	103,206,000
Originated loans [Member] | Cannabis Related [Member] | Total Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable
Originated loans [Member] | Cannabis Related [Member] | 30 To 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable
Originated loans [Member] | Cannabis Related [Member] | 60 To 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable
Originated loans [Member] | Cannabis Related [Member] | Greater Than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable
Originated loans [Member] | Cannabis Related [Member] | Current [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	69,102,000	103,206,000
Originated loans [Member] | Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	105,980,000	130,589,000
Loans Receivable >90 Days and Accruing
Originated loans [Member] | Construction [Member] | Total Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	31,302,000	2,415,000
Originated loans [Member] | Construction [Member] | 30 To 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	14,996,000
Originated loans [Member] | Construction [Member] | 60 To 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	13,996,000	1,829,000
Originated loans [Member] | Construction [Member] | Greater Than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	2,310,000	586,000
Originated loans [Member] | Construction [Member] | Current [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	74,678,000	128,174,000
Originated loans [Member] | Commercial Business [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	192,762,000	242,239,000
Loans Receivable >90 Days and Accruing
Originated loans [Member] | Commercial Business [Member] | Total Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	21,035,000	13,500,000
Originated loans [Member] | Commercial Business [Member] | 30 To 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	3,633,000	9,125,000
Originated loans [Member] | Commercial Business [Member] | 60 To 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	1,238,000	580,000
Originated loans [Member] | Commercial Business [Member] | Greater Than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	16,164,000	3,795,000
Originated loans [Member] | Commercial Business [Member] | Current [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	171,727,000	228,739,000
Originated loans [Member] | Business Express [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	78,253,000	92,947,000
Loans Receivable >90 Days and Accruing	244,000	1,677,000
Originated loans [Member] | Business Express [Member] | Total Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	4,058,000	13,307,000
Originated loans [Member] | Business Express [Member] | 30 To 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	2,344,000	6,714,000
Originated loans [Member] | Business Express [Member] | 60 To 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	599,000	3,452,000
Originated loans [Member] | Business Express [Member] | Greater Than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	1,115,000	3,141,000
Originated loans [Member] | Business Express [Member] | Current [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	74,195,000	79,640,000
Originated loans [Member] | Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	73,566,000	66,769,000
Loans Receivable >90 Days and Accruing	36,000
Originated loans [Member] | Home Equity [Member] | Total Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	2,310,000	2,095,000
Originated loans [Member] | Home Equity [Member] | 30 To 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	1,831,000	1,846,000
Originated loans [Member] | Home Equity [Member] | 60 To 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable		18,000
Originated loans [Member] | Home Equity [Member] | Greater Than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	479,000	231,000
Originated loans [Member] | Home Equity [Member] | Current [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	71,256,000	64,674,000
Originated loans [Member] | Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	2,042,000	2,235,000
Loans Receivable >90 Days and Accruing
Originated loans [Member] | Consumer [Member] | Total Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable
Originated loans [Member] | Consumer [Member] | 30 To 59 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable
Originated loans [Member] | Consumer [Member] | 60 To 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable
Originated loans [Member] | Consumer [Member] | Greater Than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable
Originated loans [Member] | Consumer [Member] | Current [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans Receivable	$ 2,042,000	$ 2,235,000

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