Loans Receivable and Allowance for Credit Losses (Narrative) (Details)	9 Months Ended
Sep. 30, 2026 USD ($) loan	Dec. 31, 2025 USD ($)	Sep. 30, 2025 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 2,251,514,000	$ 2,726,523,000	$ 2,828,933,000
Loans held for sale		0
Subsequent default, number \| loan	0
Loans Receivable >90 Days and Accruing	$ 29,000
Business Express [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	64,503,000	74,862,000	78,253,000
Business Express [Member] \| Maximum [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	250,000
Cannabis Related [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	4,070,000	69,293,000	69,102,000
Loans held for sale	42,200,000
Commercial & Multi-family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,753,542,000	2,040,768,000	2,080,088,000
Loans held for sale	13,800,000
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	13,434,000	68,521,000	105,980,000
Loans held for sale	10,800,000
Commercial Business [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	126,172,000	$ 168,459,000	$ 192,762,000
Loans held for sale	743,000,000
Loans Receivable >90 Days and Accruing	$ 29,000

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