Loans Receivable and Allowance for Credit Losses (Non-Accruing Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Mar. 31, 2026	Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans with an Allowance for Credit Losses	$ 3,298		$ 4,786
Nonaccrual loans without an Allowance for Credit Losses	68,713		58,469
Nonaccrual loans	72,011		63,255
Amortized cost of loans past due 90 days and still accruing	2,488	$ 2,500	0
Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans without an Allowance for Credit Losses	1,515		1,554
Nonaccrual loans	1,515		1,554
Commercial & Multi-family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans with an Allowance for Credit Losses	2,859		2,500
Nonaccrual loans without an Allowance for Credit Losses	51,619		49,659
Nonaccrual loans	54,478		52,159
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans without an Allowance for Credit Losses	13,364		4,897
Nonaccrual loans	13,364		4,897
Commercial Business [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans with an Allowance for Credit Losses	439		1,660
Nonaccrual loans without an Allowance for Credit Losses	1,958		2,065
Nonaccrual loans	2,397		3,725
Amortized cost of loans past due 90 days and still accruing	2,488
Business Express [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans with an Allowance for Credit Losses			626
Nonaccrual loans			626
Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Nonaccrual loans without an Allowance for Credit Losses	257		294
Nonaccrual loans	$ 257		$ 294

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Amortized cost of financing receivable on nonaccrual status with no allowance for credit loss. Excludes net investment in lease.

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