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Loans Receivable and Allowance for Loan Losses (Recorded Investment in Loans Receivable) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	$ 2,329,637	$ 2,330,018	$ 2,427,180
Deferred loan fees, net	(1,627)	(1,358)
Allowance for loan losses	(38,156)	(33,639)
Sub-total	(39,783)	(34,997)
Net Loans	2,289,854	2,295,021
Residential [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	224,330	244,369	241,796
Commercial & Multi-family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	1,739,976	1,690,836	1,677,668
Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	149,076	155,967	134,769
Commercial Business [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	161,416	184,357	311,204
Home Equity [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	52,109	53,667	60,973
Consumer [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable, gross	$ 2,730	$ 822	$ 770

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- Definition

Total deductions from gross loans

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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