Loans and Allowance for Loan Losses - Non-Accrual at Amortized Cost (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Total Non-accrual amortized cost	$ 15,253	$ 20,947	$ 28,026
Non-Accrual with no related Allowance	13,613	16,880
Interest income recognized	104	58
Loans ninety days or more past due and still accruing:		2,748
Multi-family Residential Portfolio Segment [Member]
Total Non-accrual amortized cost	2,652	2,576	2,723
Non-Accrual with no related Allowance	2,652	2,576
Interest income recognized	19
Loans ninety days or more past due and still accruing:		201
Commercial Real Estate
Total Non-accrual amortized cost	640	1,766	2,714
Non-Accrual with no related Allowance	640	1,766
Loans ninety days or more past due and still accruing:		2,547
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member]
Total Non-accrual amortized cost	1,582	1,706	1,704
Non-Accrual with no related Allowance	1,582	1,706
Interest income recognized	6
One-To-Four Family - Residential Portfolio Segment [Member]
Total Non-accrual amortized cost	7,482	5,313	9,992
Non-Accrual with no related Allowance	7,482	5,313
Interest income recognized	1
Small Business Administration Portfolio Segment [Member]
Total Non-accrual amortized cost	952	1,168	1,169
Non-Accrual with no related Allowance	952	1,168
Taxi Medallion Portfolio Segment [Member]
Total Non-accrual amortized cost		2,758	2,318
Non-Accrual with no related Allowance		2,758
Commercial Business and Other Portfolio Segment [Member]
Total Non-accrual amortized cost	1,945	5,660	$ 7,406
Non-Accrual with no related Allowance	305	1,593
Interest income recognized	$ 78	$ 58

Amount of financing receivable on nonaccrual status at amortized cost.

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Amount of interest income on financing receivable on nonaccrual status.

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Amount of financing receivable on nonaccrual status with no allowance for credit loss.

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- Definition

Amount of financing receivable 90 days or more past due and still accruing.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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-Name Accounting Standards Codification
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-URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922355-210448

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