Loans and Allowance for Loan Losses - Non-Accrual at Amortized Cost (Details) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2020	Dec. 31, 2019
Total Non-Accrual Amortized Cost	$ 22,091
Non-Accrual with no related Allowance	21,140
Interest Income Recognized	54
Loans ninety days or more past due and still accruing	150	$ 445
Multi-family Residential Portfolio Segment [Member]
Total Non-Accrual Amortized Cost	3,728
Non-Accrual with no related Allowance	3,728
Loans ninety days or more past due and still accruing		$ 445
Commercial Real Estate Portfolio Segment [Member]
Total Non-Accrual Amortized Cost	2,700
Non-Accrual with no related Allowance	2,700
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member]
Total Non-Accrual Amortized Cost	2,548
Non-Accrual with no related Allowance	2,548
Interest Income Recognized	2
One-To-Four Family - Residential Portfolio Segment [Member]
Total Non-Accrual Amortized Cost	5,869
Non-Accrual with no related Allowance	5,869
Small Business Administration Portfolio Segment [Member]
Total Non-Accrual Amortized Cost	1,347
Non-Accrual with no related Allowance	1,347
Commercial Business and Other Portfolio Segment [Member]
Total Non-Accrual Amortized Cost	2,629
Non-Accrual with no related Allowance	1,678
Interest Income Recognized	20
Loans ninety days or more past due and still accruing	150
Taxi Medallion Portfolio Segment [Member]
Total Non-Accrual Amortized Cost	3,270
Non-Accrual with no related Allowance	3,270
Interest Income Recognized	$ 32

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

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