Loans and Allowance for Loan Losses - Troubled Debt Restructurings That Are Performing (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) contract	Dec. 31, 2020 USD ($)	Dec. 31, 2019
Number of contracts	3	2	3
Performing Financial Instruments [Member]
Number of contracts	20	25
Amortized Cost	$ 12,762	$ 15,911
Multi-Family Residential [Member] | Performing Financial Instruments [Member]
Number of contracts	6	6
Amortized Cost	$ 1,690	$ 1,700
Commercial Real Estate
Number of contracts		1
Commercial Real Estate | Performing Financial Instruments [Member]
Number of contracts	1	1
Amortized Cost	$ 7,572	$ 7,702
One-To-Four Family - Mixed Used Property [Member]
Number of contracts		1
One-To-Four Family - Mixed Used Property [Member] | Performing Financial Instruments [Member]
Number of contracts	5	5
Amortized Cost	$ 1,636	$ 1,731
One-To-Four Family - Residential [Member] | Performing Financial Instruments [Member]
Number of contracts	3	3
Amortized Cost	$ 483	$ 507
Taxi Medallion Portfolio Segment [Member] | Performing Financial Instruments [Member]
Number of contracts		2
Amortized Cost		$ 440
Commercial Business and Other [Member]
Number of contracts	3		3
Commercial Business and Other [Member] | Performing Financial Instruments [Member]
Number of contracts	5	8
Amortized Cost	$ 1,381	$ 3,831