Loans - Activity in the Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Beginning balance	$ 39,424	$ 42,670	$ 37,135	$ 45,153
Charge-off's	(324)	(1,019)	(1,410)	(5,127)
Recoveries	34	1,638	686	1,979
Provision (benefit)	2,134	(6,926)	4,857	(5,642)
Ending balance	41,268	36,363	41,268	36,363
Multi-family Residential Portfolio Segment [Member]
Beginning balance	9,405	6,559	8,185	6,557
Charge-off's				(43)
Recoveries			1	10
Provision (benefit)	355	(161)	1,574	(126)
Ending balance	9,760	6,398	9,760	6,398
Commercial Real Estate
Beginning balance	8,443	5,868	7,158	8,327
Charge-off's				(64)
Provision (benefit)	(29)	(112)	1,256	(2,507)
Ending balance	8,414	5,756	8,414	5,756
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member]
Beginning balance	1,959	1,492	1,755	1,986
Charge-off's				(32)
Recoveries		123		133
Provision (benefit)	3	(169)	207	(641)
Ending balance	1,962	1,446	1,962	1,446
One-To-Four Family - Residential Portfolio Segment [Member]
Beginning balance	866	716	784	869
Charge-off's	(2)		(2)
Recoveries		147	4	154
Provision (benefit)	(59)	(232)	19	(392)
Ending balance	805	631	805	631
Construction Portfolio Segment [Member]
Beginning balance	300	185	186	497
Provision (benefit)	(44)	(17)	70	(329)
Ending balance	256	168	256	168
Small Business Administration Portfolio Segment [Member]
Beginning balance	2,118	2,302	1,209	2,251
Charge-off's			(1,054)
Recoveries	12	8	39	27
Provision (benefit)	(68)	(646)	1,868	(614)
Ending balance	2,062	1,664	2,062	1,664
Taxi Medallion Portfolio Segment [Member]
Charge-off's				(2,758)
Recoveries		1,235	447	1,457
Provision (benefit)		(1,235)	(447)	1,301
Commercial Business and Other Portfolio Segment [Member]
Beginning balance	16,333	25,548	17,858	24,666
Charge-off's	(322)	(1,019)	(354)	(2,230)
Recoveries	22	125	195	198
Provision (benefit)	1,976	(4,354)	310	(2,334)
Ending balance	$ 18,009	$ 20,300	$ 18,009	$ 20,300