Loans - Activity in the Allowance for Credit Losses (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Beginning balance	$ 40,442	$ 37,135
Charge-off's	(9,298)	(1,036)
Recoveries	64	101
Provision (benefit)	7,521	1,233
Ending balance	38,729	37,433
Multi-family Residential Portfolio Segment [Member]
Beginning balance	9,552	8,185
Recoveries	1
Provision (benefit)	(512)	376
Ending balance	9,041	8,561
Commercial Real Estate [Member]
Beginning balance	8,184	7,158
Provision (benefit)	(513)	558
Ending balance	7,671	7,716
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member]
Beginning balance	1,875	1,755
Provision (benefit)	(165)	109
Ending balance	1,710	1,864
One-To-Four Family - Residential Portfolio Segment [Member]
Beginning balance	901	784
Charge-off's	(6)
Recoveries	42	2
Provision (benefit)	(210)	(20)
Ending balance	727	766
Construction Portfolio Segment
Beginning balance	261	186
Provision (benefit)	(109)	82
Ending balance	152	268
Small Business Administration Portfolio Segment [Member]
Beginning balance	2,198	1,209
Charge-off's	(6)	(1,028)
Recoveries	12	13
Provision (benefit)	(35)	1,643
Ending balance	2,169	1,837
Commercial Business and Other Portfolio Segment [Member]
Beginning balance	17,471	17,858
Charge-off's	(9,286)	(8)
Recoveries	9	74
Provision (benefit)	9,065	(1,503)
Ending balance	$ 17,259	$ 16,421