Loans and Allowance for Credit Losses - Activity in the Allowance for Credit Losses (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Beginning balance	$ 37,135	$ 45,153	$ 21,751
Impact of CECL Adoption		5,134	379
Impact of Day 1 PCD - Empire Acquisition		2,015	4,099
Charge-off's	(3,348)		(4,005)
Recoveries	1,813	37,135	366
Provision (benefit)	4,842	(4,899)	22,563
Ending balance	40,442	37,135	45,153
Multi-family Residential Portfolio Segment [Member]
Beginning balance	8,185	6,557	5,391
Impact of CECL Adoption		43	(650)
Impact of Day 1 PCD - Empire Acquisition		10	444
Charge-off's	(208)
Recoveries	77	8,185	38
Provision (benefit)	1,498	1,661	1,334
Ending balance	9,552	8,185	6,557
Commercial Real Estate [Member]
Beginning balance	7,158	8,327	4,429
Impact of CECL Adoption		64	1,170
Impact of Day 1 PCD - Empire Acquisition			587
Recoveries		7,158
Provision (benefit)	1,026	(1,105)	2,141
Ending balance	8,184	7,158	8,327
One-To-Four Family - Mixed-Use Property Portfolio Segment [Member]
Beginning balance	1,755	1,986	1,817
Impact of CECL Adoption		33	(55)
Impact of Day 1 PCD - Empire Acquisition		133	183
Charge-off's			(3)
Recoveries		1,755	138
Provision (benefit)	120	(331)	(94)
Ending balance	1,875	1,755	1,986
One-To-Four Family - Residential Portfolio Segment [Member]
Beginning balance	784	869	756
Impact of CECL Adoption			(160)
Impact of Day 1 PCD - Empire Acquisition		157	158
Charge-off's	(20)
Recoveries	5	784	12
Provision (benefit)	132	(242)	103
Ending balance	901	784	869
Construction Portfolio Segment
Beginning balance	186	497	441
Impact of CECL Adoption			(279)
Impact of Day 1 PCD - Empire Acquisition			20
Recoveries		186
Provision (benefit)	75	(311)	315
Ending balance	261	186	497
Small Business Administration Portfolio Segment [Member]
Beginning balance	1,209	2,251	363
Impact of CECL Adoption			1,180
Impact of Day 1 PCD - Empire Acquisition		34	278
Charge-off's	(1,053)		(178)
Recoveries	47	1,209	70
Provision (benefit)	1,995	(1,076)	538
Ending balance	2,198	1,209	2,251
Taxi Medallion Portfolio Segment [Member]
Impact of CECL Adoption		2,758
Impact of Day 1 PCD - Empire Acquisition		1,457	124
Charge-off's			(1,075)
Recoveries	447
Provision (benefit)	(447)	1,301	951
Commercial Business and Other Portfolio Segment [Member]
Beginning balance	17,858	24,666	8,554
Impact of CECL Adoption		2,236	(827)
Impact of Day 1 PCD - Empire Acquisition		224	2,305
Charge-off's	(2,067)		(2,749)
Recoveries	1,237	17,858	108
Provision (benefit)	443	(4,796)	17,275
Ending balance	$ 17,471	$ 17,858	$ 24,666

Amount of increase (decrease) in allowance for credit loss arising out of acquisitions.

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Amount of impact on allowance for credit loss on financing receivable due to adoption of new accounting standard.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of increase in allowance for credit loss on financing receivable from recovery.

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Amount of credit loss expense (reversal of expense) for financing receivable.

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