Segment Reporting - Schedule of Operations and Total Assets of Operating Segments (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	May 06, 2029	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Dec. 31, 2020
Segment Reporting Information [Line Items]
Interest and dividend income		$ 15,844	$ 12,393	$ 31,021	$ 25,423
Interest Expense	$ 5,978	2,112	2,872	4,397	5,978
Net interest income		13,732	9,521	26,624	19,445
Provision for loan losses		586	271	1,272	1,417
Net interest income after provision for loan losses	18,028	13,146	9,250	25,352	18,028
Non-interest income	1,196	8,341	574	12,234	1,196
Non-interest expense	21,257	13,641	10,435	26,556	21,257
Income (loss) before income taxes	(2,033)	7,846	(611)	11,030	(2,033)
Provision (benefit) for income taxes (Note 9)	$ (249)	1,914	(40)	2,646	(249)
Net income (loss)		5,932	(571)	8,384	(1,784)
Total assets		1,547,650		1,547,650		$ 1,355,231
Ponce Bank
Segment Reporting Information [Line Items]
Interest and dividend income		15,762	12,393	30,789	25,423
Interest Expense		2,080	2,939	4,266	6,113
Net interest income		13,682	9,454	26,523	19,310
Provision for loan losses		586	271	1,272	1,417
Net interest income after provision for loan losses		13,096	9,183	25,251	17,893
Non-interest income		5,967	703	7,771	1,453
Non-interest expense		10,609	9,764	20,609	19,858
Income (loss) before income taxes		8,454	122	12,413	(512)
Provision (benefit) for income taxes (Note 9)		1,745	107	2,850	49
Net income (loss)		6,709	15	9,563	(561)
Total assets		1,525,350		1,525,350		1,315,287
Mortgage World
Segment Reporting Information [Line Items]
Interest and dividend income		82		232
Interest Expense		72		212
Net interest income		10		20
Net interest income after provision for loan losses		10		20
Non-interest income		2,642		5,000
Non-interest expense		2,510		4,801
Income (loss) before income taxes		142		219
Provision (benefit) for income taxes (Note 9)		58		98
Net income (loss)		84		121
Total assets		21,319		21,319		38,397
PDL Community Bancorp
Segment Reporting Information [Line Items]
Interest and dividend income		40	67	81	135
Net interest income		40	67	81	135
Net interest income after provision for loan losses		40	67	81	135
Non-interest expense		790	800	1,684	1,656
Income (loss) before income taxes		(750)	(733)	(1,603)	(1,521)
Provision (benefit) for income taxes (Note 9)		111	(147)	(302)	(298)
Equity in undistributed earnings of Ponce Bank and Mortgage World		6,793	15	9,684	(561)
Net income (loss)		5,932	(571)	8,383	(1,784)
Total assets		170,907		170,907		159,811
Eliminations
Segment Reporting Information [Line Items]
Interest and dividend income		(40)	(67)	(81)	(135)
Interest Expense		(40)	(67)	(81)	(135)
Non-interest income		(268)	(129)	(537)	(257)
Non-interest expense		(268)	(129)	(538)	(257)
Income (loss) before income taxes				1
Equity in undistributed earnings of Ponce Bank and Mortgage World		(6,793)	(15)	(9,684)	561
Net income (loss)		(6,793)	$ (15)	(9,683)	$ 561
Total assets		$ (169,926)		$ (169,926)		$ (158,264)