Commitments, Contingencies and Credit Risk - Additional Information (Details)			3 Months Ended		9 Months Ended
	Jun. 04, 2021 USD ($)	Feb. 11, 2021 USD ($)	Sep. 30, 2022 USD ($) State Investor	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) State Investor	Sep. 30, 2021 USD ($)
Loss Contingencies [Line Items]
Repurchase or indemnification requests for loans sold			$ 0		$ 0
Lease expiration year					2038
Rental expenses under operating leases			$ 1,100,000	$ 495,000	$ 3,200,000	$ 1,600,000
Ponce Bank Mutual Holding Company
Loss Contingencies [Line Items]
Sale price for real property	$ 5,700,000	$ 2,400,000
Lease agreement term	15 years	15 years
Lease base annual rent	$ 281,000	$ 145,000
Lease base rent annually increasing rate	1.75%	1.50%
Gain on sale and leaseback transaction	$ 4,200,000	$ 623,000
Sale leaseback transaction, lease terms		Under the lease agreement, the Bank has four (4) consecutive options to extend the term of the lease by five (5) years for each such option.
Mortgage World Bankers Inc
Loss Contingencies [Line Items]
Total loan volume insured			62.40%		62.40%
Total loan volume sold			95.20%		95.20%
Number of investors loan volume sold | Investor			3		3
Total closed loan volume			99.40%		99.40%
Number of states in which loan closed | State			2		2