Parent Company Only Financial Statements - Schedule of Condensed Consolidated Statements of Financial Condition (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
ASSETS
Cash and cash equivalents	$ 153,894	$ 72,078
Other assets	20,132	12,604
Total assets	1,653,510	1,355,231
LIABILITIES AND STOCKHOLDERS' EQUITY
Stockholders' equity	189,256	159,544	$ 158,402	$ 169,172
Total liabilities and stockholders' equity	1,653,510	1,355,231
Ponce Bank Mutual Holding Company
ASSETS
Cash and cash equivalents	124,867	3,770
Investment in Ponce Bank	169,797	141,985
Investment in Mortgage World	5,406	5,297
Investment in Grain	1,000	500
Loan receivable - ESOP	4,455	5,469
Other assets	6,612	2,790
Total assets	312,137	159,811
LIABILITIES AND STOCKHOLDERS' EQUITY
Funds due to Ponce Financial	122,000
Other liabilities and accrued expenses	881	267
Stockholders' equity	189,256	159,544
Total liabilities and stockholders' equity	$ 312,137	$ 159,811