Parent Company Only Financial Statements - Schedule of Condensed Consolidated Statements of Financial Condition (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
ASSETS
Cash and cash equivalents	$ 139,190	$ 54,360
Other assets	24,723	13,988
Total assets	2,750,722	2,311,989
LIABILITIES AND STOCKHOLDERS' EQUITY
Stockholders' equity	491,395	492,700	$ 189,256	$ 159,544
Total liabilities and stockholders' equity	2,750,722	2,311,989
Ponce Bank Mutual Holding Company
ASSETS
Cash and cash equivalents	13,808	28,318
Investment in Ponce Bank	450,502	438,975
Investment in Lending Front	1,000	1,000
Investment in Bamboo	3,723	2,500
Loan receivable - ESOP	13,317	14,377
Other assets	9,468	7,702
Total assets	491,818	492,872
LIABILITIES AND STOCKHOLDERS' EQUITY
Other liabilities and accrued expenses	423	172
Stockholders' equity	491,395	492,700
Total liabilities and stockholders' equity	$ 491,818	$ 492,872