Regulatory Capital Requirements - Summary of Actual Capital Amounts and Ratios As Compared to Regulatory Requirements (Details)	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
PDL Community Bancorp
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total Capital to Risk-Weighted Assets, Actual Amount	$ 184,905	$ 171,578
Tier 1 Capital to Risk-Weighted Assets, Actual Amount	171,976	159,410
Common Equity Tier 1 Capital Ratio, Actual Amount	171,976	159,410
Tier 1 Capital to Total Assets, Actual Amount	$ 171,976	$ 159,410
Total Capital to Risk-Weighted Assets, Actual Ratio	0.1793	0.1768
Tier 1 Capital to Risk-Weighted Assets, Actual Ratio	0.1668	0.1642
Common Equity Tier 1 Capital Ratio, Actual Ratio	0.1668	0.1642
Tier 1 Capital to Total Assets, Actual Ratio	0.1197	0.1334
Total Capital to Risk-Weighted Assets, For Capital Adequacy Amount	$ 82,493	$ 77,644
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Amount	61,869	58,233
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Amount	46,402	43,675
Tier 1 Capital to Total Assets, For Capital Adequacy Amount	$ 57,472	$ 47,814
Total Capital to Risk-Weighted Assets, For Capital Adequacy Ratio	0.0800	0.0800
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio	0.0600	0.0600
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio	0.0450	0.0450
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio	0.0400	0.0400
Total Capital to Risk-Weighted Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 103,116	$ 97,055
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	82,493	77,644
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	67,025	63,086
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 71,840	$ 59,768
Total Capital to Risk-Weighted Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.1000	0.1000
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.0800	0.0800
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.0650	0.0650
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.0500	0.0500
Ponce Bank
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total Capital to Risk-Weighted Assets, Actual Amount	$ 164,574	$ 153,951
Tier 1 Capital to Risk-Weighted Assets, Actual Amount	151,756	141,850
Common Equity Tier 1 Capital Ratio, Actual Amount	151,756	141,850
Tier 1 Capital to Total Assets, Actual Amount	$ 151,756	$ 141,850
Total Capital to Risk-Weighted Assets, Actual Ratio	0.1610	0.1595
Tier 1 Capital to Risk-Weighted Assets, Actual Ratio	0.1485	0.1470
Common Equity Tier 1 Capital Ratio, Actual Ratio	0.1485	0.1470
Tier 1 Capital to Total Assets, Actual Ratio	0.1023	0.1119
Total Capital to Risk-Weighted Assets, For Capital Adequacy Amount	$ 81,771	$ 77,213
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Amount	61,328	57,909
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Amount	45,996	43,432
Tier 1 Capital to Total Assets, For Capital Adequacy Amount	$ 59,326	$ 50,715
Total Capital to Risk-Weighted Assets, For Capital Adequacy Ratio	0.0800	0.0800
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio	0.0600	0.0600
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio	0.0450	0.0450
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio	0.0400	0.0400
Total Capital to Risk-Weighted Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 102,213	$ 96,516
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	81,771	77,213
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	66,439	62,735
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 74,158	$ 63,394
Total Capital to Risk-Weighted Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.1000	0.1000
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.0800	0.0800
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.0650	0.0650
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.0500	0.0500

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Amount of total capital as defined by regulatory framework.

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