Regulatory Capital Requirements - Summary of Actual Capital Amounts and Ratios As Compared to Regulatory Requirements (Details)	Mar. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Ponce Financial Group, Inc.
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total Capital to Risk-Weighted Assets, Actual Amount	$ 537,748	$ 533,513
Tier 1 Capital to Risk-Weighted Assets, Actual Amount	510,271	507,042
Common Equity Tier 1 Capital Ratio, Actual Amount	285,271	282,042
Tier 1 Capital to Total Assets, Actual Amount	$ 510,271	$ 507,042
Total Capital to Risk-Weighted Assets, Actual Ratio	0.2447	0.2506
Tier 1 Capital to Risk-Weighted Assets, Actual Ratio	0.2322	0.2382
Common Equity Tier 1 Capital Ratio, Actual Ratio	0.1298	0.1325
Tier 1 Capital to Total Assets, Actual Ratio	0.1759	0.1971
Total Capital to Risk-Weighted Assets, For Capital Adequacy Amount	$ 175,777	$ 170,302
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Amount	131,833	127,727
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Amount	98,874	95,795
Tier 1 Capital to Total Assets, For Capital Adequacy Amount	$ 116,020	$ 102,911
Total Capital to Risk-Weighted Assets, For Capital Adequacy Ratio	0.08	0.08
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio	0.06	0.06
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio	0.045	0.045
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio	0.04	0.04
Total Capital to Risk-Weighted Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 219,721	$ 212,878
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	175,777	170,302
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	142,819	138,371
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 145,025	$ 128,639
Total Capital to Risk-Weighted Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.10	0.10
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.08	0.08
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.065	0.065
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.05	0.05
Ponce Bank
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total Capital to Risk-Weighted Assets, Actual Amount	$ 497,240	$ 492,622
Tier 1 Capital to Risk-Weighted Assets, Actual Amount	469,950	466,151
Common Equity Tier 1 Capital Ratio, Actual Amount	469,950	466,151
Tier 1 Capital to Total Assets, Actual Amount	$ 469,950	$ 466,151
Total Capital to Risk-Weighted Assets, Actual Ratio	0.2279	0.233
Tier 1 Capital to Risk-Weighted Assets, Actual Ratio	0.2154	0.2205
Common Equity Tier 1 Capital Ratio, Actual Ratio	0.2154	0.2205
Tier 1 Capital to Total Assets, Actual Ratio	0.1626	0.1749
Total Capital to Risk-Weighted Assets, For Capital Adequacy Amount	$ 174,565	$ 169,153
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Amount	130,924	126,865
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Amount	98,193	95,149
Tier 1 Capital to Total Assets, For Capital Adequacy Amount	$ 115,642	$ 106,591
Total Capital to Risk-Weighted Assets, For Capital Adequacy Ratio	0.08	0.08
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio	0.06	0.06
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio	0.045	0.045
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio	0.04	0.04
Total Capital to Risk-Weighted Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 218,206	$ 211,441
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	174,565	169,153
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	141,834	137,437
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 144,552	$ 133,239
Total Capital to Risk-Weighted Assets, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.10	0.10
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.08	0.08
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.065	0.065
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.05	0.05

Common equity tier one capital required for capital adequacy to risk weighted assets.

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Amount of total capital as defined by regulatory framework.

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