Regulatory Capital Requirements - Summary of Actual Capital Amounts and Ratios As Compared to Regulatory Requirements (Details)	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Ponce Financial Group, Inc.
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total Capital to Risk-Weighted Assets, Actual Amount	$ 579,833	$ 546,128
Tier 1 Capital to Risk-Weighted Assets, Actual Amount	552,260	520,796
Common Equity Tier 1 Capital to Risk-Weighted Assets, Actual Amount	327,260	295,796
Tier 1 Capital to Average Assets, Actual Amount	$ 552,260	$ 520,796
Total Capital to Risk-Weighted Assets, Actual Ratio	0.23	0.2298
Tier 1 Capital to Risk-Weighted Assets, Actual Ratio	0.2191	0.2191
Common Equity Tier 1 Capital to Risk-Weighted Assets, Actual Ratio	0.1298	0.1244
Tier 1 Capital to Average Assets, Actual Ratio	0.1727	0.177
Total Capital to Risk-Weighted Assets, For Capital Adequacy Amount	$ 201,663	$ 190,147
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Amount	151,247	142,611
Common Equity Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Amount	113,436	106,958
Tier 1 Capital to Average Assets, For Capital Adequacy Amount	$ 127,880	$ 117,715
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 to Risk-Weighted Assets, For Capital Adequacy Ratio	0.045	0.045
Tier 1 Capital to Average 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	$ 252,079	$ 237,684
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	201,663	190,147
Common Equity Tier 1 Capital to Risk-Weighted Assets, For Capital Adequecy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	163,851	154,495
Tier 1 Capital to Average Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 159,850	$ 147,144
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 to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.065	0.065
Tier 1 Capital to Average 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	$ 543,076	$ 507,632
Tier 1 Capital to Risk-Weighted Assets, Actual Amount	515,502	482,300
Common Equity Tier 1 Capital to Risk-Weighted Assets, Actual Amount	515,502	482,300
Tier 1 Capital to Average Assets, Actual Amount	$ 515,502	$ 482,300
Total Capital to Risk-Weighted Assets, Actual Ratio	0.2163	0.2147
Tier 1 Capital to Risk-Weighted Assets, Actual Ratio	0.2053	0.204
Common Equity Tier 1 Capital to Risk-Weighted Assets, Actual Ratio	0.2053	0.204
Tier 1 Capital to Average Assets, Actual Ratio	0.1612	0.1581
Total Capital to Risk-Weighted Assets, For Capital Adequacy Amount	$ 200,847	$ 189,137
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Amount	150,635	141,583
Common Equity Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Amount	112,976	106,390
Tier 1 Capital to Average Assets, For Capital Adequacy Amount	$ 127,945	$ 122,011
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 to Risk-Weighted Assets, For Capital Adequacy Ratio	0.045	0.045
Tier 1 Capital to Average 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	$ 251,059	$ 236,421
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	200,847	189,137
Common Equity Tier 1 Capital to Risk-Weighted Assets, For Capital Adequecy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	163,188	153,674
Tier 1 Capital to Average Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 159,931	$ 152,514
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 to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Ratio	0.065	0.065
Tier 1 Capital to Average 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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Amount of minimum total risk-based capital required for capital adequacy as defined by regulatory framework.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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