Regulatory Capital Requirements - Summary of Actual Capital Amounts and Ratios As Compared to Regulatory Requirements (Details)	Mar. 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	$ 552,191	$ 546,128
Tier 1 Capital to Risk-Weighted Assets, Actual Amount	527,401	520,796
Common Equity Tier 1 Capital Ratio, Actual Amount	302,401	295,796
Tier 1 Capital to Total Assets, Actual Amount	$ 527,401	$ 520,796
Total Capital to Risk-Weighted Assets, Actual Ratio	0.2284	0.2298
Tier 1 Capital to Risk-Weighted Assets, Actual Ratio	0.2182	0.2191
Common Equity Tier 1 Capital Ratio, Actual Ratio	0.1251	0.1244
Tier 1 Capital to Total Assets, Actual Ratio	0.1684	0.177
Total Capital to Risk-Weighted Assets, For Capital Adequacy Amount	$ 193,396	$ 190,147
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Amount	145,047	142,611
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Amount	108,785	106,958
Tier 1 Capital to Total Assets, For Capital Adequacy Amount	$ 125,287	$ 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 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	$ 241,745	$ 237,684
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	193,396	190,147
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	157,134	154,495
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 156,609	$ 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 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	$ 514,077	$ 507,632
Tier 1 Capital to Risk-Weighted Assets, Actual Amount	489,287	482,300
Common Equity Tier 1 Capital Ratio, Actual Amount	489,287	482,300
Tier 1 Capital to Total Assets, Actual Amount	$ 489,287	$ 482,300
Total Capital to Risk-Weighted Assets, Actual Ratio	0.2138	0.2147
Tier 1 Capital to Risk-Weighted Assets, Actual Ratio	0.2035	0.204
Common Equity Tier 1 Capital Ratio, Actual Ratio	0.2035	0.204
Tier 1 Capital to Total Assets, Actual Ratio	0.1561	0.1581
Total Capital to Risk-Weighted Assets, For Capital Adequacy Amount	$ 192,356	$ 189,137
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Amount	144,267	141,853
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Amount	108,200	106,390
Tier 1 Capital to Total Assets, For Capital Adequacy Amount	$ 125,381	$ 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 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	$ 240,445	$ 236,421
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	192,356	189,137
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	156,289	153,674
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 156,726	$ 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 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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Amount of minimum total risk-based capital required for capital adequacy as defined by regulatory framework.

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