Regulatory Capital Requirements - Summary of Actual Capital Amounts and Ratios As Compared to Regulatory Requirements (Details) $ in Thousands	Jun. 30, 2026 USD ($)	Dec. 31, 2025 USD ($)
Ponce Financial Group, Inc.
Compliance With Regulatory Capital Requirements Under Banking Regulations [Line Items]
Total Capital to Risk-Weighted Assets, Actual Amount	$ 602,120	$ 579,833
Tier 1 Capital to Risk-Weighted Assets, Actual Amount	571,574	552,260
Common Equity Tier 1 Capital Ratio, Actual Amount	346,574	327,260
Tier 1 Capital to Total Assets, Actual Amount	$ 571,574	$ 552,260
Total Capital to Risk-Weighted Assets, Actual Ratio	0.20	0.23
Tier 1 Capital to Risk-Weighted Assets, Actual Ratio	0.1899	0.2191
Common Equity Tier 1 Capital Ratio, Actual Ratio	0.1151	0.1298
Tier 1 Capital to Total Assets, Actual Ratio	0.1685	0.1727
Total Capital to Risk-Weighted Assets, For Capital Adequacy Amount	$ 240,794	$ 201,663
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Amount	180,596	151,247
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Amount	135,447	113,436
Tier 1 Capital to Total Assets, For Capital Adequacy Amount	$ 135,688	$ 127,880
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	$ 300,993	$ 252,079
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	240,794	201,663
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	195,645	163,851
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 169,610	$ 159,850
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	$ 566,435	$ 543,076
Tier 1 Capital to Risk-Weighted Assets, Actual Amount	535,888	515,502
Common Equity Tier 1 Capital Ratio, Actual Amount	535,888	515,502
Tier 1 Capital to Total Assets, Actual Amount	$ 535,888	$ 515,502
Total Capital to Risk-Weighted Assets, Actual Ratio	0.1888	0.2163
Tier 1 Capital to Risk-Weighted Assets, Actual Ratio	0.1787	0.2053
Common Equity Tier 1 Capital Ratio, Actual Ratio	0.1787	0.2053
Tier 1 Capital to Total Assets, Actual Ratio	0.1581	0.1612
Total Capital to Risk-Weighted Assets, For Capital Adequacy Amount	$ 239,968	$ 200,847
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Amount	179,976	150,635
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Amount	134,982	112,976
Tier 1 Capital to Total Assets, For Capital Adequacy Amount	$ 135,618	$ 127,945
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	$ 299,959	$ 251,059
Tier 1 Capital to Risk-Weighted Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	239,968	200,847
Common Equity Tier 1 Capital Ratio, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	194,974	163,188
Tier 1 Capital to Total Assets, For Capital Adequacy Ratio, To Be Well Capitalized Under Prompt Corrective Action Provisions Amount	$ 169,522	$ 159,931
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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Common equity tier one capital required to be well capitalized to average 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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