Fair Value - Estimated Fair Values of Financial Instruments (Parenthetical) (Details) $ in Millions	Dec. 31, 2023 USD ($)
Fair Value Disclosures [Abstract]
Amount reclassified from demand deposits to interest bearing deposits	$ 58.2

Amount reclassified from demand deposits to interest bearing deposits.

No definition available.

Name:	pdlb_AmountReclassifiedFromDemandDepositsToInterestBearingDeposits
Namespace Prefix:	pdlb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant