CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Parenthetical) - shares	3 Months Ended
Dec. 31, 2022	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY
ESOP shares committed to be released (in shares)	12,729	12,729	12,729	12,729

The number of shares committed to be released under an Employee Stock Ownership Plan (ESOP).

No definition available.

Name:	pbfs_EmployeeStockOwnershipPlanSharesCommittedToBeReleased
Namespace Prefix:	pbfs_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration