Note G - Federal Funds Purchased (Details Textual)	Dec. 31, 2019 USD ($)
Federal Funds Purchased, Maximum Borrowing Capacity	$ 40,000,000

Maximum borrowing capacity of federal funds purchased without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding.

No definition available.

Name:	pfbx_FederalFundsPurchasedMaximumBorrowingCapacity
Namespace Prefix:	pfbx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant