Fair Value Measurements and Disclosures - Additional Information (Detail) (USD $)	6 Months Ended
Jun. 30, 2013
Fair Value Disclosures [Abstract]
Minimum current appraisal is more than one year old and/or the loan balance	$ 200,000
Percentage of time deposits provide for automatic renewal at current interest rates	98.00%

Percentage of time deposits provide for automatic renewal at current interest rates.

No definition available.

Name:	pfbx_PercentageOfTimeDepositsProvideForAutomaticRenewalAtCurrentInterestRates
Namespace Prefix:	pfbx_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration