Loans - Nonaccrual loans by class and vintage (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Loans
Year 4	$ 298
Prior	129	$ 213
Total Nonaccrual Loans	427	213
Real estate, residential
Loans
Year 4	298
Prior	129	213
Total Nonaccrual Loans	$ 427	$ 213

Amortized cost excluding accrued interest, of financing receivable nonaccrual originated more than five years prior to current fiscal year.

No definition available.

+ Details

Name:	pfbx_FinancingReceivableExcludingAccruedInterestNonaccrualOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
Namespace Prefix:	pfbx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amortized cost excluding accrued interest, of financing receivable nonaccrual originated three years prior to current fiscal year.

+ References

No definition available.

+ Details

Name:	pfbx_FinancingReceivableExcludingAccruedInterestYearFourNonaccrualOriginatedThreeYearsBeforeCurrentFiscalYear
Namespace Prefix:	pfbx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 29
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-29

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=pfbx_RealEstateResidentialMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: