FAIR VALUE MEASUREMENTS AND DISCLOSURES - Change in fair Value of other real estate (Details) - Other real estate - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
FAIR VALUE MEASUREMENTS AND DISCLOSURES
Balance, beginning of year		$ 259
Loans transferred to ORE	$ 18	952
Sales	(9)	(1,114)
Write-downs		$ (97)
Balance, end of year	$ 9

Amount of loans transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

No definition available.

Name:	pfbx_FairValueMeasurementWithUnobservableInputsReconciliationNonrecurringBasisAssetLoanTransfers
Namespace Prefix:	pfbx_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of sale of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

No definition available.

+ Details

Name:	pfbx_FairValueMeasurementWithUnobservableInputsReconciliationNonrecurringBasisAssetSales
Namespace Prefix:	pfbx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

No definition available.

+ Details

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

- Definition

Amount of write down of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

No definition available.

+ Details

Name:	pfbx_FairValueMeasurementWithUnobservableInputsReconciliationNonrecurringBasisAssetWriteDowns
Namespace Prefix:	pfbx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 100
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-100

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-3

+ Details

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

- Details

Name:	us-gaap_FairValueByAssetClassAxis=pfbx_OtherRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: