XML 18 R50.htm IDEA: XBRL DOCUMENT v2.4.1.9
FAIR VALUE, Asset Quantitative Information (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Impaired Loans [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Asset fair value 5,249pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
5,800pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
Impaired Loans [Member] | Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Asset fair value 346pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
600pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 65.50%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
44.80%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 72.40%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
72.40%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 52.40%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
58.90%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Asset fair value 589pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
630pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 41.10%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
16.90%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 41.10%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
54.60%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 41.10%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
16.90%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | Commercial and Industrial [Member] | Sales Comparison [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Asset fair value 68pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_CommercialRealEstateMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
341pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_CommercialRealEstateMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | Commercial and Industrial [Member] | Sales Comparison [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 8.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_CommercialRealEstateMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
26.20%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_CommercialRealEstateMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | Commercial and Industrial [Member] | Sales Comparison [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 8.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_CommercialRealEstateMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
41.20%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_CommercialRealEstateMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | Commercial and Industrial [Member] | Sales Comparison [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 8.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_CommercialRealEstateMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
27.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_CommercialRealEstateMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | All Other [Member] | Sales Comparison [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Asset fair value 4,246pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
4,229pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | All Other [Member] | Sales Comparison [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 57.20%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
57.30%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | All Other [Member] | Sales Comparison [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 57.20%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
57.30%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Impaired Loans [Member] | All Other [Member] | Sales Comparison [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 57.20%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
57.30%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_ImpairedLoansMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Other Real Estate Owned [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Asset fair value 9,714pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
10,206pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
Other Real Estate Owned [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Asset fair value 2,003pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
2,003pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Other Real Estate Owned [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 17.20%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
17.80%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Other Real Estate Owned [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 17.20%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
17.80%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Other Real Estate Owned [Member] | Non Owner Occupied Commercial Real Estate [Member] | Sales Comparison [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 17.20%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
17.80%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= pfbi_CommercialRealEstateNonOwnerOccupiedMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Other Real Estate Owned [Member] | All Other [Member] | Sales Comparison [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Asset fair value 7,711pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
8,203pfbi_AssetsFairValueDisclosureValuationAnalysis
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Other Real Estate Owned [Member] | All Other [Member] | Sales Comparison [Member] | Minimum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 24.60%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
24.60%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Other Real Estate Owned [Member] | All Other [Member] | Sales Comparison [Member] | Maximum [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 67.40%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
50.30%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
Other Real Estate Owned [Member] | All Other [Member] | Sales Comparison [Member] | Weighted Average [Member]    
Fair Value Inputs, Assets, Quantitative Information [Line Items]    
Comparability of sales (in hundredths) 25.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember
45.00%us-gaap_FairValueInputsComparabilityAdjustments
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pfbi_OtherRealEstateOwnedMember
/ us-gaap_FairValueByAssetClassAxis
= us-gaap_UnallocatedFinancingReceivablesMember
/ us-gaap_RangeAxis
= us-gaap_WeightedAverageMember
/ us-gaap_ValuationTechniqueAxis
= pfbi_SalesComparisonMember