XML 24 R79.htm IDEA: XBRL DOCUMENT v2.4.1.9
STOCK COMPENSATION EXPENSE (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares authorized (in shares)     500,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
Stock based incentive programs over the subsequent years     10 years
Award vesting period, description three equal annual installments three equal annual installments three equal annual installments
Stock option vesting periods 3 years 3 years 3 years
Compensation expense $ 248us-gaap_ShareBasedCompensation $ 169us-gaap_ShareBasedCompensation $ 181us-gaap_ShareBasedCompensation
Unrecognized stock-based compensation expense 108us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized    
Unrecognized stock-based compensation, period of recognition 26 months    
2012 Long Term Incentive Plan [Member] | Robert W. Walker [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Grants (in shares) 6,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
/ us-gaap_PlanNameAxis
= pfbi_LongTermIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= pfbi_PresidentAndChiefExecutiveOfficerMember
   
Fair value of shares granted (in dollars per share) $ 14.20us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_PlanNameAxis
= pfbi_LongTermIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= pfbi_PresidentAndChiefExecutiveOfficerMember
   
Compensation expense $ 85us-gaap_ShareBasedCompensation
/ us-gaap_PlanNameAxis
= pfbi_LongTermIncentivePlanMember
/ us-gaap_TitleOfIndividualAxis
= pfbi_PresidentAndChiefExecutiveOfficerMember