XML 24 R57.htm IDEA: XBRL DOCUMENT v2.4.1.9
Loans and Credit Quality (Details 10) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans $ 254,285pacw_LoansAndLeasesNetOfDiscountsCovered $ 290,791pacw_LoansAndLeasesNetOfDiscountsCovered
Nonclassified [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans 105,195pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_InternalCreditAssessmentAxis
= pacw_NonclassifiedMember		 132,288pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_InternalCreditAssessmentAxis
= pacw_NonclassifiedMember
Classified [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans 149,090pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_InternalCreditAssessmentAxis
= pacw_ClassifiedMember		 158,503pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_InternalCreditAssessmentAxis
= pacw_ClassifiedMember
Purchased Credit Impaired Loans and Leases [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans 254,346pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pacw_PurchasedCreditImpairedLoansandLeasesMember		 290,852pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= pacw_PurchasedCreditImpairedLoansandLeasesMember
Mortgage Loans on Real Estate [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans 226,502pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_MortgageLoansOnRealEstateMember		 256,489pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_MortgageLoansOnRealEstateMember
Loans And Leases PCI Net Of Discounts And Earned Income 226,450pacw_LoansAndLeasesPCINetOfDiscountsAndEarnedIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_MortgageLoansOnRealEstateMember		 256,442pacw_LoansAndLeasesPCINetOfDiscountsAndEarnedIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_MortgageLoansOnRealEstateMember
Mortgage Loans on Real Estate [Member] | Nonclassified [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans 77,548pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_MortgageLoansOnRealEstateMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_NonclassifiedMember		 101,161pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_MortgageLoansOnRealEstateMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_NonclassifiedMember
Mortgage Loans on Real Estate [Member] | Classified [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans 148,902pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_MortgageLoansOnRealEstateMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_ClassifiedMember		 155,281pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_MortgageLoansOnRealEstateMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_ClassifiedMember
Real Estate Construction [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans 1,897pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= pacw_RealEstateConstructionMember		 6,924pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= pacw_RealEstateConstructionMember
Loans And Leases PCI Net Of Discounts And Earned Income 1,888pacw_LoansAndLeasesPCINetOfDiscountsAndEarnedIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= pacw_RealEstateConstructionMember		 6,911pacw_LoansAndLeasesPCINetOfDiscountsAndEarnedIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= pacw_RealEstateConstructionMember
Real Estate Construction [Member] | Nonclassified [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans 1,888pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= pacw_RealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_NonclassifiedMember		 3,901pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= pacw_RealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_NonclassifiedMember
Real Estate Construction [Member] | Classified [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans 0pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= pacw_RealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_ClassifiedMember		 3,010pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= pacw_RealEstateConstructionMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_ClassifiedMember
Commercial Portfolio Segment [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans 25,664pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember		 27,155pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
Loans And Leases PCI Net Of Discounts And Earned Income 25,664pacw_LoansAndLeasesPCINetOfDiscountsAndEarnedIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember		 27,154pacw_LoansAndLeasesPCINetOfDiscountsAndEarnedIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
Commercial Portfolio Segment [Member] | Nonclassified [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans 25,476pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_NonclassifiedMember		 26,942pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_NonclassifiedMember
Commercial Portfolio Segment [Member] | Classified [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans 188pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_ClassifiedMember		 212pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialPortfolioSegmentMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_ClassifiedMember
Consumer Portfolio Segment [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans 283pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 284pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Loans And Leases PCI Net Of Discounts And Earned Income 283pacw_LoansAndLeasesPCINetOfDiscountsAndEarnedIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember		 284pacw_LoansAndLeasesPCINetOfDiscountsAndEarnedIncome
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
Consumer Portfolio Segment [Member] | Nonclassified [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans 283pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_NonclassifiedMember		 284pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_NonclassifiedMember
Consumer Portfolio Segment [Member] | Classified [Member]    
Financing Receivable Recorded Investment By Credit Risk [Line Items]    
PCI loans $ 0pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_ClassifiedMember		 $ 0pacw_LoansAndLeasesNetOfDiscountsCovered
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerPortfolioSegmentMember
/ us-gaap_InternalCreditAssessmentAxis
= pacw_ClassifiedMember