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LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Risk Categories for Loans and Leases (Detail) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Mar. 31, 2014
Financing Receivable, Recorded Investment [Line Items]      
Gross loans $ 3,933,715us-gaap_LoansAndLeasesReceivableGrossCarryingAmount $ 3,949,122us-gaap_LoansAndLeasesReceivableGrossCarryingAmount $ 2,396,995us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Pass      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 3,566,394us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 3,581,683us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		  
Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 42,586us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		 33,612us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		  
Substandard      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 97,538us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		 103,016us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		  
Doubtful      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 301us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember		 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember		  
Not-Rated      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 226,896us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= banc_NotRatedMember		 230,811us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= banc_NotRatedMember		  
Single family residential mortgage      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 1,049,176us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember		 1,048,485us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember		  
Consumer Home Equity Loan | Green Loans (HELOC) - first liens      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 119,958us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerHomeEquityLoanMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis
= us-gaap_FirstMortgageMember		 123,177us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerHomeEquityLoanMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis
= us-gaap_FirstMortgageMember		  
Consumer Home Equity Loan | Green Loans (HELOC) - second liens      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 4,748us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerHomeEquityLoanMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis
= us-gaap_SecondMortgageMember		 4,979us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerHomeEquityLoanMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis
= us-gaap_SecondMortgageMember		  
Other consumer      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 166,470us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerOtherFinancingReceivableMember		 161,939us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_ConsumerOtherFinancingReceivableMember		  
Commercial and industrial      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 489,229us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_CommercialandIndustrialReceivableMember		 490,900us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_CommercialandIndustrialReceivableMember		 299,184us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_CommercialandIndustrialReceivableMember
Commercial real estate      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 975,734us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateOtherReceivableMember		 999,857us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateOtherReceivableMember		 560,581us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateOtherReceivableMember
Multi-family      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 940,053us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_CommercialMultiFamilyReceivableMember		 955,683us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_CommercialMultiFamilyReceivableMember		 155,382us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_CommercialMultiFamilyReceivableMember
SBA      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 48,254us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_CommercialSmallBusinessAdministrationReceivableMember		 36,155us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_CommercialSmallBusinessAdministrationReceivableMember		 26,541us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_CommercialSmallBusinessAdministrationReceivableMember
Construction      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 38,081us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember		 42,198us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember		 25,144us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
Lease financing      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 102,012us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_CommercialLeaseFinancingReceivableMember		 85,749us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_CommercialLeaseFinancingReceivableMember		 48,537us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_CommercialLeaseFinancingReceivableMember
Purchased Credit Impaired      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 241,798us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		 246,897us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Pass      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 6,156us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		 7,457us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 1,320us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		 1,336us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 7,426us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		 7,293us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Doubtful      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
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= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Not-Rated      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 226,896us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= banc_NotRatedMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		 230,811us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_InternalCreditAssessmentAxis
= banc_NotRatedMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Single family residential mortgage      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 227,151us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		 231,079us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Single family residential mortgage | Pass      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
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= us-gaap_PassMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Single family residential mortgage | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
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= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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= us-gaap_SpecialMentionMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Single family residential mortgage | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 255us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		 268us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Single family residential mortgage | Doubtful      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
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= us-gaap_DoubtfulMember
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/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Single family residential mortgage | Not-Rated      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 226,896us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= banc_NotRatedMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		 230,811us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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/ us-gaap_InternalCreditAssessmentAxis
= banc_NotRatedMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Consumer Home Equity Loan | Green Loans (HELOC) - first liens      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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= us-gaap_FirstMortgageMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Consumer Home Equity Loan | Green Loans (HELOC) - second liens      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerHomeEquityLoanMember
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/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
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Purchased Credit Impaired | Other consumer      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Commercial and industrial      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 1,079us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_CommercialandIndustrialReceivableMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		 1,134us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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= banc_CommercialandIndustrialReceivableMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Commercial and industrial | Pass      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 92us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		 104us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Commercial and industrial | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
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Purchased Credit Impaired | Commercial and industrial | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 987us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_CommercialandIndustrialReceivableMember
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= us-gaap_SubstandardMember
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= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		 1,030us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Commercial and industrial | Doubtful      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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= us-gaap_DoubtfulMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Purchased Credit Impaired | Commercial and industrial | Not-Rated      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Purchased Credit Impaired | Commercial real estate      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 10,432us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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= us-gaap_CommercialRealEstateOtherReceivableMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
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/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
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Purchased Credit Impaired | Commercial real estate | Pass      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 5,700us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Purchased Credit Impaired | Commercial real estate | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 974us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Purchased Credit Impaired | Commercial real estate | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 3,758us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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= us-gaap_CommercialRealEstateOtherReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
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Purchased Credit Impaired | Commercial real estate | Doubtful      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Purchased Credit Impaired | Commercial real estate | Not-Rated      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Purchased Credit Impaired | Multi-family      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Purchased Credit Impaired | SBA      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 3,136us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
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/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
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Purchased Credit Impaired | SBA | Pass      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 364us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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/ us-gaap_InternalCreditAssessmentAxis
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= us-gaap_PassMember
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Purchased Credit Impaired | SBA | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 346us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Purchased Credit Impaired | SBA | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 2,426us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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= banc_CommercialSmallBusinessAdministrationReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember
/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
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/ us-gaap_InternalCreditAssessmentAxis
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Purchased Credit Impaired | SBA | Doubtful      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Purchased Credit Impaired | SBA | Not-Rated      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Purchased Credit Impaired | Construction      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
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Purchased Credit Impaired | Lease financing      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
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/ banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis
= banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember		  
Non-Traditional Mortgages (NTM)      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 353,825us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember		 350,575us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember		  
Non-Traditional Mortgages (NTM) | Pass      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 329,972us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 329,270us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		  
Non-Traditional Mortgages (NTM) | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 5,097us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		 678us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		  
Non-Traditional Mortgages (NTM) | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 18,455us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		 20,627us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		  
Non-Traditional Mortgages (NTM) | Doubtful      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 301us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember		 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Non-Traditional Mortgages (NTM) | Not-Rated      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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= banc_NotRatedMember		  
Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 348,964us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis
= us-gaap_FirstMortgageMember		 345,483us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis
= us-gaap_FirstMortgageMember		  
Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - second liens      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 4,861us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis
= us-gaap_SecondMortgageMember		 5,092us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis
= us-gaap_SecondMortgageMember		  
Non-Traditional Mortgages (NTM) | Single family residential mortgage      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 229,006us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember		 222,306us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember		  
Non-Traditional Mortgages (NTM) | Single family residential mortgage | Pass      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 224,683us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 219,747us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		  
Non-Traditional Mortgages (NTM) | Single family residential mortgage | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 2,041us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		 279us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SpecialMentionMember		  
Non-Traditional Mortgages (NTM) | Single family residential mortgage | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 2,282us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		 2,280us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		  
Non-Traditional Mortgages (NTM) | Single family residential mortgage | Doubtful      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember		 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_DoubtfulMember		  
Non-Traditional Mortgages (NTM) | Single family residential mortgage | Not-Rated      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
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/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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/ us-gaap_InternalCreditAssessmentAxis
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Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - first liens      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 119,958us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerHomeEquityLoanMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis
= us-gaap_FirstMortgageMember		 123,177us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerHomeEquityLoanMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis
= us-gaap_FirstMortgageMember		  
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - first liens | Pass      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 100,428us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerHomeEquityLoanMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis
= us-gaap_FirstMortgageMember		 104,640us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_NonTraditionalMortgagesLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - first liens | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
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Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - first liens | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
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Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - first liens | Doubtful      
Financing Receivable, Recorded Investment [Line Items]      
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Financing Receivable, Recorded Investment [Line Items]      
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Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - second liens      
Financing Receivable, Recorded Investment [Line Items]      
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Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - second liens | Pass      
Financing Receivable, Recorded Investment [Line Items]      
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Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - second liens | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
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Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - second liens | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
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Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - second liens | Doubtful      
Financing Receivable, Recorded Investment [Line Items]      
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Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - second liens | Not-Rated      
Financing Receivable, Recorded Investment [Line Items]      
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Non-Traditional Mortgages (NTM) | Other consumer      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 113us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Non-Traditional Mortgages (NTM) | Other consumer | Pass      
Financing Receivable, Recorded Investment [Line Items]      
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Non-Traditional Mortgages (NTM) | Other consumer | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
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Non-Traditional Mortgages (NTM) | Other consumer | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
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Non-Traditional Mortgages (NTM) | Other consumer | Doubtful      
Financing Receivable, Recorded Investment [Line Items]      
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Non-Traditional Mortgages (NTM) | Other consumer | Not-Rated      
Financing Receivable, Recorded Investment [Line Items]      
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Non-Traditional Mortgages (NTM) | Commercial and industrial      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Non-Traditional Mortgages (NTM) | Commercial real estate      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Non-Traditional Mortgages (NTM) | Multi-family      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Non-Traditional Mortgages (NTM) | SBA      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
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/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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Non-Traditional Mortgages (NTM) | Construction      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
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/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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Non-Traditional Mortgages (NTM) | Lease financing      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
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Traditional Loans      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 3,338,092us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Traditional Loans | Pass      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 3,230,266us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_TraditionalLoansMember
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= banc_TraditionalLoansMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		  
Traditional Loans | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 36,169us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_TraditionalLoansMember
/ us-gaap_InternalCreditAssessmentAxis
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= banc_TraditionalLoansMember
/ us-gaap_InternalCreditAssessmentAxis
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Traditional Loans | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 71,657us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_TraditionalLoansMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		 75,096us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_TraditionalLoansMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_SubstandardMember		  
Traditional Loans | Doubtful      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Traditional Loans | Not-Rated      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 0us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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Traditional Loans | Single family residential mortgage      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 593,019us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_TraditionalLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember		 595,100us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
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/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
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Traditional Loans | Single family residential mortgage | Pass      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 557,947us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_TraditionalLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		 569,871us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_TraditionalLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
/ us-gaap_InternalCreditAssessmentAxis
= us-gaap_PassMember		  
Traditional Loans | Single family residential mortgage | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
Gross loans 15,848us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
/ banc_FinancingReceivablePortfolioSegmentAxis
= banc_TraditionalLoansMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= banc_ConsumerSingleFamilyResidentialMortgageReceivableMember
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Traditional Loans | Single family residential mortgage | Doubtful      
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Traditional Loans | Other consumer      
Financing Receivable, Recorded Investment [Line Items]      
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Financing Receivable, Recorded Investment [Line Items]      
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Traditional Loans | Other consumer | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
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Traditional Loans | Other consumer | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
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Traditional Loans | Other consumer | Doubtful      
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Traditional Loans | Commercial and industrial      
Financing Receivable, Recorded Investment [Line Items]      
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Financing Receivable, Recorded Investment [Line Items]      
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Traditional Loans | Commercial and industrial | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
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Traditional Loans | Commercial real estate      
Financing Receivable, Recorded Investment [Line Items]      
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Financing Receivable, Recorded Investment [Line Items]      
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Traditional Loans | Commercial real estate | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
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Financing Receivable, Recorded Investment [Line Items]      
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Traditional Loans | Multi-family      
Financing Receivable, Recorded Investment [Line Items]      
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Financing Receivable, Recorded Investment [Line Items]      
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Traditional Loans | Multi-family | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
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Traditional Loans | Multi-family | Substandard      
Financing Receivable, Recorded Investment [Line Items]      
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Financing Receivable, Recorded Investment [Line Items]      
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Financing Receivable, Recorded Investment [Line Items]      
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Traditional Loans | SBA      
Financing Receivable, Recorded Investment [Line Items]      
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Financing Receivable, Recorded Investment [Line Items]      
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Traditional Loans | SBA | Special Mention      
Financing Receivable, Recorded Investment [Line Items]      
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