XML 72 R62.htm IDEA: XBRL DOCUMENT
v3.4.0.3

LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Additional Information (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 USD ($) Loan | Mar. 31, 2015 USD ($) Loan | Dec. 31, 2015 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | $ 5,463,068,000 | $ 3,933,715,000 | $ 5,184,394,000
Percentage decrease in credit score to run exception report | 10.00% |  |
Number of Loans | Loan |  | 2 |
Troubled debt restructured loans and leases | $ 17,673,000 |  | 9,812,000
Number of loans modified that had payments default during the period | Loan | 2 | 0 |
Aggregate principal, loans modified that had payments default during the period | $ 407,000 |  |
Loans delinquent | 60 days |  |
Interest rate changes, extension of maturities, and principal payment deferral |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Number of Loans | Loan | 17 |  |
Troubled debt restructured loans and leases | $ 4,300,000 |  |
Interest rate changes and extension of maturities |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Number of Loans | Loan | 15 |  |
Troubled debt restructured loans and leases | $ 3,900,000 |  |
Extension of maturities |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Number of Loans | Loan | 4 |  |
Troubled debt restructured loans and leases | $ 368,000 |  |
Extension of maturities and principal payment deferral |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Number of Loans | Loan | 1 |  |
Troubled debt restructured loans and leases | $ 507,000 |  |
Interest rate changes |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Number of Loans | Loan | 1 |  |
Troubled debt restructured loans and leases | $ 78,000 |  |
Unfunded Loan Commitment |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Unfunded loan commitments | $ 1,300,000 |  | $ 2,100,000
Loan Portfolio | Loan Portfolio Concentration Risk |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Concentration risk percentage | 100.00% |  | 100.00%
Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Number of Loans | Loan | 38 | 2 |
Consumer | Single Family Residential Mortgage |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | $ 2,282,445,000 | $ 1,169,134,000 |
Non-Traditional Mortgages (NTM) |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 799,801,000 |  | $ 785,908,000
Troubled debt restructured loans and leases | $ 3,694,000 |  | $ 3,968,000
Non-Traditional Mortgages (NTM) | Loan Portfolio | Loan Portfolio Concentration Risk |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Concentration risk percentage | 14.60% |  | 15.20%
Non-Traditional Mortgages (NTM) | Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | $ 799,801,000 |  | $ 785,908,000
Increase (decrease) in loans receivable | $ 13,900,000 |  |
Increase (decrease) in loans receivable, percentage | 1.80% |  |
Non-Traditional Mortgages (NTM) | Consumer | Green Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | $ 106,500,000 |  | 109,800,000
Interest only notes balloon payment period | 15 years |  |
Non-Traditional Mortgages (NTM) | Consumer | Interest Only Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | $ 682,000,000 |  | 664,500,000
Non-Traditional Mortgages (NTM) | Consumer | Negative amortization |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 11,300,000 |  | 11,600,000
Non-Traditional Mortgages (NTM) | Consumer | Nonperforming Financing Receivable | Green Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 10,000,000 |  | 10,100,000
Non-Traditional Mortgages (NTM) | Consumer | Nonperforming Financing Receivable | Interest Only Loans |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | 3,400,000 |  | 4,600,000
Non-Traditional Mortgages (NTM) | Consumer | Nonperforming Financing Receivable | Negative amortization |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Gross loans | $ 0 |  | $ 0
Non-Traditional Mortgages (NTM) | Consumer | Loan Portfolio | Loan Portfolio Concentration Risk |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Concentration risk percentage | 14.60% |  | 15.20%

X
- Definition Exception Report, Decrease in FICO Score, Percent + References No definition available. + Details
Name: | banc_ExceptionReportDecreaseinFICOScorePercent
Namespace Prefix: | banc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of days delinquent at which a loan or lease is individually analyzed. + References No definition available. + Details
Name: | banc_FinancingReceivableDaysDelinquentClassifiedasCreditRisk
Namespace Prefix: | banc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loans and Leases Receivable, Gross, Increase (Decrease) in Period + References No definition available. + Details
Name: | banc_LoansandLeasesReceivableGrossIncreaseDecreaseinPeriod
Namespace Prefix: | banc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Loans and Leases Receivable, Gross, Percentage Increase (Decrease) in Period + References No definition available. + Details
Name: | banc_LoansandLeasesReceivableGrossPercentageIncreaseDecreaseinPeriod
Namespace Prefix: | banc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Mortgage Loans on Real Estate, Periodic Payment Terms, Balloon Payment Period + References No definition available. + Details
Name: | banc_MortgageLoansonRealEstatePeriodicPaymentTermsBalloonPaymentPeriod
Namespace Prefix: | banc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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 No definition available. + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13531-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73719730&loc=d3e13537-108611 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsNumberOfContracts2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Recorded Investment -URI http://asc.fasb.org/extlink&oid=65880944 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and for which there was a payment default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953682-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953682-111524 + Details
Name: | us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=banc_ContractualInterestRateReductionExtendedMaturityAndPaymentDeferralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=banc_ContractualInterestRateReductionAndExtendedMaturityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ExtendedMaturityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=banc_ExtendedMaturityAndPaymentDeferralMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LoanRestructuringModificationAxis=us-gaap_ContractualInterestRateReductionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_UnfundedLoanCommitmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=banc_LoanPortfolioMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByTypeAxis=banc_LoanPortfolioConcentrationRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=banc_ConsumerSingleFamilyResidentialMortgageReceivableandHomeEquityLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=banc_LoansAndFinanceReceivablesNonTraditionalMortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=banc_GreenLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=banc_InterestOnlyLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ProductOrServiceAxis=banc_NegativeAmortizationLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=banc_NonperformingFinancialInstrumentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |