XML 24 R66.htm IDEA: XBRL DOCUMENT
v3.20.1

LOANS AND ALLOWANCE FOR CREDIT LOSSES - Components of Troubled Debt Restructured Loans and Leases (Detail) - USD ($) $ in Thousands | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | $ 26,952 | $ 21,837
NTM Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | 2,924 | 2,932
Traditional Loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | 24,028 | 18,905
Commercial | Commercial and industrial |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | 21,586 | 16,245
Commercial | SBA |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | 266 | 266
Commercial | NTM Loans | Commercial and industrial |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | 0 | 0
Commercial | NTM Loans | SBA |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | 0 | 0
Commercial | Traditional Loans | Commercial and industrial |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | 21,586 | 16,245
Commercial | Traditional Loans | SBA |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | 266 | 266
Consumer | Single family residential mortgage |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | 4,806 | 5,032
Consumer | Other consumer |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | 294 | 294
Consumer | NTM Loans | Single family residential mortgage |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | 2,630 | 2,638
Consumer | NTM Loans | Other consumer |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | 294 | 294
Consumer | Traditional Loans | Single family residential mortgage |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | 2,176 | 2,394
Consumer | Traditional Loans | Other consumer |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Troubled debt restructured loans and leases | $ 0 | $ 0

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_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118939409&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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

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

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

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

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