XML 97 R80.htm IDEA: XBRL DOCUMENT v3.3.0.814

LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Risk Categories for Loans and Leases (Detail) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Sep. 30, 2014
Financing Receivable, Recorded Investment [Line Items]
Gross loans	$ 4,730,077	$ 3,949,122	$ 2,712,068
Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	4,254,103	3,581,683
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	38,617	33,612
Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	78,686	103,016
Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	324	0
Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	358,347	230,811
Single family residential mortgage
Financing Receivable, Recorded Investment [Line Items]
Gross loans	1,901,376	1,048,485
Consumer Home Equity Loan | Green Loans (HELOC) - first liens
Financing Receivable, Recorded Investment [Line Items]
Gross loans	112,074	123,177
Consumer Home Equity Loan | Green Loans (HELOC) - second liens
Financing Receivable, Recorded Investment [Line Items]
Gross loans	4,681	4,979
Other consumer
Financing Receivable, Recorded Investment [Line Items]
Gross loans	120,015	161,939
Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Gross loans	822,690	490,900	366,416
Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Gross loans	690,862	999,857	521,867
Multi-family
Financing Receivable, Recorded Investment [Line Items]
Gross loans	823,415	955,683	367,364
SBA
Financing Receivable, Recorded Investment [Line Items]
Gross loans	52,985	36,155	25,729
Construction
Financing Receivable, Recorded Investment [Line Items]
Gross loans	39,475	42,198	25,997
Lease financing
Financing Receivable, Recorded Investment [Line Items]
Gross loans	162,504	85,749	$ 72,027
Purchased Credit Impaired
Financing Receivable, Recorded Investment [Line Items]
Gross loans	372,557	246,897
Purchased Credit Impaired | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	6,711	7,457
Purchased Credit Impaired | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	527	1,336
Purchased Credit Impaired | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	6,972	7,293
Purchased Credit Impaired | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	358,347	230,811
Purchased Credit Impaired | Single family residential mortgage
Financing Receivable, Recorded Investment [Line Items]
Gross loans	358,488	231,079
Purchased Credit Impaired | Single family residential mortgage | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | Single family residential mortgage | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | Single family residential mortgage | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	141	268
Purchased Credit Impaired | Single family residential mortgage | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | Single family residential mortgage | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	358,347	230,811
Purchased Credit Impaired | Consumer Home Equity Loan | Green Loans (HELOC) - first liens
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | Consumer Home Equity Loan | Green Loans (HELOC) - second liens
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | Other consumer
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Gross loans	456	1,134
Purchased Credit Impaired | Commercial and industrial | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	67	104
Purchased Credit Impaired | Commercial and industrial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | Commercial and industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	389	1,030
Purchased Credit Impaired | Commercial and industrial | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | Commercial and industrial | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Gross loans	10,490	11,527
Purchased Credit Impaired | Commercial real estate | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	5,645	6,676
Purchased Credit Impaired | Commercial real estate | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	527	985
Purchased Credit Impaired | Commercial real estate | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	4,318	3,866
Purchased Credit Impaired | Commercial real estate | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | Commercial real estate | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | Multi-family
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | SBA
Financing Receivable, Recorded Investment [Line Items]
Gross loans	3,123	3,157
Purchased Credit Impaired | SBA | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	999	677
Purchased Credit Impaired | SBA | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	351
Purchased Credit Impaired | SBA | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	2,124	2,129
Purchased Credit Impaired | SBA | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | SBA | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | Construction
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Purchased Credit Impaired | Lease financing
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM)
Financing Receivable, Recorded Investment [Line Items]
Gross loans	759,278	350,575
Non-Traditional Mortgages (NTM) | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	726,575	329,270
Non-Traditional Mortgages (NTM) | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	13,963	678
Non-Traditional Mortgages (NTM) | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	18,740	20,627
Non-Traditional Mortgages (NTM) | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens
Financing Receivable, Recorded Investment [Line Items]
Gross loans	754,484	345,483
Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - second liens
Financing Receivable, Recorded Investment [Line Items]
Gross loans	4,794	5,092
Non-Traditional Mortgages (NTM) | Single family residential mortgage
Financing Receivable, Recorded Investment [Line Items]
Gross loans	642,410	222,306
Non-Traditional Mortgages (NTM) | Single family residential mortgage | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	627,232	219,747
Non-Traditional Mortgages (NTM) | Single family residential mortgage | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	11,634	279
Non-Traditional Mortgages (NTM) | Single family residential mortgage | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	3,544	2,280
Non-Traditional Mortgages (NTM) | Single family residential mortgage | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Single family residential mortgage | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - first liens
Financing Receivable, Recorded Investment [Line Items]
Gross loans	112,074	123,177
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - first liens | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	94,549	104,640
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - first liens | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	2,329	399
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - first liens | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	15,196	18,138
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - first liens | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - first liens | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - second liens
Financing Receivable, Recorded Investment [Line Items]
Gross loans	4,681	4,979
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - second liens | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	4,681	4,770
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - second liens | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - second liens | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	209
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - second liens | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Consumer Home Equity Loan | Green Loans (HELOC) - second liens | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Other consumer
Financing Receivable, Recorded Investment [Line Items]
Gross loans	113	113
Non-Traditional Mortgages (NTM) | Other consumer | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	113	113
Non-Traditional Mortgages (NTM) | Other consumer | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Other consumer | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Other consumer | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Other consumer | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Multi-family
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | SBA
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Construction
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Non-Traditional Mortgages (NTM) | Lease financing
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans
Financing Receivable, Recorded Investment [Line Items]
Gross loans	3,598,242	3,351,650
Traditional Loans | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	3,520,817	3,244,956
Traditional Loans | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	24,127	31,598
Traditional Loans | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	52,974	75,096
Traditional Loans | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	324	0
Traditional Loans | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Single family residential mortgage
Financing Receivable, Recorded Investment [Line Items]
Gross loans	900,478	595,100
Traditional Loans | Single family residential mortgage | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	862,454	569,871
Traditional Loans | Single family residential mortgage | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	13,477	10,395
Traditional Loans | Single family residential mortgage | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	24,547	14,834
Traditional Loans | Single family residential mortgage | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Single family residential mortgage | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Consumer Home Equity Loan | Green Loans (HELOC) - first liens
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Consumer Home Equity Loan | Green Loans (HELOC) - second liens
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Other consumer
Financing Receivable, Recorded Investment [Line Items]
Gross loans	119,902	161,826
Traditional Loans | Other consumer | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	119,620	161,701
Traditional Loans | Other consumer | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	151	85
Traditional Loans | Other consumer | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	131	40
Traditional Loans | Other consumer | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Other consumer | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Commercial and industrial
Financing Receivable, Recorded Investment [Line Items]
Gross loans	822,234	489,766
Traditional Loans | Commercial and industrial | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	803,562	477,319
Traditional Loans | Commercial and industrial | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	3,188	117
Traditional Loans | Commercial and industrial | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	15,484	12,330
Traditional Loans | Commercial and industrial | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Commercial and industrial | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Commercial real estate
Financing Receivable, Recorded Investment [Line Items]
Gross loans	680,372	988,330
Traditional Loans | Commercial real estate | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	666,013	943,645
Traditional Loans | Commercial real estate | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	6,282	14,281
Traditional Loans | Commercial real estate | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	8,077	30,404
Traditional Loans | Commercial real estate | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Commercial real estate | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Multi-family
Financing Receivable, Recorded Investment [Line Items]
Gross loans	823,415	955,683
Traditional Loans | Multi-family | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	819,118	932,438
Traditional Loans | Multi-family | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	1,029	6,684
Traditional Loans | Multi-family | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	3,268	16,561
Traditional Loans | Multi-family | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Multi-family | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | SBA
Financing Receivable, Recorded Investment [Line Items]
Gross loans	49,862	32,998
Traditional Loans | SBA | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	48,956	32,171
Traditional Loans | SBA | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | SBA | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	906	827
Traditional Loans | SBA | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | SBA | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Construction
Financing Receivable, Recorded Investment [Line Items]
Gross loans	39,475	42,198
Traditional Loans | Construction | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	39,475	42,198
Traditional Loans | Construction | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Construction | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Construction | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Construction | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	0
Traditional Loans | Lease financing
Financing Receivable, Recorded Investment [Line Items]
Gross loans	162,504	85,749
Traditional Loans | Lease financing | Pass
Financing Receivable, Recorded Investment [Line Items]
Gross loans	161,619	85,613
Traditional Loans | Lease financing | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Gross loans	0	36
Traditional Loans | Lease financing | Substandard
Financing Receivable, Recorded Investment [Line Items]
Gross loans	561	100
Traditional Loans | Lease financing | Doubtful
Financing Receivable, Recorded Investment [Line Items]
Gross loans	324	0
Traditional Loans | Lease financing | Not-Rated
Financing Receivable, Recorded Investment [Line Items]
Gross loans	$ 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_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
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=28367877&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_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=banc_NotRatedMember
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_ConsumerHomeEquityLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis=us-gaap_FirstMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis=us-gaap_SecondMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerOtherFinancingReceivableMember
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=us-gaap_CommercialRealEstateOtherReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=banc_CommercialMultiFamilyReceivableMember
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_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstateConstructionFinancingReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=banc_CommercialLeaseFinancingReceivableMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	banc_ReceivablesAcquiredwithDeterioratedCreditQualityAxis=banc_ReceivablesAcquiredwithDeterioratedCreditQualityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	banc_FinancingReceivablePortfolioSegmentAxis=banc_NonTraditionalMortgagesLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	banc_FinancingReceivablePortfolioSegmentAxis=banc_TraditionalLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: