XML 87 R76.htm IDEA: XBRL DOCUMENT v3.7.0.1

LOANS AND LEASES AND ALLOWANCE FOR LOAN AND LEASE LOSSES - Non Traditional Mortgage Performance Loan to Value Ratio (Detail) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2017 USD ($) Loan	Dec. 31, 2016 USD ($) Loan	Jun. 30, 2016 USD ($)
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 5,956,337	$ 6,034,752	$ 6,236,115
Non-Traditional Mortgages (NTM)
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 773,037	$ 885,148
Consumer | Non-Traditional Mortgages (NTM)
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	557	663
Loans	$ 773,037	$ 885,148
Consumer | Non-Traditional Mortgages (NTM) | Green Loans
Financing Receivable, Recorded Investment [Line Items]
Loans	86,000	91,000
Consumer | Non-Traditional Mortgages (NTM) | Interest Only Loans
Financing Receivable, Recorded Investment [Line Items]
Loans	683,200	784,400
Consumer | Non-Traditional Mortgages (NTM) | Negative amortization
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 3,800	$ 9,800
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	545	651
Loans	$ 769,495	$ 881,589
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Loan Portfolio Concentration Risk | Nontraditional First Lien Mortgage Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	100.00%	100.00%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Green Loans
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	102	107
Loans	$ 82,497	$ 87,469
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Green Loans | Loan Portfolio Concentration Risk | Green Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	100.00%	100.00%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Interest Only Loans
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	432	522
Loans	$ 683,246	$ 784,364
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Interest Only Loans | Loan Portfolio Concentration Risk | Interest Only Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	100.00%	100.00%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Negative amortization
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	11	22
Loans	$ 3,752	$ 9,756
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Negative amortization | Loan Portfolio Concentration Risk | Negative Amortization Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	100.00%	100.00%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Less than 61
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	248	257
Loans	$ 378,732	$ 382,892
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Less than 61 | Loan Portfolio Concentration Risk | Nontraditional First Lien Mortgage Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	49.20%	43.40%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Less than 61 | Green Loans
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	55	45
Loans	$ 45,809	$ 39,105
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Less than 61 | Green Loans | Loan Portfolio Concentration Risk | Green Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	55.50%	44.70%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Less than 61 | Interest Only Loans
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	185	196
Loans	$ 330,235	$ 336,744
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Less than 61 | Interest Only Loans | Loan Portfolio Concentration Risk | Interest Only Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	48.30%	42.90%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Less than 61 | Negative amortization
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	8	16
Loans	$ 2,688	$ 7,043
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Less than 61 | Negative amortization | Loan Portfolio Concentration Risk | Negative Amortization Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	71.60%	72.20%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 61-80
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	272	364
Loans	$ 359,113	$ 478,714
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 61-80 | Loan Portfolio Concentration Risk | Nontraditional First Lien Mortgage Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	46.70%	54.30%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 61-80 | Green Loans
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	39	52
Loans	$ 30,942	$ 41,732
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 61-80 | Green Loans | Loan Portfolio Concentration Risk | Green Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	37.50%	47.70%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 61-80 | Interest Only Loans
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	230	306
Loans	$ 327,107	$ 434,269
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 61-80 | Interest Only Loans | Loan Portfolio Concentration Risk | Interest Only Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	47.90%	55.40%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 61-80 | Negative amortization
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	3	6
Loans	$ 1,064	$ 2,713
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 61-80 | Negative amortization | Loan Portfolio Concentration Risk | Negative Amortization Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	28.40%	27.80%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 81-100
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	25	18
Loans	$ 31,650	$ 15,460
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 81-100 | Loan Portfolio Concentration Risk | Nontraditional First Lien Mortgage Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	4.10%	1.80%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 81-100 | Green Loans
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	8	10
Loans	$ 5,746	$ 6,632
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 81-100 | Green Loans | Loan Portfolio Concentration Risk | Green Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	7.00%	7.60%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 81-100 | Interest Only Loans
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	17	8
Loans	$ 25,904	$ 8,828
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 81-100 | Interest Only Loans | Loan Portfolio Concentration Risk | Interest Only Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	3.80%	1.10%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 81-100 | Negative amortization
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	0	0
Loans	$ 0	$ 0
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | 81-100 | Negative amortization | Loan Portfolio Concentration Risk | Negative Amortization Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	0.00%	0.00%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Greater than 100
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	0	12
Loans	$ 0	$ 4,523
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Greater than 100 | Loan Portfolio Concentration Risk | Nontraditional First Lien Mortgage Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	0.00%	0.50%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Greater than 100 | Green Loans
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	0	0
Loans	$ 0	$ 0
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Greater than 100 | Green Loans | Loan Portfolio Concentration Risk | Green Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	0.00%	0.00%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Greater than 100 | Interest Only Loans
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	0	12
Loans	$ 0	$ 4,523
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Greater than 100 | Interest Only Loans | Loan Portfolio Concentration Risk | Interest Only Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	0.00%	0.60%
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Greater than 100 | Negative amortization
Financing Receivable, Recorded Investment [Line Items]
Count | Loan	0	0
Loans	$ 0	$ 0
Consumer | Non-Traditional Mortgages (NTM) | Green Loans (HELOC) - first liens | Greater than 100 | Negative amortization | Loan Portfolio Concentration Risk | Negative Amortization Loans Portfolio
Financing Receivable, Recorded Investment [Line Items]
Concentration risk percentage	0.00%	0.00%

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=84177426&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=77997519&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=84177426&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=77997519&loc=d3e13537-108611

+ Details

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
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_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. 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=82891408&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524

+ Details

Name:	us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Indicates the number of mortgages under each classification.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 948
-SubTopic 310
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-29.3)
-URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 10
-Section S99
-Paragraph 6
-Subparagraph (SX 210.5-04.(c) Schedule IV)
-URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674

+ Details

Name:	us-gaap_MortgageLoansOnRealEstateNumberOfLoans
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=banc_LoansAndFinanceReceivablesNonTraditionalMortgagesMember
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_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_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis=us-gaap_FirstMortgageMember
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_ConcentrationRiskByBenchmarkAxis=banc_NontraditionalFirstLienMortgageLoansPortfolioMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=banc_GreenLoansPortfolioMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=banc_InterestOnlyLoansPortfolioMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ConcentrationRiskByBenchmarkAxis=banc_NegativeAmortizationLoansPortfolioMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LoanToValueAxis=banc_LoantoValueLessThanSixtyOnePercentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LoanToValueAxis=banc_LoantoValueSixtyOnetoEightyPercentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LoanToValueAxis=banc_LoantoValueEightyOnetoOneHundredPercentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_LoanToValueAxis=banc_LoantoValueLessthanOneHundredPercentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: