XML 187 R173.htm IDEA: XBRL DOCUMENT
v3.10.0.1

STOCKHOLDERS' EQUITY - Tangible Equity Units (Details) $ / shares in Units, $ in Thousands |  | 12 Months Ended
--- | --- | ---
May 21, 2014 USD ($) $ / shares shares | Dec. 31, 2018 shares
Class of Stock [Line Items] |  |
Minimum settlement rate | 4.4456 |
Market value greater or equal to (in dollars per share) | $ / shares | $ 11.247 |
Maximum settlement rate | 5.1124 |
Market value less than or equal to (in dollars per share) | $ / shares | $ 9.78 |
Issuance of shares of voting common stock (in shares) | shares |  | 6,134,988
Junior Subordinated Debt | 7.50% Amortizing Note Due May 15, 2017 |  |
Class of Stock [Line Items] |  |
Tangible equity units issued during period, shares | shares | 1,380,000 |
Tangible equity units issued to underwriter during period, shares | shares | 180,000 |
Proceeds from issuance of tangible equity units, net of issuance costs | $ 65,000 |
Fair value of debt instrument | 14,600 |
Adjustments to additional paid in capital, issuance of tangible equity units | 54,400 |
Tangible equity units issued, issuance costs | 4,000 |
Debt instrument, deferred finance cost | 857 |
Adjustments to additional paid in capital, tangible equity units issued, issuance costs | $ 3,200 |

X
- Definition Adjustments to Additional Paid in Capital, Tangible Equity Units Issued, Value + References No definition available. + Details
Name: | banc_AdjustmentstoAdditionalPaidinCapitalTangibleEquityUnitsIssuedValue
Namespace Prefix: | banc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Payment of Tangible Units Issued, Issuance Costs + References No definition available. + Details
Name: | banc_PaymentofTangibleUnitsIssuedIssuanceCosts
Namespace Prefix: | banc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Payment of Tangible Units Issued, Issuance Costs, Allocated to Debt + References No definition available. + Details
Name: | banc_PaymentofTangibleUnitsIssuedIssuanceCostsAllocatedtoDebt
Namespace Prefix: | banc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Payment of Tangible Units Issued, Issuance Costs, Allocated to Equity + References No definition available. + Details
Name: | banc_PaymentofTangibleUnitsIssuedIssuanceCostsAllocatedtoEquity
Namespace Prefix: | banc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Proceeds from Issuance of Tangible Equity Units, Net of Issuance Costs + References No definition available. + Details
Name: | banc_ProceedsFromIssuanceOfTangibleEquityUnitsNetOfIssuanceCosts
Namespace Prefix: | banc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Purchase Contract, Maximum Settlement Rate, Maximum Market Value Per Share + References No definition available. + Details
Name: | banc_SharebasedCompensationArrangementbySharebasedPaymentAwardPurchaseContractMaximumSettlementRateMaximumMarketValuePerShare
Namespace Prefix: | banc_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Purchase Contract, Minimum Settlement Rate, Minimum Market Value Per Share + References No definition available. + Details
Name: | banc_SharebasedCompensationArrangementbySharebasedPaymentAwardPurchaseContractMinimumSettlementRateMinimumMarketValuePerShare
Namespace Prefix: | banc_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Purchase Contract, Settlement Rate, Maximum Settlement Rate + References No definition available. + Details
Name: | banc_SharebasedCompensationArrangementbySharebasedPaymentAwardPurchaseContractSettlementRateMaximumSettlementRate
Namespace Prefix: | banc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Share-based Compensation Arrangement by Share-based Payment Award, Purchase Contract, Settlement Rate, Minimum Settlement Rate + References No definition available. + Details
Name: | banc_SharebasedCompensationArrangementbySharebasedPaymentAwardPurchaseContractSettlementRateMinimumSettlementRate
Namespace Prefix: | banc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | instant

X
- Definition Tangible Equity Units, Issued, Shares + References No definition available. + Details
Name: | banc_TangibleEquityUnitsIssuedShares
Namespace Prefix: | banc_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tangible Equity Units, Issued, Underwriter Overallotment Option + References No definition available. + Details
Name: | banc_TangibleEquityUnitsIssuedUnderwriterOverallotmentOption
Namespace Prefix: | banc_
Data Type: | xbrli:sharesItemType
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_ClassOfStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611 + Details
Name: | us-gaap_DebtInstrumentFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Number of shares issued during the period as a result of the conversion of convertible securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.29-30) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 + Details
Name: | us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_JuniorSubordinatedDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=banc_SevenPointFivePercentAmortizingNoteDueMay152017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |