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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Allowance for Loan and Lease Losses (Details) | 12 Months Ended
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Dec. 31, 2015 rolling_quarter industry_group
Accounting Policies [Abstract] |
Look-back period | rolling_quarter | 28
Number of industry groups | industry_group | 3
Delinquency period | 60 days
SBA |
Financing Receivable, Modifications [Line Items] |
Percentage of credit enhancement for loans up to $150,000 | 85.00%
Percentage of credit enhancement for loans greater than $150,000 | 75.00%

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- Definition Allowance for Loan and Lease Losses, Comparative Analysis, Look-back Period + References No definition available. + Details
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- Definition Allowance for Loan and Lease Losses, Number of Industry Groups + References No definition available. + Details
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Namespace Prefix: | banc_
Data Type: | xbrli:integerItemType
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- Definition Number of days delinquent at which a loan or lease is individually analyzed. + References No definition available. + Details
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- Definition Loans and Leases Receivable, Percentage of Credit Enhancement For Loans Up To $150,000 + References No definition available. + Details
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Period Type: | duration

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- Definition Loans and Leases Receivable, Percentage of Credit Enhancement for Loans Greater than $150,000 + References No definition available. + Details
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- References No definition available. + Details
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- 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
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- Details
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