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Loans Receivable and Allowance for Loan Losses - Loans Held For Investment - Reclassification to Held for Sale (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Sale or reclassification to held for sale | $ 400 | $ 450
Commercial & industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Sale or reclassification to held for sale | 0 | 384
Real Estate - Construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Sale or reclassification to held for sale | 0 | 0
Commercial Business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Sale or reclassification to held for sale | 0 | 66
Consumer and other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Sale or reclassification to held for sale | $ 400 | $ 0

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- Definition Financing Receivable, Sale Or Reclassification to Held For Sale + References No definition available. + Details
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Namespace Prefix: | bbcn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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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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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
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- Details
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Data Type: | na
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- Details
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Balance Type: |
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