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Subordinated Debentures - Summary of Subordinated Debentures (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 USD ($) grantor_trust
Subordinated Borrowing [Line Items] |
Right to defer consecutive payments of interest, maximum term | 5 years
Other assets |
Subordinated Borrowing [Line Items] |
Investment in common trust securities | $ 3,900
Hope Bancorp Grantor Trust [Member] |
Subordinated Borrowing [Line Items] |
Number of grantor trusts issuing securities | grantor_trust | 9
Trust Preferred Securities Subject to Mandatory Redemption |
Subordinated Borrowing [Line Items] |
Trust Preferred Security Amount | $ 126,000
Percent included in tier one capital, maximum | 25.00%
Excess of percent threshold included in tier two capital | 25.00%
Trust Preferred Securities Subject to Mandatory Redemption | Hope Bancorp Grantor Trust [Member] |
Subordinated Borrowing [Line Items] |
Trust Preferred Security Amount | $ 126,000

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- Definition Debt Issuance To Capital, Excess Of Percent Threshold, Included in Tier Two Capital + References No definition available. + Details
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Balance Type: | na
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- Definition Debt Issuance To Capital, Percent Included in Tier One Capital, Maximum + References No definition available. + Details
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- Definition Investment in Common Trust Securities + References No definition available. + Details
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Balance Type: | debit
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- Definition Number of Grantor Trusts Issuing Securities + References No definition available. + Details
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Balance Type: | na
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- Definition Subordinated Borrowing, Right to Defer Consecutive Payments of Interest, Maximum Term + References No definition available. + Details
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- Definition Trust Preferred Security Amount + References No definition available. + Details
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Period Type: | instant

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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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Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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