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Subordinated Debentures - Summary of Trust Preferred Securities and Debentures (Details) - USD ($) | Mar. 31, 2016 | Dec. 31, 2015
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Subordinated Borrowing [Line Items] |  |  |
Carrying Value of Subordinated Debentures Amount |  | $ 42,371,000 | $ 42,327,000
Nara Capital Trust III |  |  |
Subordinated Borrowing [Line Items] |  |  |
Initial Rate |  | 3.78% |
Nara Statutory Trust IV |  |  |
Subordinated Borrowing [Line Items] |  |  |
Initial Rate |  | 3.47% |
Nara Statutory Trust V |  |  |
Subordinated Borrowing [Line Items] |  |  |
Initial Rate |  | 3.59% |
Nara Statutory Trust VI |  |  |
Subordinated Borrowing [Line Items] |  |  |
Initial Rate |  | 2.28% |
Center Capital Trust I |  |  |
Subordinated Borrowing [Line Items] |  |  |
Initial Rate | [1] | 3.47% |
Trust Preferred Security Amount |  |  |
Subordinated Borrowing [Line Items] |  |  |
Trust Preferred Security Amount |  | $ 46,000,000 |
Trust Preferred Security Amount | Nara Capital Trust III |  |  |
Subordinated Borrowing [Line Items] |  |  |
Trust Preferred Security Amount |  | 5,000,000 |
Trust Preferred Security Amount | Nara Statutory Trust IV |  |  |
Subordinated Borrowing [Line Items] |  |  |
Trust Preferred Security Amount |  | 5,000,000 |
Trust Preferred Security Amount | Nara Statutory Trust V |  |  |
Subordinated Borrowing [Line Items] |  |  |
Trust Preferred Security Amount |  | 10,000,000 |
Trust Preferred Security Amount | Nara Statutory Trust VI |  |  |
Subordinated Borrowing [Line Items] |  |  |
Trust Preferred Security Amount |  | 8,000,000 |
Trust Preferred Security Amount | Center Capital Trust I |  |  |
Subordinated Borrowing [Line Items] |  |  |
Trust Preferred Security Amount | [1] | 18,000,000 |
Subordinated Debentures Amount |  |  |
Subordinated Borrowing [Line Items] |  |  |
Carrying Value of Subordinated Debentures Amount |  | 42,371,000 |
Subordinated Debentures Amount | Nara Capital Trust III |  |  |
Subordinated Borrowing [Line Items] |  |  |
Carrying Value of Subordinated Debentures Amount |  | 5,155,000 |
Subordinated Debentures Amount | Nara Statutory Trust IV |  |  |
Subordinated Borrowing [Line Items] |  |  |
Carrying Value of Subordinated Debentures Amount |  | 5,155,000 |
Subordinated Debentures Amount | Nara Statutory Trust V |  |  |
Subordinated Borrowing [Line Items] |  |  |
Carrying Value of Subordinated Debentures Amount |  | 10,310,000 |
Subordinated Debentures Amount | Nara Statutory Trust VI |  |  |
Subordinated Borrowing [Line Items] |  |  |
Carrying Value of Subordinated Debentures Amount |  | 8,248,000 |
Subordinated Debentures Amount | Center Capital Trust I |  |  |
Subordinated Borrowing [Line Items] |  |  |
Carrying Value of Subordinated Debentures Amount | [1] | $ 13,503,000 |
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + 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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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Article 5 -Subsection 19, 20, 22 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 10 -Section F + Details
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