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Income Taxes - Summary of loss carryforwards by jurisdiction (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Operating Loss Carryforwards [Line Items] |  |
Capital loss carryforward | $ 0 | $ 0
Federal |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carry-forwards, remaining amount | 11,198 | 4,274
Net operating loss carry-forwards, annual limitation | 1,212 | 845
Federal | Nara Bank | Ownership Change |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carry-forwards, remaining amount | 0 | 0
Net operating loss carry-forwards, annual limitation | 0 | 0
Federal | IBKNY |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carry-forwards, remaining amount | 2,979 | 3,476
Net operating loss carry-forwards, annual limitation | 497 | 497
Federal | Asiana Bank |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carry-forwards, remaining amount | 450 | 798
Net operating loss carry-forwards, annual limitation | 348 | 348
Federal | Center Financial Corporation |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carry-forwards, remaining amount | 0 | 0
Federal | Pacific International Bancorp, Inc. |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carry-forwards, remaining amount | 7,769 |
Net operating loss carry-forwards, annual limitation | 367 |
State |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carry-forwards, remaining amount | 14,308 | 27,664
Net operating loss carry-forwards, annual limitation | 13,787 | 13,787
State | Nara Bank | Ownership Change |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carry-forwards, remaining amount | 124 | 124
Net operating loss carry-forwards, annual limitation | 83 | 83
State | IBKNY |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carry-forwards, remaining amount | 0 | 0
Net operating loss carry-forwards, annual limitation | 0 | 0
State | Asiana Bank |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carry-forwards, remaining amount | 723 | 723
Net operating loss carry-forwards, annual limitation | 348 | 348
State | Center Financial Corporation |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carry-forwards, remaining amount | 13,461 | 26,817
Net operating loss carry-forwards, annual limitation | 13,356 | 13,356
State | Pacific International Bancorp, Inc. |  |
Operating Loss Carryforwards [Line Items] |  |
Net operating loss carry-forwards, remaining amount | 0 |
Net operating loss carry-forwards, annual limitation | $ 0 |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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