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Income Taxes - Deferred Taxes (Details) - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014
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Income Tax Disclosure [Abstract] |  |
Current deferred tax assets | $ 2,602 | $ 2,696
Non-current deferred tax assets | 18,871 | 12,907
Non-current deferred tax liabilities | (22,537) | (25,982)
Net deferred tax assets | $ (1,064) |
Net deferred tax (liabilities) |  | $ (10,379)

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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319 + Details
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