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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Income Tax Disclosure [Abstract] |  |  |
Income (loss) from continuing operations before income taxes, equity in non-consolidated affiliates and noncontrolling interest | $ 15,109 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | $ (137,850)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | $ (64,528)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Statutory income tax rate | 26.50%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 26.50%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | 26.50%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Tax expense (benefit) using statutory income tax rate | 4,004 us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | (36,530)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate | (17,100)us-gaap_IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount | 1,459 us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | 1,060 us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes | 1,131 us-gaap_IncomeTaxReconciliationStateAndLocalIncomeTaxes
Non-deductible stock-based compensation | 1,982 us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost | 24,357 us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost | 7,699 us-gaap_IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost
Other non-deductible expense | 2,151 us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther | 942 us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther | 1,176 us-gaap_IncomeTaxReconciliationNondeductibleExpenseOther
Change to valuation allowance on items affecting taxable income | 2,003 us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance | 6,952 us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance | 15,682 us-gaap_IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance
Effect of the change in tax rate | 0 us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate | 0 us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate | 2,168 us-gaap_IncomeTaxReconciliationChangeInEnactedTaxRate
Effect of the difference in federal and statutory rates | 2,222 us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential | (15)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential | (793)us-gaap_IncomeTaxReconciliationForeignIncomeTaxRateDifferential
Noncontrolling interests | (1,826)us-gaap_IncomeTaxReconciliationMinorityInterestIncomeExpense | (1,712)us-gaap_IncomeTaxReconciliationMinorityInterestIncomeExpense | (1,593)us-gaap_IncomeTaxReconciliationMinorityInterestIncomeExpense
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount | 427 us-gaap_IncomeTaxReconciliationOtherReconcilingItems | 579 us-gaap_IncomeTaxReconciliationOtherReconcilingItems | 1,183 us-gaap_IncomeTaxReconciliationOtherReconcilingItems
Income tax provision (benefit) | $ 12,422 us-gaap_IncomeTaxExpenseBenefit | $ (4,367)us-gaap_IncomeTaxExpenseBenefit | $ 9,553 us-gaap_IncomeTaxExpenseBenefit
Effective income tax rate | 82.20%us-gaap_EffectiveIncomeTaxRateContinuingOperations | (3.20%)us-gaap_EffectiveIncomeTaxRateContinuingOperations | 14.80%us-gaap_EffectiveIncomeTaxRateContinuingOperations

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(2)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 + Details
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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- Definition Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)(1)(i)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e32123-109318 + Details
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 + Details
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to noncontrolling interest income (loss) exempt from income taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319 + Details
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