Income Taxes - Significant Components of The Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Deferred tax assets | ||
| Accruals and prepaids | $ 18,010 | $ 12,904 |
| Deferred revenue | 23,559 | 34,710 |
| Net operating loss carryforwards | 218,719 | 229,464 |
| Stock-based compensation | 6,908 | 3,748 |
| Investment tax and other credits | 18,454 | 11,261 |
| Total deferred tax assets | 285,650 | 292,087 |
| Less: Valuation allowance | (663) | |
| Gross deferred tax assets | 284,987 | 292,087 |
| Deferred tax liabilities | ||
| Capitalized initial direct costs | 45,030 | 27,539 |
| Fixed asset depreciation | 206,754 | 178,511 |
| Deferred tax on investment in partnerships | 448,600 | 276,183 |
| Gross deferred tax liabilities | 700,384 | 482,233 |
| Net deferred tax liabilities | $ (415,397) | $ (190,146) |
| X | ||||||||||
- Definition Deferred tax assets prepaid expenses and accruals. No definition available.
|
| X | ||||||||||
- Definition Deferred tax liabilities depreciable fixed assets. No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments). No definition available.
|
| X | ||||||||||
- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from capitalized costs classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments). No definition available.
|