Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|---|---|---|---|---|
| Deferred Tax Assets: | ||||
| Basis adjustments | $ 692,430 | $ 727,696 | ||
| Compensation and benefits | 197,750 | 204,780 | ||
| Net operating loss and tax credit carryforwards | 285,694 | 309,811 | ||
| Depreciation and amortization | 850 | 840 | ||
| Other | 53,895 | 36,154 | ||
| Gross deferred tax assets | 1,230,619 | 1,279,281 | ||
| Valuation allowance | (69,593) | (89,251) | $ (1,044,152) | $ (1,225,305) |
| Deferred tax assets (net of valuation allowance) | 1,161,026 | 1,190,030 | ||
| Deferred Tax Liabilities: | ||||
| Depreciation and amortization | 26,539 | 17,629 | ||
| Compensation and benefits | 5,447 | 9,332 | ||
| Goodwill | 27,932 | 15,208 | ||
| Other | 34,499 | 28,370 | ||
| Deferred tax liabilities | 94,417 | 70,539 | ||
| Net deferred tax assets | $ 1,066,609 | $ 1,119,491 |
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards and tax credit carryforwards. No definition available.
|
| X | ||||||||||
- Definition Gross deferred tax assets pertaining to basis adjustments. No definition available.
|
| X | ||||||||||
- Definition Gross deferred tax liabilities pertaining to compensation and benefits. No definition available.
|
| 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 | ||||||||||
- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References 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 allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. 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 property, plant, and equipment. No definition available.
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from compensation and benefits costs. 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 goodwill. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences 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 property, plant, and equipment. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|