Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax [Line Items]
Deferred tax benefit from release of valuation allowance		$ 878,000
Deferred tax benefit related to tax receivable agreement		378,000
Valuation allowances of deferred tax assets	$ 69,593	89,251	$ 1,044,152	$ 1,225,305
Deferred tax assets recorded due to net operating losses and tax credit carryforwards	285,694
Indefinite-lived carryforwards	16,546
Other certain tax credit carryforwards	$ 235,986
Certain carryforwards begin to expire	2029
Deferred tax assets will be recorded for previously unrecognized excess tax benefits outstanding	$ 93,634	111,587
Income tax examination, description	With few exceptions, the Company is no longer subject to income tax examination by foreign tax authorities and by U.S. federal, state and local tax authorities for years prior to 2012. While we are under examination in various tax jurisdictions with respect to certain open years, the Company does not expect that the result of any final determination related to these examinations will have a material impact on its financial statements. Developments with respect to such examinations are monitored on an ongoing basis and adjustments to tax liabilities are made as appropriate.
Unrecognized tax benefits, including interest and penalties recorded that may be recognized within 12 months	$ 23,000
LTBP Trust [Member]
Income Tax [Line Items]
Reduction of deferred tax benefit related to tax receivable agreement		$ 161,000