Segment Information - Segment's Contribution with Respect to Net Revenue, Operating Expenses, Operating Income (Loss) and Total Assets (Parenthetical) (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Provision pursuant to tax receivable agreement	$ 961,948	$ 547,691	$ 18,307
LTBP Trust [Member]
Segment Reporting Information [Line Items]
Provision pursuant to tax receivable agreement		547,691	18,307
North America [Member] | LTBP Trust [Member]
Segment Reporting Information [Line Items]
Provision pursuant to tax receivable agreement		$ 547,691	$ 18,307