Non-controlling Interests (Tables)

3 Months Ended

Mar. 31, 2017

Noncontrolling Interest [Abstract]

Schedule of changes in non-controlling interests

Changes in non-controlling interests (in thousands) for the periods presented were as follows:

	For the Three
	Months Ended
	March 31,
	2017			2016
Non-controlling interests as of beginning-of-period	$	209,588		$	285,238
Cumulative-effect adjustment from adoption of new accounting principle	—			(139		)
Decrease in non-controlling interests as a result of the exchange
of Class B common stock for Class A common stock
as part of the March Secondary Offering	(59,585		)	—
Reclassification of non-controlling interests	1,403			—
Net income (loss) attributable to non-controlling interests	(5,137		)	(51,071		)
Non-controlling interests as of end-of-period	$	146,269		$	234,028