Goodwill and Intangible Assets - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended		24 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016
Goodwill and Intangible Assets [Line Items]
Goodwill, impairment charge	$ 9,300	$ 0	$ 0	$ 9,313	$ 9,313
Fair value assets measured on non-recurring basis	984,041		979,105	984,041	979,105
Goodwill	$ 660,981	$ 670,294	660,981	$ 660,981	660,981
Fair Value Measurement Non-Recurring | Level 3
Goodwill and Intangible Assets [Line Items]
Fair value assets measured on non-recurring basis			692,600		692,600
Goodwill			661,000		661,000
Indefinite-lived intangible assets			$ 31,600		$ 31,600