Business Acquisitions (Textual) (Details) - USD ($) $ in Thousands, shares in Millions		3 Months Ended		9 Months Ended
	Jan. 01, 2019	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Business Acquisition [Line Items]
Goodwill		$ 135,872	$ 6,024	$ 135,872	$ 6,024	$ 6,024
Effective income tax rate		(55.10%)	(48.50%)	(21.40%)	24.40%
LTG
Business Acquisition [Line Items]
Remaining equity interest percentage acquired in equity investee	67.50%
Consideration paid for acquisition	$ 328,944
Cash consideration paid	171,100
Purchase price holdback/ other accrued liabilities	$ 30,000
Unregistered shares issued (in shares)	4.4
Value of unregistered shares issued	$ 127,800
Goodwill	$ 129,848
Effective income tax rate	25.00%