Business Acquisitions (Textual) (Details) - USD ($) $ in Thousands, shares in Millions		3 Months Ended
	Jan. 01, 2019	Mar. 31, 2019	Mar. 31, 2018
Business Acquisition [Line Items]
Effective income tax rate		27.80%	13.50%
LTG
Business Acquisition [Line Items]
Remaining equity interest percentage acquired in equity investee	67.50%
Consideration paid for acquisition	$ 323,882
Cash consideration paid	169,218
Purchase price holdback/ other accrued liabilities	$ 31,518
Unregistered shares issued (in shares)	4.1
Value of unregistered shares issued	$ 123,146
Goodwill expected to be deductible for tax purposes	$ 113,600
Effective income tax rate	25.00%