New Accounting Pronouncements - Schedule of Impact of Adoption (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable, net	$ 784,889	$ 732,405
Accounts payable and accrued expenses	146,110	$ 126,937
Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable, net	784,889
Accounts payable and accrued expenses	146,110
Balances Without Adoption of Revenue Guidance | Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable, net	774,281
Accounts payable and accrued expenses	135,502
Effect of Change Higher (Lower) | Accounting Standards Update 2014-09
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable, net	10,608
Accounts payable and accrued expenses	$ 10,608