Recent Accounting Pronouncements (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable, net	$ 169,954	$ 85,319	$ 83,518
Prepaid expenses and other assets	21,981	24,151	22,596
Accrued expenses and other liabilities	85,448	87,802	84,446
Balances Before Adoption of ASC 606 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable, net	165,238		83,518
Prepaid expenses and other assets	18,937		22,596
Accrued expenses and other liabilities	77,688		$ 84,446
ASU 2014-09 [Member] | Impact of Adoption [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Accounts receivable, net	4,716	1,801
Prepaid expenses and other assets	3,044	1,555
Accrued expenses and other liabilities	$ 7,760	$ 3,356