Accrued Expenses (Tables)

3 Months Ended

Mar. 31, 2018

Accrued Expenses [Abstract]

Schedule of Accrued Expenses

	As of		As of
	March 31, 2018		December 31, 2017
	(in thousands)
Accrued earnouts on business combinations	$	2,503	$	2,470
Salaries and benefits		5,755		13,506
Real estate and property taxes		6,900		7,125
Non-cash capital expenditures		10,352		12,408
Other		34,713		34,353
Total accrued expenses	$	60,223	$	69,862