Accrued Expenses

3 Months Ended

Mar. 31, 2018

Payables and Accruals [Abstract]

Accrued Expenses

Accrued Expenses

Accrued expenses consisted of the following (in thousands):

	As of March 31, 2018		As of December 31, 2017
Compensation	$	12,264	$	19,897
Non-income taxes	7,631		6,895
Royalty tax withholdings	7,413		7,566
Other expenses	27,735		24,376
Total accrued expenses	$	55,043	$	58,734