Accounts Payable and Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2018

Payables and Accruals [Abstract]

Summary of Accounts Payable and Accrued Liabilities

Accounts payable and accrued liabilities at June 30, 2018 and December 31, 2017 consisted of the following (in thousands):

	June 30,		December 31,
	2018		2017
Accounts payable	$	22,516	$	33,912
Accrued compensation	21,207		25,510
Accrued property and other taxes	14,620		16,908
Accrued severance and other charges	925		1,444
Income taxes	9,410		8,091
Accrued purchase orders and other	23,379		23,020
Total accounts payable and accrued liabilities	$	92,057	$	108,885