Accrued Liabilities

6 Months Ended

Jun. 30, 2018

Other Liabilities Disclosure [Abstract]

Accrued Liabilities

Accrued Liabilities

The components of accrued liabilities are as follows: 

	As of
	June 30,		December 31,
	2018		2017
Accrued product related costs	$	4,716	$	5,297
Accrued income taxes	8,512		5,475
Accrued property and other taxes	2,080		997
Accrued professional fees	3,055		2,228
Contract liabilities	2,664		1,595
Dividends payable	1,323		1,318
Remediation reserves	14,570		17,067
Other accrued liabilities	6,885		7,367
Total accrued liabilities	$	43,805	$	41,344