Accrued Liabilities

12 Months Ended

Dec. 31, 2019

Payables and Accruals [Abstract]

Accrued Liabilities

12. Accrued Liabilities

Accrued liabilities consisted of the following (in thousands):

	December 31,
	2019		2018
Accrued salaries and other benefits	$	19,300	$	24,252
Accrued income and other taxes	11,019		11,820
Accrued interest	16,462		11,999
Derivative liability - current	593		—
Other accrued liabilities	20,471		30,926
Accrued liabilities	$	67,845	$	78,997