Other Current Liabilities (Tables)

12 Months Ended

Dec. 31, 2017

Other Liabilities Disclosure [Abstract]

Schedule of Other Current Liabilities

The balance of other current liabilities consisted of the following as of December 31 of the following years (in thousands):

	2017		2016
Accrued expenses	$	6,919	$	14,572
Accrued interest	18,093		18,915
Accrued other	16,081		16,126
Total other current liabilities	$	41,093	$	49,613