Long-Term Debt (Tables)

6 Months Ended

Jun. 30, 2019

Debt Disclosure [Abstract]

Summary of Long-Term Debt

	June 30, 2019			December 31, 2018
2013 Term Loan Facility outstanding principal balance	$	179,177		$	197,835
2013 Revolving Credit Facility borrowings	9,500			—
Finance lease liabilities	7,144			3,817
Less: Unamortized discount	(1,434		)	(1,936		)
Less: Deferred financing costs	(463		)	(634		)
Less: Current portion due within one year	(13,669		)	(21,080		)
Long-term portion	$	180,255		$	178,002