Debt - Schedule of Outstanding Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Finance lease obligations	$ 3,012	$ 3,012	$ 3,783	$ 3,982
Total debt	138,865		148,593	150,719
Less: debt issuance costs	(209)		(309)	(335)
Total debt, net of issuance costs	138,656		148,284	150,384
Less: current portion	(12,568)		(10,259)	(9,861)
Long-term portion of debt	126,088		138,025	140,523
Term loan
Debt Instrument [Line Items]
Total debt	$ 135,853		$ 144,810	$ 146,737