Long-Term Debt - Schedule of Notes Payable (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Long-term debt	$ 524,456	$ 583,827
2018 Revolving Credit Facility
Debt Instrument [Line Items]
Long-term debt, gross	(89,000)	(146,000)
Unamortized deferred financing and issuance costs	(3,677)	(4,673)
2018 Term Loan Facility
Debt Instrument [Line Items]
Long-term debt, gross	(445,500)	(450,000)
Unamortized deferred financing and issuance costs	$ (6,367)	$ (7,500)