Long Term Loan - Additional Information (Details) - USD ($) $ in Thousands		6 Months Ended
Feb. 07, 2018	Jun. 30, 2018
2018 Credit Facility
Line Of Credit Facility [Line Items]
Term loan, principal amount	$ 150,000
Interest on term loan credit facility	9.00%
Interest, frequency of payment	quarterly
Term loan credit facility, expiation date	Feb. 07, 2023
Debt issuance costs, net		$ 805
Term loan credit facility, maturity term		5 years
2018 Credit Facility \| Prior to February 7, 2021
Line Of Credit Facility [Line Items]
Pre-payment fee, percentage	2.00%
2018 Credit Facility \| February 7, 2021 to February 7, 2022
Line Of Credit Facility [Line Items]
Pre-payment fee, percentage	1.00%
Term Loan
Line Of Credit Facility [Line Items]
Debt issuance costs, net	$ 1,399
Debt instrument, un-amortized discount	$ 1,160

Face (par) amount of debt instrument at time of issuance.

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