Debt - Summary of Future Debt Maturities (Details) - Term Loan - Credit Facility 2017 $ in Thousands	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
2019	$ 3,651
2020	3,652
2021	3,651
2022	3,652
2023	3,651
2024	322,317
Total repayments of debt, excluding unamortized debt issuance costs	$ 340,574

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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