Debt - Schedule of Carrying Values of Debt (Details) - USD ($) $ in Thousands	3 Months Ended
Jun. 30, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Total debt	$ 218,350
Less: Unamortized issuance discount and issuance costs, net	1,885	$ 2,035
Debt, current	1,900	1,900
Debt, non-current	$ 214,565	215,515
2018 Refinancing Facility Agreement
Debt Instrument [Line Items]
Issuance date	Oct. 31, 2018
Maturity date	Oct. 10, 2025
Total debt	$ 218,350	$ 219,450
2018 Refinancing Facility Agreement \| Minimum
Debt Instrument [Line Items]
Effective Interest Rate	6.11%	6.00%
2018 Refinancing Facility Agreement \| Maximum
Debt Instrument [Line Items]
Effective Interest Rate	6.19%	6.10%

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Date the debt instrument was issued, in CCYY-MM-DD format.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

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- Definition

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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- Definition

Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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