Loan Facilities - Narrative (Details) - USD ($) $ in Thousands				3 Months Ended
	Apr. 30, 2019	Apr. 12, 2019	Oct. 12, 2017	Jun. 30, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019	Apr. 13, 2019
Line of Credit Facility [Line Items]
Secured loan payable					$ 342,826		$ 358,003
Secured Debt | Recapitalization Credit Agreement
Line of Credit Facility [Line Items]
Long-term debt, weighted average interest rate, over time (percent)						6.40%
Incremental expense related to the amortization of debt issuance costs						$ 600
Secured Debt | New TLB
Line of Credit Facility [Line Items]
Long-term debt, weighted average interest rate, over time (percent)					4.80%
Unamortized discount	$ 9,000
Incremental expense related to the amortization of debt issuance costs					$ 400
Secured Debt | New TLB | Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate (percent)		2.25%
Secured Debt | Term Loan | Recapitalization Credit Agreement
Line of Credit Facility [Line Items]
Line of credit, maximum borrowing capacity			$ 350,000
Debt instrument term (years)			5 years
Secured Debt | Term Loan | New TLB
Line of Credit Facility [Line Items]
Line of credit, maximum borrowing capacity		$ 375,000
Repayments of lines of credit		319,400
Proceeds from refinancing of secured term loan, net		48,200
Annual principal payments		$ 18,800
Annual prepayment of principal, period of time required before year end		90 days
Annual principal payment, percentage of excess cash flow		50.00%
Debt expense		$ 5,700
Deferred financing costs		2,700						$ 1,800
Write off of deferred debt issuance cost	$ 3,000	$ 4,800
Debt instrument, face amount					350,000
Secured loan payable					342,800
Repayments of long-term debts					15,600
Quarterly principal payments					4,700
Secured Debt | Term Loan | New TLB | Mandatory Principal
Line of Credit Facility [Line Items]
Repayments of long-term debts					$ 4,700
Secured Debt | Term Loan | New TLB | Scenario, Forecast
Line of Credit Facility [Line Items]
Quarterly principal payments				$ 10,900
Secured Debt | Term Loan | New TLB | UNITED STATES
Line of Credit Facility [Line Items]
Capital stock of subsidiary, percentage		100.00%
Secured Debt | Term Loan | New TLB | Non-US
Line of Credit Facility [Line Items]
Capital stock of subsidiary, percentage		65.00%
Secured Debt | Term Loan | New TLB | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread on variable rate (percent)		3.25%
Reduction from the applicable borrowing rates, percentage		0.50%
Secured Debt | Revolving Credit Facility
Line of Credit Facility [Line Items]
Covenant, leverage ratio, excess borrowings, minimum		$ 12,500
Secured Debt | Revolving Credit Facility | Recapitalization Credit Agreement
Line of Credit Facility [Line Items]
Line of credit, maximum borrowing capacity			$ 20,000
Debt instrument term (years)			3 years