Loan Facilities (Details) - Secured Debt - New TLB - USD ($)		1 Months Ended		3 Months Ended		6 Months Ended
	Apr. 12, 2019	Jul. 31, 2021	Apr. 30, 2021	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Line of Credit Facility [Line Items]
Long-term debt, weighted average interest rate, over time						3.40%	4.20%
Deferred financing costs	$ 9,000,000.0
Incremental expense related to the amortization of debt issuance costs				$ 400,000	$ 400,000	$ 900,000	$ 900,000
Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.25%
Term Loan
Line of Credit Facility [Line Items]
Line of credit, maximum borrowing capacity	$ 375,000,000.0
Debt instrument term	5 years
Quarterly principal payments	$ 4,700,000		$ 20,000,000.0
Annual principal payments	$ 18,800,000
Annual prepayment of principal, period of time required before year end	90 days
Annual principal payment, percentage of excess cash flow	50.00%
Debt instrument, face amount				306,900,000		306,900,000
Long-term debt				$ 301,900,000		$ 301,900,000
Term Loan | Subsequent Event
Line of Credit Facility [Line Items]
Quarterly principal payments		$ 15,000,000.0
Term Loan | UNITED STATES
Line of Credit Facility [Line Items]
Capital stock of subsidiary, percentage	100.00%
Term Loan | Non-US
Line of Credit Facility [Line Items]
Capital stock of subsidiary, percentage	65.00%
Term Loan | London Interbank Offered Rate (LIBOR)
Line of Credit Facility [Line Items]
Basis spread on variable rate	3.25%