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Long-Term Obligations - 7.125% Senior Notes Due 2028 (Details) - Senior Notes - USD ($)	May 24, 2021	Jun. 30, 2021
Senior 2028 Notes
Debt Instrument [Line Items]
Face amount of debt	$ 400,000,000.0
Interest rate (as percent)	7.125%
Long-term Line of Credit		$ 400,000,000.0
Deferred financing costs		$ 6,300,000
2028 Notes
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	35.00%
2028 Notes | Period prior to June 1, 2024
Debt Instrument [Line Items]
Redemption price (as percent)	107.125%
2028 Notes | Twelve-month period beginning on June1, 2024
Debt Instrument [Line Items]
Redemption price (as percent)	103.563%
2028 Notes | Twelve-month period beginning on June 1, 2025
Debt Instrument [Line Items]
Redemption price (as percent)	101.781%
2028 Notes | Twelve-month period beginning on June 1, 2026
Debt Instrument [Line Items]
Redemption price (as percent)	100.00%

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

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Contractual interest rate for funds borrowed, under the debt agreement.

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