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Organization and Summary of Accounting Policies - Carrying Amount and Fair Value of Financial Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2021	May 03, 2021	Dec. 31, 2020	Apr. 11, 2019	Jun. 30, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 2,958.3
Senior secured term loan | Secured Debt | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	1,530.7		$ 1,539.4
Senior secured term loan | Secured Debt | Fair Value | Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 1,530.7		1,533.4
6.750% senior unsecured notes due 2025 | Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, stated rate (percent)	6.75%	6.75%			6.75%
6.750% senior unsecured notes due 2025 | Senior Notes | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 370.0		370.0
6.750% senior unsecured notes due 2025 | Senior Notes | Fair Value | Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 371.9		376.0
10.000% senior unsecured notes due 2027 | Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Debt instrument, stated rate (percent)	10.00%			10.00%
10.000% senior unsecured notes due 2027 | Senior Notes | Carrying Amount
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 545.0		545.0
10.000% senior unsecured notes due 2027 | Senior Notes | Fair Value | Fair Value, Inputs, Level 2
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Long-term debt	$ 577.0		$ 596.8

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

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