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Fair Value of Financial Instruments - Additional Information (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022	Dec. 15, 2021	Aug. 24, 2021	Jan. 16, 2020
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Interest rate	6.00%
7.00% Notes due 2025
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying value	$ 179.0	$ 178.6
Interest rate	7.00%	7.00%			7.00%
Unamortized deferred financing costs, net	$ 3.5	$ 3.9
Fair value	184.3	183.2
Convertible Notes
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying value	48.3	48.1
Unamortized deferred financing costs, net	1.7	1.9
Fair value	47.0	40.7
August 2026 Notes
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying value	$ 123.0	$ 122.9
Interest rate	4.375%	4.375%		4.375%
Unamortized deferred financing costs, net	$ 2.0	$ 2.1
Fair value	108.0	99.2
December 2026 Notes
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying value	$ 73.6	$ 73.5
Interest rate	4.25%	4.25%	4.25%
Unamortized deferred financing costs, net	$ 1.4	$ 1.5
Fair value	65.1	59.6
KeyBank Credit Facility
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Carrying value	183.5	$ 187.5
Unamortized deferred financing costs, net	$ 3.6

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- Definition

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.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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

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