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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 + Details
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