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Unsecured Convertible Senior Notes - 2026 Unsecured Convertible Senior Notes (Details) $ / shares in Units, shares in Millions | 2 Months Ended |
--- | --- | ---
Sep. 30, 2020 USD ($) $ / shares shares | Jun. 30, 2022 USD ($)
Debt Instrument [Line Items] |  |
Unamortized debt issuance costs |  | $ 5,672,000
2026 Unsecured Convertible Senior Notes |  |
Debt Instrument [Line Items] |  |
Principal amount | $ 225,000,000.0 |
Interest rate (as a percent) | 5.25% |
Unamortized debt issuance costs |  | $ 4,716,000
Effective interest rate to determine fair value of liability component (as a percent) |  | 5.90%
Conversion rate | 0.0540906 |
Value used in calculation of conversion rate | $ 1,000 |
Conversion price | $ / shares | $ 18.4875 |
Shares upon conversion | shares | 12.2 |
2026 Unsecured Convertible Senior Notes | Minimum |  |
Debt Instrument [Line Items] |  |
Conversion price | $ / shares | $ 18.49 |
2026 Unsecured Convertible Senior Notes | Maximum |  |
Debt Instrument [Line Items] |  |
Conversion price | $ / shares | $ 26.10 |

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