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v3.23.1

Debt (Details) - Convertible Debt | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2023 USD ($) day | Dec. 31, 2022 USD ($) day Rate | Mar. 31, 2022 USD ($) | Mar. 31, 2023 Rate | Mar. 31, 2023 | Mar. 31, 2023 $ / shares | Jan. 11, 2021 USD ($) Rate | May 04, 2020 USD ($) Rate
0.25% Convertible Senior Notes |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  | $ 345,000,000 |
Stated interest rate (as a percent) | Rate |  | 0.25% |  | 0.25% |  |  | 0.25% |
Convertible notes, conversion price (in dollars per share) | $ / shares |  |  |  |  |  | $ 17.41 |  |
Interest expense, contractual coupon interest | $ 200,000 |  | $ 200,000 |  |  |  |  |
Interest expense, accretion of debt discount | 400,000 |  | 400,000 |  |  |  |  |
Interest expense, amortization of debt issuance costs | 8,500 |  | $ 8,400 |  |  |  |  |
Effective interest rate on Convertible Notes (as a percent) |  |  | 0.70% |  |  |  |  |
0.25% Convertible Senior Notes | Level 2 |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Estimated fair value of debt | 258,800,000 | $ 218,200,000 |  |  |  |  |  |
1.25% Convertible Senior Notes |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Debt instrument, face amount |  |  |  |  |  |  |  | $ 201,300,000
Stated interest rate (as a percent) |  | 1.25% |  | 1.25% | 1.25% |  |  | 1.25%
Interest expense, contractual coupon interest | 600,000 |  | $ 600,000 |  |  |  |  |
Interest expense, accretion of debt discount | 300,000 |  | 300,000 |  |  |  |  |
Interest expense, amortization of debt issuance costs | 37,600 |  | $ 36,800 |  |  |  |  |
Effective interest rate on Convertible Notes (as a percent) |  |  | 1.96% |  |  |  |  |
1.25% Convertible Senior Notes | Level 2 |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Estimated fair value of debt | $ 186,800,000 | $ 169,600,000 |  |  |  |  |  |
1.25% Convertible Senior Notes | Debt Instrument, Redemption, Period One |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |
Conversion price on applicable trading day (as a percent) | 130.00% | 130.00% |  |  |  |  |  |
Threshold trading days (in days) | day | 20 | 20 |  |  |  |  |  |
Consecutive trading days (in days) | day | 30 | 30 |  |  |  |  |  |

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