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Obligations - 2027 and 2024 Senior Convertible Notes, and Related Note Hedge and Warrant Transactions (Details) $ / shares in Units, shares in Millions |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
May 27, 2022 USD ($) day $ / shares | May 25, 2022 USD ($) $ / shares shares | Jun. 03, 2019 USD ($) $ / shares | Jun. 30, 2022 USD ($) $ / shares shares | Jun. 30, 2021 USD ($) | Jun. 30, 2022 USD ($) $ / shares shares | Jun. 30, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2021 USD ($) | May 31, 2019 $ / shares shares
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase of convertible bond hedge | $ 3,800,000 |  |  |  |  | $ 80,500,000 | $ 0 |  |  |
Anti-dilution adjustments of common stock (in shares) | shares |  | 5.9 |  |  |  |  |  |  |  | 4.9
Initial strike price (in USD per share) | $ / shares |  | $ 106.37 |  | $ 109.43 |  | $ 109.43 |  |  |  | $ 109.43
Proceeds from issuance of warrants |  | $ 43,700,000 |  |  |  | $ 43,700,000 | 0 |  |  |
Proceeds from and payment for convertible bond hedge | 8,000,000 | $ 36,800,000 |  |  |  |  |  |  |  |
Repurchase of common stock |  |  |  |  |  | 74,445,000 | 11,141,000 |  |  |
Proceeds from hedge unwind | 11,900,000 |  |  |  |  | 11,851,000 | 0 |  |  |
Loss on extinguishment of long-term debt |  |  |  | $ 11,190,000 | $ 0 | 11,190,000 | $ 0 |  |  |
Convertible Notes 2024 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Repurchase amount | 273,800,000 |  |  |  |  |  |  |  |  |
Convertible Debt |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Deferred financing cost |  |  |  | 10,926,000 |  | 10,926,000 |  |  |  |
Principal |  |  |  | 586,174,000 |  | 586,174,000 |  |  |  |
Convertible Debt | Convertible Notes 2027 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate principal amount | $ 460,000,000 |  |  |  |  |  |  |  |  |
Debt instrument interest rate, stated percentage | 3.50% |  |  |  |  |  |  |  |  |
Transaction fees and offering expenses | $ 450,000,000 |  |  |  |  |  |  |  |  |
Initial conversion rate | 0.0129041 |  |  |  |  |  |  |  |  |
Initial conversion price (in USD per share) | $ / shares | $ 77.49 |  |  |  |  |  |  |  |  |
Redemption price percentage | 100.00% |  |  |  |  |  |  |  |  |
Multiple of principle amount available for conversion | $ 1,000 |  |  |  |  |  |  |  |  |
Convertible note hedge (in shares) | shares |  | 5.9 |  |  |  |  |  |  |  |
Purchase of convertible bond hedge |  | $ 80,500,000 |  |  |  |  |  |  |  |
Effective interest rate percentage | 4.02% |  |  |  |  |  |  |  |  |
Deferred financing cost | $ 10,000,000 |  |  | 9,817,000 |  | 9,817,000 |  |  |  |
Principal |  |  |  | $ 460,000,000 |  | $ 460,000,000 |  |  | $ 0 |
Convertible Debt | Convertible Notes 2027 | Conversion Circumstance One |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Threshold percentage of stock price trigger (in percent) | 130.00% |  |  |  |  |  |  |  |  |
Threshold trading days | day | 20 |  |  |  |  |  |  |  |  |
Consecutive trading days | day | 30 |  |  |  |  |  |  |  |  |
Redemption price percentage | 100.00% |  |  |  |  |  |  |  |  |
Convertible Debt | Convertible Notes 2027 | Conversion Circumstance Two |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Consecutive trading days | day | 10 |  |  |  |  |  |  |  |  |
Number of trading days | day | 45 |  |  |  |  |  |  |  |  |
Convertible Debt | Convertible Notes 2027 | Conversion Circumstance Three |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Percentage of per common share value | 10.00% |  |  |  |  |  |  |  |  |
Convertible Debt | Convertible Notes 2027 | Conversion Circumstance Four |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Consecutive trading days | day | 5 |  |  |  |  |  |  |  |  |
Redemption price percentage | 98.00% |  |  |  |  |  |  |  |  |
Convertible Debt | Convertible Notes 2024 |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Aggregate principal amount |  |  | $ 400,000,000 |  |  |  |  |  |  |
Debt instrument interest rate, stated percentage |  |  | 2.00% |  |  |  |  |  |  |
Transaction fees and offering expenses |  |  | $ 391,600,000 |  |  |  |  |  |  |
Initial conversion rate |  |  | 0.0123018 |  |  |  |  |  |  |
Initial conversion price (in USD per share) | $ / shares |  |  | $ 81.29 |  |  |  |  |  |  |
Convertible note hedge (in shares) | shares |  |  |  |  |  |  |  |  |  | 4.9
Effective interest rate percentage |  |  |  | 2.46% |  | 2.46% |  |  |  |
Deferred financing cost | $ 1,200,000 |  |  | $ 1,109,000 |  | $ 1,109,000 |  |  | 4,368,000 |
Debt conversion converted instrument amount |  |  |  |  |  |  |  | $ 1,000 |  |
Principal |  |  |  | $ 126,174,000 |  | $ 126,174,000 |  |  | $ 400,000,000 |
Convertible Debt | 2024 Note Hedge Transaction |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Convertible note hedge (in shares) | shares |  |  |  | 1.6 |  | 1.6 |  |  |  |
Convertible Debt | 2024 Warrant Transactions |  |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Convertible note hedge (in shares) | shares |  |  |  | 1.6 |  | 1.6 |  |  |  |

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- Definition The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3255-108585 + Details
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