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Share-Based Payments - Shares Issued Under Employee Stock Purchase Plan (Details) - USD ($) shares in Thousands, $ in Millions | 1 Months Ended | 12 Months Ended
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Jun. 30, 2015 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |  |  |  |
Shares issued under the 2015 ESPP (in shares) | 6,200 |  |  |
2015 ESPP |  |  |  |
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |  |  |  |
Shares issued under the 2015 ESPP (in shares) |  | 241 | 248 | 212
Cash received under the 2015 ESPP |  | $ 44.2 | $ 54.4 | $ 48.6

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