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Basic and Diluted Loss per Common Share - Schedule of Antidilutive Common Share Equivalents Excluded from Earnings Per Share (Details) - $ / shares | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Mar. 16, 2021 | Feb. 28, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Antidilutive securities (in shares) | 1,869,084 | 1,424,630 |  |
0.25% Convertible senior notes due 2026 | Convertible notes |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Conversion price (in usd per share) |  |  |  | $ 91.03
0.50% Convertible senior notes due 2028 | Convertible notes |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Conversion price (in usd per share) |  |  | $ 179.27 |
Stock options issued and outstanding |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Antidilutive securities (in shares) | 183,271 | 269,108 |  |
Restricted stock units issued and outstanding |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Antidilutive securities (in shares) | 369,614 | 447,449 |  |
Convertible senior notes |  |  |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |  |  |
Antidilutive securities (in shares) | 1,316,199 | 708,073 |  |

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