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Shareholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Stockholders' Equity Note [Abstract] |  |
Common stock, shares authorized | 240,000,000 | 240,000,000
Preferred stock, shares authorized | 5,000,000 |
Preferred stock, par value per share (in dollars per share) | $ 0.01 |
Option Indexed to Issuer's Equity [Line Items] |  |
Aggregate cost of capped call transactions | $ (10,625) |
2026 Capped Calls |  |
Option Indexed to Issuer's Equity [Line Items] |  |
Aggregate number of common shares subject to capped calls | 28,675,900 |
Initial strike price | $ 6.97 |
Initial cap price (in dollars per share) | $ 8.42 |
Aggregate cost of capped call transactions | $ 10,600 |

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