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Stockholders’ Equity - Schedule of Company's Public Offering of Common Stock (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 29, 2020 | Jan. 31, 2020 | Nov. 30, 2019 | Sep. 30, 2019 | Jul. 31, 2019 | May 31, 2019 | Mar. 31, 2019 | Jan. 31, 2019 | Nov. 30, 2018 | Aug. 31, 2018 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued (in shares) |  |  |  |  |  |  |  |  |  |  | 30,900,000 |  |
Net Proceeds |  |  |  |  |  |  |  |  |  |  | $ 511,924 | $ 804,398 | $ 260,091
Common Stock | Underwritten Public Offering |  |  |  |  |  |  |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Stock issued (in shares) | 50,600,000 | 34,500,000 | 28,750,000 | 28,750,000 | 23,000,000 | 20,700,000 | 17,250,000 | 14,490,000 | 14,375,000 | 14,375,000 |  |  |
Net Proceeds | $ 305,274 | $ 206,650 | $ 172,150 | $ 173,093 | $ 137,500 | $ 123,102 | $ 101,160 | $ 83,772 | $ 85,261 | $ 85,980 |  |  |

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