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Stockholders’ Equity - Equity Distribution Agreements (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Aug. 10, 2021 | Nov. 27, 2019 | Mar. 29, 2019 | Aug. 10, 2017
Class of Stock [Line Items] |  |  |  |  |  |  |
Common stock, par value (in dollars per share) | $ 0.01 | $ 0.01 |  |  |  |  |
Proceeds from issuance of common stock | $ 0 | $ 511,924 | $ 804,398 |  |  |  |
Preferred stock issuance proceeds, net | $ 210,738 | $ 0 | $ 215,073 |  |  |  |
Equity Distribution Agreements |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Common stock, par value (in dollars per share) |  |  |  |  |  |  | $ 0.01
Common stock subscriptions (up to) |  |  |  |  |  |  | $ 100,000
Common stock reserved for issuance |  |  |  |  |  |  | $ 72,500
Stock issued (in shares) | 0 | 0 | 2,260,200 |  |  |  |
Sale of stock, Price per share (in dollars per share) |  |  | $ 6.12 |  |  |  |
Proceeds from issuance of common stock |  |  | $ 13,600 |  |  |  |
Common stock reserved for future issuance | $ 100,000 |  |  |  |  |  |
Preferred Stock, value, subscriptions (up to) |  |  |  | $ 149,100 | $ 131,500 |  |
Preferred Equity Distribution Agreement |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Stock issued (in shares) | 0 | 0 | 1,972,888 |  |  |  |
Preferred Stock, value, subscriptions (up to) |  |  |  |  |  | $ 50,000 |
Preferred stock issuance proceeds, net |  |  | $ 48,400 |  |  |  |
Preferred stock, available for future issuance | $ 100,000 |  |  |  |  |  |
Preferred Equity Distribution Agreement | Minimum |  |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |  |
Sale of stock, Price per share (in dollars per share) |  |  | $ 24.88 |  |  |  |

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