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Equity (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Class of Stock [Line Items] |  |  |  |  |
Common Stock, Shares Authorized | 500,000,000 | 500,000,000 | 500,000,000 | 500,000,000 | 500,000,000
Proceeds from issuance of common stock |  |  | $ 54,649 | $ 3,410 |
At-the-market offering |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common Stock, Shares Authorized | 6,400,000 |  | 6,400,000 |  |
Common Stock, Capital Shares Reserved for Future Issuance | 4,600,000 |  | 4,600,000 |  |
Issuance of common stock (shares) | 1,100,000 | 0 | 1,800,000 | 0 |
Proceeds from issuance of common stock | $ 34,900 | $ 0 | $ 54,600 | $ 0 |
Payments of Stock Issuance Costs | $ 400 | $ 0 | $ 700 | $ 0 |

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