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Equity (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Class of Stock [Line Items] |  |  |  |  |
Common stock shares authorized under equity program | 500,000,000 | 500,000,000 | 500,000,000 | 500,000,000 | 500,000,000
Net proceeds * |  |  | $ (149,000) | $ 88,830,000 |
At-the-market offering |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Common stock shares authorized under equity program | 6,400,000 |  | 6,400,000 |  |
Common stock shares reserved for future issuance | 3,600,000 |  | 3,600,000 |  |
Shares issued | 0 | 1,000,000.0 | 0 | 2,800,000 |
Net proceeds * | $ 0 | $ 34,200,000 | $ (100,000) | $ 88,800,000 |
Issuance costs | $ 0 | $ 425,000 | $ 149,000 | $ 1,200,000 |

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