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Restructuring, Impairment and Costs of Terminated Program, and Impairment of Goodwill - Non-cash Impairment Charges Pertaining 2022 Restructuring Plan (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Total impairment of lease assets | $ 10,567 |  |  |  |  |  | $ 35,329 | $ 53,401
2022 Restructuring Plan |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Total impairment of lease assets | 1,467 | $ 13,255 | $ 0 | $ 12,361 | $ 1,200 | $ 52,200 |  | 80,483
Mission Bay Blvd. South | 2022 Restructuring Plan |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Total impairment of lease assets | 1,467 | 7,055 | 0 | 361 | 1,200 | 3,000 |  | 13,083
Third St | 2022 Restructuring Plan |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Total impairment of lease assets | $ 0 | $ 6,200 | $ 0 | $ 12,000 | $ 0 | $ 49,200 |  | $ 67,400

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