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Restructuring, Impairment and Costs of Terminated Program - Non-cash Impairment Charges Pertaining 2022 and 2023 Restructuring Plan (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended | 21 Months Ended
--- | --- | --- | ---
Dec. 31, 2023 | Sep. 30, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2023
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Total impairment of lease assets |  |  |  |  |  |  |  | $ (36,962) | $ (67,875) |
2022 Restructuring Plan |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Total impairment of lease assets | $ 0 | $ 1,467 | $ 13,261 | $ 0 | $ 12,361 | $ 1,200 | $ 52,200 |  |  | $ 80,489
2022 and 2023 Restructuring Plans |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Total impairment of lease assets | 0 | (10,567) | (13,261) | (11,500) | (12,361) | (1,200) | (52,200) |  |  | (101,089)
Mission Bay Blvd. South | 2022 Restructuring Plan |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Total impairment of lease assets | 0 | 1,467 | 7,061 | 0 | 361 | 1,200 | 3,000 |  |  | 13,089
Mission Bay Blvd. South | 2023 Restructuring Plan |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Total impairment of lease assets | 0 | 9,100 | 0 | 11,500 |  |  |  |  |  | 20,600
Third St | 2022 Restructuring Plan |  |  |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |  |  |
Total impairment of lease assets | $ 0 | $ 0 | $ 6,200 | $ 0 | $ 12,000 | $ 0 | $ 49,200 |  |  | $ 67,400

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