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Restructuring, Impairment and Costs of Terminated Program - Sublease Information (Details) - USD ($) | 3 Months Ended | 6 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023 | Mar. 31, 2023 | Dec. 31, 2022
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Impairment expense for facilities |  | $ 0 |  |  | $ 24,755,000 |  |  |
Impairment of other property, plant and equipment |  |  |  |  | 1,700,000 |  |  |
Total impairment of right-of-use assets and property, plant and equipment | $ 8,329,000 |  | $ 13,255,000 | $ 8,329,000 | 26,455,000 |  |  |
Reported Value Measurement |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Property, plant and equipment and operating lease right-of-use assets |  | 14,403,000 |  |  |  | $ 14,403,000 | $ 18,484,000 | $ 52,032,000
Property, Plant and Equipment |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Impairment expense for facilities |  |  |  |  | 3,363,000 |  |  |
Impairment of other property, plant and equipment |  |  |  |  | 1,700,000 |  |  |
Total impairment of right-of-use assets and property, plant and equipment | 1,042,000 |  | 1,563,000 | 1,042,000 | 5,063,000 |  |  |
Property, Plant and Equipment | Reported Value Measurement |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Property, plant and equipment and operating lease right-of-use assets |  | 1,897,000 |  |  |  | 1,897,000 | 2,092,000 | 7,206,000
Operating Lease Right-of-Use Assets |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Impairment expense for facilities |  |  |  |  | 21,392,000 |  |  |
Total impairment of right-of-use assets and property, plant and equipment | $ 7,287,000 |  | $ 11,692,000 | $ 7,287,000 | $ 21,392,000 |  |  |
Operating Lease Right-of-Use Assets | Reported Value Measurement |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Property, plant and equipment and operating lease right-of-use assets |  | 12,506,000 |  |  |  | 12,506,000 | 16,392,000 | 44,826,000
Fair Value, Level 3 | Estimate of Fair Value Measurement |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Property, plant and equipment and operating lease right-of-use assets |  | (6,074,000) |  |  |  | (6,074,000) | (5,229,000) | (27,277,000)
Fair Value, Level 3 | Property, Plant and Equipment | Estimate of Fair Value Measurement |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Property, plant and equipment and operating lease right-of-use assets |  | (855,000) |  |  |  | (855,000) | (529,000) | (3,843,000)
Fair Value, Level 3 | Operating Lease Right-of-Use Assets | Estimate of Fair Value Measurement |  |  |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |  |  |
Property, plant and equipment and operating lease right-of-use assets |  | $ (5,219,000) |  |  |  | $ (5,219,000) | $ (4,700,000) | $ (23,434,000)

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