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)