Goodwill, Long-Lived Assets, and Other Intangible Assets - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment	$ 236,000,000	$ 0	$ 0
Long-lived assets impairment	91,900,000	0	0
Amortization expense related to intangible assets	48,400,000	52,200,000	98,400,000
Amortization of developed technology	14,558,000	14,558,000	14,558,000
Depreciation and amortization	36,086,000	38,928,000	84,581,000
STI Operations
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment	236,000,000
Long-lived assets impairment	91,900,000
Amortization of developed technology	0	0	0
STI Operations | GDC
Finite-Lived Intangible Assets [Line Items]
Goodwill impairment	(236,000,000)
Changes in goodwill fair value	251,200,000
Developed technology
Finite-Lived Intangible Assets [Line Items]
Amortization of developed technology	14,600,000	14,600,000	14,600,000
Depreciation and amortization	33,800,000	$ 37,600,000	$ 83,800,000
Customer-Related Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Long-lived assets impairment	83,000,000.0
Trade name
Finite-Lived Intangible Assets [Line Items]
Long-lived assets impairment	7,300,000
Property, Plant and Equipment
Finite-Lived Intangible Assets [Line Items]
Long-lived assets impairment	$ 1,600,000