Discontinued operations - Noncash Related Costs For Discontinued Operations (Details) - Discontinued Operations, Disposed of by Sale - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Discontinued Operations [Line Items]
Depreciation		$ 4,518	$ 6,451
Amortization		2,270	3,167
Stock-based compensation		15,622	13,342
Interest (expense) income, net		(159)
Interest expense, net			407
Capital expenditures		5,049	10,762
Global Cooling
Discontinued Operations [Line Items]
Depreciation		0	397
Amortization		0	131
Stock-based compensation		4,191	4,734
Interest (expense) income, net		(42)
Interest expense, net			131
Capital expenditures		0	0
SciSafe
Discontinued Operations [Line Items]
Depreciation		2,402	2,636
Amortization		764	907
Stock-based compensation		6,410	2,759
Interest (expense) income, net		(50)
Interest expense, net			13
Capital expenditures		2,200	4,659
CBS
Discontinued Operations [Line Items]
Depreciation		4	471
Amortization		0	623
Stock-based compensation		3,790	2,503
Interest (expense) income, net		(114)
Interest expense, net			219
Capital expenditures		720	750
SAVSU
Discontinued Operations [Line Items]
Depreciation	$ 1,404	2,112	2,947
Amortization	1,127	1,506	1,506
Stock-based compensation	1,701	1,231	3,346
Interest (expense) income, net		47
Interest expense, net	2		44
Capital expenditures	$ 946	$ 2,129	$ 5,353