Discontinued operations - Schedule of Noncash Related Costs For Discontinued Operations (Details) - Discontinued Operations, Disposed of by Sale - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2024
Discontinued Operations [Line Items]
Depreciation	$ 718	$ 1,384
Amortization	227	453
Stock-based compensation	4,734	6,790
Interest expense, net	40	107
Capital expenditures	884	1,165
Global Cooling
Discontinued Operations [Line Items]
Depreciation	0	0
Amortization	0	0
Stock-based compensation	3,243	4,191
Interest expense, net	3	42
Capital expenditures	0	26
SciSafe
Discontinued Operations [Line Items]
Depreciation	718	1,384
Amortization	227	453
Stock-based compensation	732	1,438
Interest expense, net	5	7
Capital expenditures	735	990
CBS
Discontinued Operations [Line Items]
Depreciation	0	0
Amortization	0	0
Stock-based compensation	759	1,161
Interest expense, net	32	58
Capital expenditures	$ 149	$ 149