Discontinued operations - Noncash Related Costs For Discontinued Operations (Details) - Discontinued Operations, Disposed of by Sale - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Discontinued Operations [Line Items]
Depreciation	$ 2,406	$ 3,504	$ 3,185
Amortization	764	1,661	5,706
Stock-based compensation	14,391	9,996	7,608
Interest expense, net	206	363	403
Capital expenditures	2,920	5,409	7,602
Global Cooling
Discontinued Operations [Line Items]
Depreciation	0	397	616
Amortization	0	131	3,969
Stock-based compensation	4,191	4,734	3,304
Interest expense, net	42	131	257
Capital expenditures	0	0	0
SciSafe
Discontinued Operations [Line Items]
Depreciation	2,402	2,636	2,081
Amortization	764	907	907
Stock-based compensation	6,410	2,759	2,465
Interest expense, net	50	13	118
Capital expenditures	2,200	4,659	6,790
CBS
Discontinued Operations [Line Items]
Depreciation	4	471	488
Amortization	0	623	830
Stock-based compensation	3,790	2,503	1,839
Interest expense, net	114	219	28
Capital expenditures	$ 720	$ 750	$ 812