Discontinued operations - Schedule of Key Components of Loss from Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Discontinued Operations [Line Items]
Loss from discontinued operations before income tax expense	$ 0	$ (6,908)
Income tax expense	0	(114)
Loss from discontinued operations	$ 0	(7,022)
Discontinued Operations, Disposed of by Sale
Discontinued Operations [Line Items]
Revenue		13,293
Cost of revenue		12,973
Gross profit		320
Operating expenses		(7,152)
Other income (expense), net		(76)
Loss from discontinued operations before income tax expense		(6,908)
Income tax expense		(114)
Loss from discontinued operations		(7,022)
Discontinued Operations, Disposed of by Sale | Global Cooling
Discontinued Operations [Line Items]
Revenue		4,948
Cost of revenue		6,600
Gross profit		(1,652)
Operating expenses		(4,314)
Other income (expense), net		(33)
Loss from discontinued operations before income tax expense		(5,999)
Income tax expense		(10)
Loss from discontinued operations		(6,009)
Discontinued Operations, Disposed of by Sale | SciSafe
Discontinued Operations [Line Items]
Revenue		5,135
Cost of revenue		3,725
Gross profit		1,410
Operating expenses		(1,663)
Other income (expense), net		(18)
Loss from discontinued operations before income tax expense		(271)
Income tax expense		(100)
Loss from discontinued operations		(371)
Discontinued Operations, Disposed of by Sale | CBS
Discontinued Operations [Line Items]
Revenue		3,210
Cost of revenue		2,648
Gross profit		562
Operating expenses		(1,175)
Other income (expense), net		(25)
Loss from discontinued operations before income tax expense		(638)
Income tax expense		(4)
Loss from discontinued operations		$ (642)