Discontinued operations - Schedule of Key Components of Loss from Discontinued Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Discontinued Operations [Line Items]
Loss on disposal			$ 0	$ (8,897)
Loss before income taxes	$ 0	$ (1,180)	0	(23,247)
Income tax expense	0	(52)	0	(166)
Loss from discontinued operations, net of income taxes	$ 0	(1,232)	$ 0	(23,413)
Discontinued Operations, Disposed of by Sale
Discontinued Operations [Line Items]
Revenue		9,179		33,295
Cost of revenue		6,876		28,565
Gross profit		2,303		4,730
Operating expenses		(3,444)		(18,873)
Other expense, net		(39)		(207)
Loss on disposal				(8,897)
Loss before income taxes		(1,180)		(23,247)
Income tax expense		(52)		(166)
Loss from discontinued operations, net of income taxes		(1,232)		(23,413)
Discontinued Operations, Disposed of by Sale | Global Cooling
Discontinued Operations [Line Items]
Revenue		0		7,157
Cost of revenue		0		8,389
Gross profit		0		(1,232)
Operating expenses		0		(9,418)
Other expense, net		0		(25)
Loss on disposal				(8,897)
Loss before income taxes		0		(19,572)
Income tax expense		0		(10)
Loss from discontinued operations, net of income taxes		0		(19,582)
Discontinued Operations, Disposed of by Sale | SciSafe
Discontinued Operations [Line Items]
Revenue		5,536		15,950
Cost of revenue		4,286		12,216
Gross profit		1,250		3,734
Operating expenses		(2,432)		(5,948)
Other expense, net		(9)		(96)
Loss on disposal				0
Loss before income taxes		(1,191)		(2,310)
Income tax expense		(51)		(146)
Loss from discontinued operations, net of income taxes		(1,242)		(2,456)
Discontinued Operations, Disposed of by Sale | CBS
Discontinued Operations [Line Items]
Revenue		3,643		10,188
Cost of revenue		2,590		7,960
Gross profit		1,053		2,228
Operating expenses		(1,012)		(3,507)
Other expense, net		(30)		(86)
Loss on disposal				0
Loss before income taxes		11		(1,365)
Income tax expense		(1)		(10)
Loss from discontinued operations, net of income taxes		$ 10		$ (1,375)