Discontinued operations - Components of Loss from Discontinued Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Discontinued Operations [Line Items]
(Loss) income before income taxes	$ (8,665)	$ (49,362)	$ (139,979)
Income tax expense	(132)	(193)	(214)
Loss from discontinued operations	(8,797)	(49,555)	(140,193)
Discontinued Operations, Disposed of by Sale
Discontinued Operations [Line Items]
Revenue	37,738	67,416	85,519
Cost of revenue	(35,346)	(66,597)	(78,609)
Operating expenses	(25,852)	(32,631)	(30,456)
Intangible asset impairment charges		(15,485)	(110,364)
Intangible asset amortization	(764)	(1,661)	(5,706)
Other expense, net	(318)	(404)	(363)
(Loss) gain on disposal	15,877
(Loss) income before income taxes	(8,665)	(49,362)	(139,979)
Income tax expense	(132)	(193)	(214)
Loss from discontinued operations	(8,797)	(49,555)	(140,193)
Discontinued Operations, Disposed of by Sale | Global Cooling
Discontinued Operations [Line Items]
Revenue	7,157	35,826	47,915
Cost of revenue	(8,389)	(36,682)	(51,621)
Operating expenses	(9,418)	(20,162)	(19,211)
Intangible asset impairment charges		(7,175)	(110,364)
Intangible asset amortization	0	(131)	(3,969)
Other expense, net	(25)	(90)	(255)
(Loss) gain on disposal	(8,897)
(Loss) income before income taxes	(19,572)	(28,414)	(137,505)
Income tax expense	(10)	(4)	(14)
Loss from discontinued operations	(19,582)	(28,418)	(137,519)
Discontinued Operations, Disposed of by Sale | SciSafe
Discontinued Operations [Line Items]
Revenue	18,440	18,014	21,462
Cost of revenue	(16,357)	(17,283)	(15,060)
Operating expenses	(11,467)	(5,316)	(5,697)
Intangible asset impairment charges		0	0
Intangible asset amortization	(764)	(907)	(907)
Other expense, net	(183)	(100)	(84)
(Loss) gain on disposal	28,139
(Loss) income before income taxes	17,808	(5,592)	(286)
Income tax expense	(122)	(180)	(191)
Loss from discontinued operations	17,686	(5,772)	(477)
Discontinued Operations, Disposed of by Sale | CBS
Discontinued Operations [Line Items]
Revenue	12,141	13,576	16,142
Cost of revenue	(10,600)	(12,632)	(11,928)
Operating expenses	(4,967)	(7,153)	(5,548)
Intangible asset impairment charges		(8,310)	0
Intangible asset amortization	0	(623)	(830)
Other expense, net	(110)	(214)	(24)
(Loss) gain on disposal	(3,365)
(Loss) income before income taxes	(6,901)	(15,356)	(2,188)
Income tax expense	0	(9)	(9)
Loss from discontinued operations	$ (6,901)	$ (15,365)	$ (2,197)