Discontinued operations - Divestiture (Details) - Discontinued Operations, Disposed of by Sale - USD ($) $ in Thousands	Nov. 14, 2024	Nov. 12, 2024
SciSafe
Discontinued Operations [Line Items]
Cash proceeds received from Buyer		$ 71,291
Cash proceeds from escrow		483
Costs to sell		(506)
Total proceeds		71,268
Less: SciSafe carrying basis as of November 12, 2024		42,507
Less: Release of SciSafe currency translation adjustment		622
Net loss on disposal		28,139
Gross selling costs	$ 1,400	2,100
Additional selling costs	1,300	$ 1,600
CBS
Discontinued Operations [Line Items]
Cash proceeds received from Buyer	2,785
Cash proceeds from escrow	615
Net price adjustment	179
Costs to sell	(148)
Total proceeds	3,431
Less: CBS carrying basis as of November 14, 2024	6,796
Net loss on disposal	$ (3,365)