Condensed consolidated financial statement details - Intangible Assets and Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Feb. 27, 2024	Dec. 31, 2023
Finite-Lived Intangible Assets, Net [Abstract]
Finite-Lived Intangible Assets, Gross	$ 58,566		$ 58,566			$ 51,066
Finite-Lived Intangible Assets, Accumulated Amortization	(51,691)		(51,691)			(51,066)
Finite-Lived Intangible Assets, Net, Total	6,875		6,875			0
Intangible Assets, Gross (Excluding Goodwill)	58,581		58,581			51,081
Intangible assets, net	6,890		6,890			15
Indefinite-lived Intangible Assets [Roll Forward]
Amortization of intangible assets	400	$ 0	600	$ 0
Goodwill	152,351		152,351		$ 5,900	146,459
Indefinite-Lived Trademarks	15		15			15
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Net (Excluding Goodwill)	6,890		6,890			$ 15
Amortization of intangible assets	$ 400	$ 0	$ 600	$ 0

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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