Other assets - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Cloud computing arrangements
Finite-Lived Intangible Assets [Line Items]
Amortization of intangible assets	$ (100,000)	$ 0	$ (100,000)	$ 0