Summary of significant accounting policies - Property, Equipment and Software and Goodwill and Other Intangible Assets (Details)	12 Months Ended
	Dec. 31, 2022 USD ($)
Impairment charge with respect to goodwill or other intangible assets	$ 0
Impairment charge for long-lived assets	$ 0
Site Host relationships [Member]
Useful life	12 years
Customer relationships [Member] | Minimum [Member]
Useful life	4 years
Customer relationships [Member] | Maximum [Member]
Useful life	5 years
Developed technology [Member] | Minimum [Member]
Useful life	10 years
Developed technology [Member] | Maximum [Member]
Useful life	15 years
User base [Member]
Useful life	4 years
Trade name [Member] | Minimum [Member]
Useful life	15 years
Trade name [Member] | Maximum [Member]
Useful life	20 years
Software Development [Member]
Useful life	3 years
Building [Member]
Useful life	40 years
Property, Equipment And Software [Member] | Minimum [Member]
Useful life	3 years
Property, Equipment And Software [Member] | Maximum [Member]
Useful life	7 years