Income taxes (Details) $ in Thousands	Mar. 31, 2021 USD ($)
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 102,739
Unrecognized tax benefits that would impact effective tax rate if recognized	102,739
Accrued interest related to the gross unrecognized tax benefits excluded from the unrecognized tax benefits	17,215
Decrease in unrecognized tax benefits that is reasonably possible (up to)	$ 40,000