Financial instruments (Details) - Cash, cash equivalents and financial investments	Jun. 30, 2022 USD ($)
Financial Instruments
Cash, cash equivalents and financial investments	$ 330,781,207
%	100.00%
Pre-fixed
Financial Instruments
Cash, cash equivalents and financial investments	$ 328,417,524
%	99.29%
Post-fixed
Financial Instruments
Cash, cash equivalents and financial investments	$ 2,363,683
%	0.71%