Unaudited condensed consolidated statements of comprehensive loss (Parenthetical) - USD ($)	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Other comprehensive (loss) income, tax	$ 0	$ 0	$ 0	$ 0

Amount of tax expense (benefit) allocated to other comprehensive income (loss).

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+ Details