Research and Development Tax Incentive (Details) - Australian Taxation Office $ in Millions, $ in Millions	3 Months Ended			9 Months Ended
	Sep. 30, 2022 AUD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2021 AUD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2022 AUD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2021 AUD ($)	Sep. 30, 2022 AUD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2021 AUD ($)
Reduction to research and development expenses	$ 0.0	$ 0.5	$ 0.6	$ 0.0	$ 0.0	$ 2.2	$ 2.9
Research and development cash tax incentive receivable				$ 0.0				$ 0.0	$ 2.8	$ 3.8