Fair Value of Financial Instruments - Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value Measurements Recurring - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financial Assets, Fair Value Disclosure [Abstract]
Cash equivalents	$ 80,127
Directors' Deferred Share Unit Liability
Financial Liabilities Fair Value Disclosure [Abstract]
Financial liabilities	145	$ 509
Level 1
Financial Assets, Fair Value Disclosure [Abstract]
Cash equivalents	80,127
Level 1 | Directors' Deferred Share Unit Liability
Financial Liabilities Fair Value Disclosure [Abstract]
Financial liabilities	$ 145	$ 509