Stock-Based Compensation - Summary of RSU Activity (Details)	12 Months Ended
	Dec. 31, 2021 $ / shares shares
RSUs and DSUs
Number of Shares
Unvested beginning balance (in shares)	8,046,399
Granted (in shares)	2,704,909
Vested (in shares)	(4,875,305)
Cancelled or forfeited (in shares)	(339,078)
Unvested ending balance (in shares)	5,536,925
Vested and unreleased (in shares)	194,446
Outstanding at end of period (in shares)	5,731,371
Weighted Average Grant Date Fair Value
Unvested at beginning of period (in dollars per share) | $ / shares	$ 3.41
Granted (in dollars per share) | $ / shares	4.92
Vested (in dollars per share) | $ / shares	3.75
Cancelled or forfeited (in dollars per share) | $ / shares	3.41
Unvested at end of period (in dollars per share) | $ / shares	$ 4.04
PSUs
Number of Shares
Unvested beginning balance (in shares)	0
Granted (in shares)	746,723
Vested (in shares)	0
Cancelled or forfeited (in shares)	(39,635)
Unvested ending balance (in shares)	707,088
Vested and unreleased (in shares)	0
Outstanding at end of period (in shares)	707,088
Weighted Average Grant Date Fair Value
Unvested at beginning of period (in dollars per share) | $ / shares	$ 0
Granted (in dollars per share) | $ / shares	4.66
Vested (in dollars per share) | $ / shares	0
Cancelled or forfeited (in dollars per share) | $ / shares	4.66
Unvested at end of period (in dollars per share) | $ / shares	$ 4.66