Shareholders' Equity - Warrant Activity (Details) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Class of Warrant or Right [Roll Forward]
Warrants exercised (in shares)	(1,700,000)	(500)
Warrants
Class of Warrant or Right [Roll Forward]
Beginning balance (in shares)	1,690,000
Warrants exercised (in shares)	(1,684,000)
Warrants expired (in shares)	(6,000)
Ending balance (in shares)	0	1,690,000