Capital Stock (Details) - USD ($)	1 Months Ended	3 Months Ended	9 Months Ended
	May 31, 2021	Sep. 30, 2021	Sep. 30, 2021	Sep. 30, 2020
Subsidiary, Sale of Stock [Line Items]
Stock options exercised (in shares)			422,964	87,240
Weighted average exercise price of stock options exercised (usd per share)			$ 6.45	$ 6.17
Proceeds from exercises of stock options			$ 2,700,000	$ 539,000
PSC
Subsidiary, Sale of Stock [Line Items]
Sale period	3 years
Value of shares for issuance		$ 50,000,000	$ 50,000,000
Commissions as percentage of gross sales price	3.00%
Shares issued (in shares)		0	0
PSC | Maximum
Subsidiary, Sale of Stock [Line Items]
Value of shares for issuance	$ 50,000,000
Commissions and reimbursements of expenses as percentage of gross sales price	8.00%