Shareholders' Equity - Narrative (Details) - Equity Distribution Agreement - USD ($)	1 Months Ended	9 Months Ended
	May 31, 2020	Sep. 30, 2021
Class of Stock [Line Items]
Number of shares issued in transaction (in shares)		0
Aggregate offering price, remaining available amount		$ 50,000,000
Common Stock
Class of Stock [Line Items]
Aggregate offering price	$ 50,000,000