Stockholders’ Equity (Details) - USD ($)		3 Months Ended	9 Months Ended
	Mar. 22, 2019	Sep. 30, 2021	Sep. 30, 2021	Dec. 31, 2020
Class of Stock [Line Items]
Preferred stock, authorized (in shares)		2,000,000	2,000,000	2,000,000
Preferred shares, par value (in dollars per share)		$ 0.0001	$ 0.0001	$ 0.0001
Preferred shares, shares issued (in shares)		0	0	0
Preferred shares, shares outstanding (in shares)		0	0	0
Common shares, shares authorized (in shares)		170,000,000	170,000,000	170,000,000
Common shares, par value (in dollars per share)		$ 0.0001	$ 0.0001	$ 0.0001
Common shares, shares issued (in shares)		93,966,381	93,966,381	93,573,165
Common shares, shares outstanding (in shares)		93,966,381	93,966,381	93,573,165
At-the-Market Offering
Class of Stock [Line Items]
Remaining amount available for sale		$ 32,300,000	$ 32,300,000
At-the-Market Offering | Maximum
Class of Stock [Line Items]
Sales agreement, threshold sale of shares	$ 40,000,000