Common Stock - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands					1 Months Ended		3 Months Ended	12 Months Ended
	Feb. 25, 2020	Feb. 19, 2020	Sep. 03, 2019	Aug. 19, 2019	Aug. 31, 2020	Feb. 29, 2020	Sep. 30, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Issuance of common stock sold, net of underwriting discounts, commissions, and offering costs								$ 8,549	$ 206,276	$ 431,780
Common Shares
Class of Stock [Line Items]
Number of additional shares issued and sold (in shares)								172,094	3,953,365	12,432,431
Issuance of common stock sold, net of underwriting discounts, commissions, and offering costs								$ 2	$ 40	$ 124
Follow On Offering | Common Shares
Class of Stock [Line Items]
Number of additional shares issued and sold (in shares)	477,272	3,181,818	1,621,621	10,810,810		3,659,090	12,432,431
Additional offering price of common stock (in dollars per share)	$ 55.00	$ 55.00	$ 37.00	$ 37.00		$ 55.00	$ 37.00
Issuance of common stock sold, net of underwriting discounts, commissions, and offering costs	$ 24,700	$ 163,700	$ 56,400	$ 375,400		$ 188,400	$ 431,800
Open Market Sale Agreement
Class of Stock [Line Items]
Authorized aggregate offering proceeds					$ 200,000
Available for future issuance								$ 172,500
Open Market Sale Agreement | Common Shares
Class of Stock [Line Items]
Number of additional shares issued and sold (in shares)								172,094	294,275
Issuance of common stock sold, net of underwriting discounts, commissions, and offering costs								$ 8,500	$ 17,900