XML 66 R56.htm IDEA: XBRL DOCUMENT

Stockholders' Equity (Details) - USD ($) $ / shares in Units, shares in Millions	1 Months Ended		3 Months Ended		9 Months Ended
	Jan. 31, 2023	Aug. 31, 2021	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2023	Sep. 30, 2022
Subsidiary, Sale of Stock [Line Items]
Proceeds from issuance of common stock in at the market offering, net of issuance costs					$ 119,248,000	$ 52,845,000
Common stock
Subsidiary, Sale of Stock [Line Items]
Maximum aggregate offering price	$ 250,000,000
2021 Open Market Sales Agreement
Subsidiary, Sale of Stock [Line Items]
Commission on sale of stock per agreement (as percent)		3.00%
Total of gross proceeds				$ 150,000,000
Issuance of common stock in at the market offering (in shares)				15.5
Proceeds from issuance of common stock in at the market offering, net of issuance costs				$ 51,900,000
2021 Open Market Sales Agreement \| Common stock
Subsidiary, Sale of Stock [Line Items]
Maximum aggregate offering price		$ 150,000,000
2023 Open Market Sales Agreement
Subsidiary, Sale of Stock [Line Items]
Commission on sale of stock per agreement (as percent)	3.00%
Issuance of common stock in at the market offering (in shares)			13.8		16.8
Proceeds from issuance of common stock in at the market offering, net of issuance costs			$ 58,400,000		$ 70,000,000
Weighted-average sales price per share (in dollars per share)			$ 4.24		$ 4.17
2023 Open Market Sales Agreement \| Common stock
Subsidiary, Sale of Stock [Line Items]
Maximum aggregate offering price	$ 150,000,000