Common and Preferred Stock - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended				9 Months Ended
	Feb. 28, 2018	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Class of Stock [Line Items]
Common stock, shares authorized						800,000,000		800,000,000
Common stock, par value						$ 0.01		$ 0.01
Undesignated preferred stock, shares authorized						10,000,000		10,000,000
Undesignated preferred stock, par value						$ 0.01		$ 0.01
Common stock, shares issued						275,775,038		270,034,495
Common stock, shares outstanding						275,775,038		270,034,495
Undesignated preferred stock, shares outstanding						0		0
Proceeds from market price stock purchase plan						$ 1.4	$ 0.2
Market price stock purchase plan						416,099	36,004
Common Stock
Class of Stock [Line Items]
Number of shares sold during the period		416,000	847,000	362,000	269,000
Controlled Equity Offering Sales Agreement | Cantor Fitzgerald | Common Stock | Maximum
Class of Stock [Line Items]
Amount of net proceeds from issuance of securities	$ 50.0
At Market Issuance Sales Agreement | Cantor Fitzgerald | Common Stock
Class of Stock [Line Items]
Amount of net proceeds from issuance of securities						$ 6.9
Number of shares sold during the period						1,478,090
At Market Issuance Sales Agreement | Cantor Fitzgerald | Common Stock | Weighted Average
Class of Stock [Line Items]
Exchange price per share						$ 4.66