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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 |  |

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