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At-the-Market Equity Offerings - Summary of Active At-the-Market Equity Offering (Detail) - USD ($) $ in Thousands |  |  |  | 2 Months Ended | 3 Months Ended | 8 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Aug. 01, 2023 | May 01, 2023 | Sep. 09, 2022 | Sep. 30, 2023 | Sep. 30, 2023 | Aug. 01, 2023 | Sep. 30, 2022 | May 01, 2023 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Class A |  |  |  |  |  |  |  |  |  |  |
At Market Equity Offerings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cumulative shares sold under such sales agreement |  |  |  | 21,227,000 | 21,227,000 |  |  |  | 21,227,000 |  | 18,269,000
2022 Sales Agreement |  |  |  |  |  |  |  |  |  |  |
At Market Equity Offerings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cumulative shares sold under such sales agreement |  |  |  | 1,567,430 | 1,567,430 |  |  |  | 1,567,430 |  |
2022 Sales Agreement | Class A |  |  |  |  |  |  |  |  |  |  |
At Market Equity Offerings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares sold under such sales agreement |  |  |  |  |  |  | 0 |  | 1,348,855 | 0 |
2022 Sales Agreement | Cowen and BTIG |  |  |  |  |  |  |  |  |  |  |
At Market Equity Offerings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net proceeds received from shares sold under such sales agreement |  |  |  |  |  |  |  | $ 385,181 |  |  |
2022 Sales Agreement | Cowen and BTIG | Class A |  |  |  |  |  |  |  |  |  |  |
At Market Equity Offerings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Agreement effective date |  |  | Sep. 09, 2022 |  |  |  |  |  |  |  |
Sales agents |  |  | Cowen and Company, LLC and BTIG, LLC ("2022 Sales Agents") |  |  |  |  |  |  |  |
Maximum aggregate offering price |  |  | $ 500,000 |  |  |  |  |  |  |  |
Maximum commissions payable to sales agents on gross proceeds from the sale of shares |  |  | 2.00% |  |  |  |  |  |  |  |
Date terminated |  | May 01, 2023 |  |  |  |  |  |  |  |  |
Net proceeds received from shares sold under such sales agreement |  |  |  |  |  |  |  |  | $ 338,962 |  |
May 2023 Sales Agreement |  |  |  |  |  |  |  |  |  |  |
At Market Equity Offerings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cumulative shares sold under such sales agreement |  |  |  | 1,079,170 | 1,079,170 |  |  |  | 1,079,170 |  |
May 2023 Sales Agreement | Class A |  |  |  |  |  |  |  |  |  |  |
At Market Equity Offerings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares sold under such sales agreement |  |  |  |  |  |  |  |  | 1,079,170 |  |
May 2023 Sales Agreement | Cowen and Canaccord Genuity |  |  |  |  |  |  |  |  |  |  |
At Market Equity Offerings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net proceeds received from shares sold under such sales agreement |  |  |  |  |  | $ 333,494 |  |  |  |  |
May 2023 Sales Agreement | Cowen and Canaccord Genuity | Class A |  |  |  |  |  |  |  |  |  |  |
At Market Equity Offerings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Agreement effective date |  | May 01, 2023 |  |  |  |  |  |  |  |  |
Sales agents |  | Cowen and Company, LLC and Canaccord Genuity LLC ("May 2023 Sales Agents") |  |  |  |  |  |  |  |  |
Maximum aggregate offering price |  | $ 625,000 |  |  |  |  |  |  |  |  |
Maximum commissions payable to sales agents on gross proceeds from the sale of shares |  | 2.00% |  |  |  |  |  |  |  |  |
Date terminated | Aug. 01, 2023 |  |  |  |  |  |  |  |  |  |
Shares sold under such sales agreement |  |  |  |  | 0 |  |  |  |  |  |
Net proceeds received from shares sold under such sales agreement |  |  |  |  | $ 0 |  |  |  | $ 333,494 |  |
August 2023 Sales Agreement |  |  |  |  |  |  |  |  |  |  |
At Market Equity Offerings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cumulative shares sold under such sales agreement |  |  |  | 403,362 | 403,362 |  |  |  | 403,362 |  |
August 2023 Sales Agreement | Class A |  |  |  |  |  |  |  |  |  |  |
At Market Equity Offerings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Shares sold under such sales agreement |  |  |  |  |  |  |  |  | 403,362 |  |
August 2023 Sales Agreement | Cowen, Canaccord and Berenberg Capital Markets LLC |  |  |  |  |  |  |  |  |  |  |
At Market Equity Offerings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Net proceeds received from shares sold under such sales agreement |  |  |  | $ 147,218 |  |  |  |  |  |  |
Maximum aggregate offering price remaining under such sales agreement |  |  |  | $ 602,124 | $ 602,124 |  |  |  | $ 602,124 |  |
August 2023 Sales Agreement | Cowen, Canaccord and Berenberg Capital Markets LLC | Class A |  |  |  |  |  |  |  |  |  |  |
At Market Equity Offerings [Line Items] |  |  |  |  |  |  |  |  |  |  |
Agreement effective date | Aug. 01, 2023 |  |  |  |  |  |  |  |  |  |
Sales agents | Cowen and Company, LLC, Canaccord Genuity LLC, and Berenberg Capital Markets LLC ("August 2023 Sales Agents") |  |  |  |  |  |  |  |  |  |
Maximum aggregate offering price | $ 750,000 |  |  |  |  |  |  |  |  |  |
Maximum commissions payable to sales agents on gross proceeds from the sale of shares | 2.00% |  |  |  |  |  |  |  |  |  |
Shares sold under such sales agreement |  |  |  |  | 403,362 |  |  |  |  |  |
Net proceeds received from shares sold under such sales agreement |  |  |  |  | $ 147,218 |  |  |  | $ 147,218 |  |

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