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Stock Transactions and Unit Redemptions - Additional Information (Detail) - USD ($) $ in Thousands |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Mar. 08, 2021 | Mar. 09, 2018 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Aug. 01, 2021
Class of Stock [Line Items] |  |  |  |  |  |
Payment percentage of the gross proceeds from the sale of shares |  | 2.00% |  |  |  |
Stock repurchase program and unit redemption remaining authorized amount |  |  | $ 191,809 |  |  |
CF & Co |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Issuance of Class A common stock (net of costs) (in shares) |  |  | 0 | 200,000 |  |
CEO Program | CF & Co |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Issuance of Class A common stock (net of costs) (in shares) |  |  | 0 |  |  |
Class B Common Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Common stock outstanding (in shares) |  |  | 45,884,000 | 45,884,000 |  |
Common stock, shares issued (in shares) |  |  | 45,884,000 | 45,884,000 |  |
Common stock value |  |  | $ 459 | $ 459 |  |
Class A Common Stock |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Common stock outstanding (in shares) |  |  | 317,023,000 | 323,018,000 |  |
Common stock, shares issued (in shares) |  |  | 435,944,000 | 373,545,000 |  |
Issuance of Class A common stock (net of costs) (in shares) |  |  | 417,247 | 390,570 | 212,711 |
Common stock value |  |  | $ 4,359 | $ 3,735 |  |
Company's repurchase and additional redemption authority amount |  |  |  |  |  | $ 400,000
Stock repurchase program and unit redemption remaining authorized amount |  |  | $ 191,800 |  |  |
Class A Common Stock | CEO Program |  |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |  |
Maximum amount under the controlled equity offering program (in shares) | $ 300,000 | $ 300,000 |  |  |  |
Common stock, shares issued (in shares) |  |  | 17,600,000 |  |  |
Common stock value |  |  | $ 210,800 |  |  |

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