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Organization, Nature of Business, and Basis of Presentation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 1 Months Ended | 8 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 25, 2021 | Jan. 31, 2020 | Sep. 30, 2020 | Sep. 30, 2021 | Jun. 11, 2021 | Dec. 31, 2020
Common stock, par value |  |  |  | $ 0.001 | $ 0.001 | $ 0.001
Proceeds from issuance initial public offering |  | $ 0 | $ 0 | $ 320,559 |  |
Common stock, shares authorized |  |  |  | 1,000,000,000 | 1,000,000,000 | 1,000,000,000
Preferred stock, shares authorized |  |  |  | 250,000,000 | 250,000,000 |
Preferred stock, par value |  |  |  | $ 0.001 | $ 0.001 |
Class A Units |  |  |  |  |  |
Common stock, shares authorized |  | 140,000,000 |  |  |  |
Fastball Holdco, L.P |  |  |  |  |  |
Granted stock option | 3,865,509 |  |  |  |  |
IPO [Member] |  |  |  |  |  |
Stock issued during period shares new issues | 29,325,000 |  |  |  |  |
Shares offering, price per share | $ 15.00 |  |  |  |  |
Proceeds from issuance initial public offering | $ 316,500 |  |  |  |  |
Underwriting discounts and commissions | $ 22,300 |  |  |  |  |
Offering expenses |  |  |  | $ 4,000 |  |
Unpaid offering cost |  |  |  | $ 200 |  |
Common Stock [Member] |  |  |  |  |  |
Number of shares exchanged |  |  |  | 130,000,000 |  |
Common Stock [Member] | IPO [Member] |  |  |  |  |  |
Common stock, par value | $ 0.001 |  |  |  |  |
Shares offering, price per share | $ 15.00 |  |  |  |  |
Proceeds from issuance initial public offering | $ 316,500 |  |  |  |  |
Underwriting discounts and commissions | 22,300 |  |  |  |  |
Offering expenses | $ 4,000 |  |  |  |  |
First Portion of Common Stock [Member] | IPO [Member] |  |  |  |  |  |
Stock issued during period shares new issues | 22,856,250 |  |  |  |  |
Option to purchase additional shares of common stock | 2,981,250 |  |  |  |  |
Second Portion of Common Stock [Member] | IPO [Member] |  |  |  |  |  |
Stock issued during period shares new issues | 6,468,750 |  |  |  |  |
Option to purchase additional shares of common stock | 843,750 |  |  |  |  |

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