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Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Statement Of Financial Position [Abstract] |  |
Accounts receivable from related parties | $ 23,126 | $ 4,127
Prepaid expenses and other current assets from related parties | 0 | 889
Accounts payable to related party | 0 | 1,118
Accrued and other current liabilities to related party | 18 | 24
Deferred revenue current to related party | 9,113 | 2,907
Deferred revenue non-current to related party | $ 10,604 | $ 4,636
Preferred stock, par value | $ 0.01 | $ 0.01
Preferred stock, shares authorized | 125,000,000 | 125,000,000
Preferred stock, shares issued | 0 | 0
Preferred stock, shares outstanding | 0 | 0
Common stock, par value | $ 0.01 | $ 0.01
Common stock, shares authorized | 225,000,000 | 225,000,000
Common stock, shares issued | 92,708,000 | 91,441,000
Common stock, shares outstanding | 92,708,000 | 91,441,000

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