CONDENSED CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY - UNAUDITED - USD ($) shares in Millions, $ in Millions | Total | Class A and Class B Common Stock | Class A and Class B Common Stock Class A Shares | Class A and Class B Common Stock Class B Shares | Treasury Stock | Additional Paid-in Capital | Accumulated Other Comprehensive Income (Loss) | Accumulated Loss |
Beginning balance (in shares) at Dec. 31, 2020 | 0 | | | | | | | |
Beginning balance at Dec. 31, 2020 | $ 0 | | | | | | | |
Ending balance (in shares) at Jun. 30, 2021 | 0 | | | | | | | |
Ending balance at Jun. 30, 2021 | $ 0 | | | | | | | |
Beginning balance (in shares) at Dec. 31, 2020 | | | 59.4 | 192.2 | | | | |
Treasury stock, beginning balance (in shares) at Dec. 31, 2020 | | | | | 4.6 | | | |
Beginning balance at Dec. 31, 2020 | 1,032.4 | $ 0 | | | $ (0.8) | $ 1,775.6 | $ 5.6 | $ (748) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | |
Net loss | (278.2) | | | | | | | (278.2) |
Other comprehensive loss | (3.5) | | | | | | (3.5) | |
Conversion of Class B to Class A (in shares) | | | 52.9 | (52.9) | | | | |
Common stock—option exercises and restricted stock units vesting, net of shares withheld for employee taxes (in shares) | | | 2 | 0.4 | | | | |
Common stock—option exercises and restricted stock units vesting, net of shares withheld for employee taxes | 3.4 | | | | | 3.4 | | |
Reclassification of early-exercised stock options from liabilities (in shares) | | | (0.3) | | | | | |
Reclassification of early-exercised stock options from liabilities | 0.7 | | | | | 0.7 | | |
Common stock—share-based compensation expense | 7.2 | | | | | 7.2 | | |
Ending balance (in shares) at Jun. 30, 2021 | | | 114 | 139.7 | | | | |
Treasury stock, ending balance (in shares) at Jun. 30, 2021 | | | | | 4.6 | | | |
Ending balance at Jun. 30, 2021 | $ 762 | 0 | | | $ (0.8) | 1,786.9 | 2.1 | (1,026.2) |
Beginning balance (in shares) at Mar. 31, 2021 | 0 | | | | | | | |
Beginning balance at Mar. 31, 2021 | $ 0 | | | | | | | |
Ending balance (in shares) at Jun. 30, 2021 | 0 | | | | | | | |
Ending balance at Jun. 30, 2021 | $ 0 | | | | | | | |
Beginning balance (in shares) at Mar. 31, 2021 | | | 86.5 | 166.4 | | | | |
Treasury stock, beginning balance (in shares) at Mar. 31, 2021 | | | | | 4.6 | | | |
Beginning balance at Mar. 31, 2021 | 934.3 | 0 | | | $ (0.8) | 1,780.6 | 2.1 | (847.6) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | |
Net loss | (178.6) | | | | | | | (178.6) |
Conversion of Class B to Class A (in shares) | | | 26.8 | (26.8) | | | | |
Common stock—option exercises and restricted stock units vesting, net of shares withheld for employee taxes (in shares) | | | 1 | 0.1 | | | | |
Common stock—option exercises and restricted stock units vesting, net of shares withheld for employee taxes | 1.1 | | | | | 1.1 | | |
Reclassification of early-exercised stock options from liabilities (in shares) | | | (0.3) | | | | | |
Reclassification of early-exercised stock options from liabilities | 0.3 | | | | | 0.3 | | |
Common stock—share-based compensation expense | 4.9 | | | | | 4.9 | | |
Ending balance (in shares) at Jun. 30, 2021 | | | 114 | 139.7 | | | | |
Treasury stock, ending balance (in shares) at Jun. 30, 2021 | | | | | 4.6 | | | |
Ending balance at Jun. 30, 2021 | $ 762 | 0 | | | $ (0.8) | 1,786.9 | 2.1 | (1,026.2) |
Beginning balance (in shares) at Dec. 31, 2021 | 14.1 | | | | | | | |
Beginning balance at Dec. 31, 2021 | $ 112 | | | | | | | |
Ending balance (in shares) at Jun. 30, 2022 | 14.1 | | | | | | | |
Ending balance at Jun. 30, 2022 | $ 112 | | | | | | | |
Beginning balance (in shares) at Dec. 31, 2021 | | | 142.9 | 109.9 | | | | |
Treasury stock, beginning balance (in shares) at Dec. 31, 2021 | | | | | 0 | | | |
Beginning balance at Dec. 31, 2021 | 536.4 | 0 | | | $ 0 | 1,806.1 | 0.4 | (1,270.1) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | |
Net loss | (166.3) | | | | | | | (166.3) |
Other comprehensive loss | $ (5) | | | | | | (5) | |
Conversion of Class B to Class A (in shares) | | | 16.1 | (16.1) | | | | |
Common stock—option exercises and restricted stock units vesting, net of shares withheld for employee taxes (in shares) | 1 | | 2 | | | | | |
Common stock—option exercises and restricted stock units vesting, net of shares withheld for employee taxes | $ 0.4 | | | | | 0.4 | | |
Reclassification of early-exercised stock options from liabilities | 0.1 | | | | | 0.1 | | |
Common stock—share-based compensation expense | 14 | | | | | 14 | | |
Warrant compensation expense | 8.8 | | | | | 8.8 | | |
Warrants issuance costs | (1) | | | | | (1) | | |
Term Loan C warrants issued | 0.6 | | | | | 0.6 | | |
Ending balance (in shares) at Jun. 30, 2022 | | | 161 | 93.8 | | | | |
Treasury stock, ending balance (in shares) at Jun. 30, 2022 | | | | | 0 | | | |
Ending balance at Jun. 30, 2022 | $ 388 | 0 | | | $ 0 | 1,829 | (4.6) | (1,436.4) |
Beginning balance (in shares) at Mar. 31, 2022 | 14.1 | | | | | | | |
Beginning balance at Mar. 31, 2022 | $ 112 | | | | | | | |
Ending balance (in shares) at Jun. 30, 2022 | 14.1 | | | | | | | |
Ending balance at Jun. 30, 2022 | $ 112 | | | | | | | |
Beginning balance (in shares) at Mar. 31, 2022 | | | 154.9 | 99.5 | | | | |
Treasury stock, beginning balance (in shares) at Mar. 31, 2022 | | | | | 0 | | | |
Beginning balance at Mar. 31, 2022 | 468.7 | 0 | | | $ 0 | 1,818.5 | (3.3) | (1,346.5) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | |
Net loss | (89.9) | | | | | | | (89.9) |
Other comprehensive loss | (1.3) | | | | | | (1.3) | |
Conversion of Class B to Class A (in shares) | | | 5.7 | (5.7) | | | | |
Common stock—option exercises and restricted stock units vesting, net of shares withheld for employee taxes (in shares) | | | 0.4 | | | | | |
Common stock—option exercises and restricted stock units vesting, net of shares withheld for employee taxes | 0 | | | | | 0 | | |
Common stock—share-based compensation expense | 7.4 | | | | | 7.4 | | |
Warrant compensation expense | 3.5 | | | | | 3.5 | | |
Warrants issuance costs | (0.4) | | | | | (0.4) | | |
Ending balance (in shares) at Jun. 30, 2022 | | | 161 | 93.8 | | | | |
Treasury stock, ending balance (in shares) at Jun. 30, 2022 | | | | | 0 | | | |
Ending balance at Jun. 30, 2022 | $ 388 | $ 0 | | | $ 0 | $ 1,829 | $ (4.6) | $ (1,436.4) |