Commitments and Contingencies	4 Months Ended	6 Months Ended
Commitments and Contingencies	Dec. 31, 2020	Jun. 30, 2021
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies	Note 6—Commitments and Contingencies Registration Rights The holders of Founder Shares, Private Placement Warrants and warrants that may be issued upon conversion of Working Capital Loans, if any (and any shares of Class A common stock issuable upon the exercise of the Private Placement Warrants and warrants that may be issued upon conversion of Working Capital Loans and upon conversion of the Founder Shares), are entitled to registration rights pursuant to a registration rights agreement. These holders are entitled to certain demand and “piggyback” registration rights. The Company will bear the expenses incurred in connection with the filing of any such registration statements. Underwriting Agreement The underwriters were entitled to an underwriting discount of $0.20 per unit, or approximately $8.1 million in the aggregate, paid upon the closing of the Initial Public Offering. In addition, $0.35 per unit, or approximately $14.1 million in the aggregate will be payable to the underwriters for deferred underwriting commissions. The deferred fee will become payable to the underwriters from the amounts held in the Trust Account solely in the event that the Company completes a Business Combination, subject to the terms of the underwriting agreement. Risks and Uncertainties Management continues to evaluate the impact of the COVID-19 pandemic on the industry and has concluded that while it is reasonably possible that the virus could have a negative effect on the Company’s financial position, results of its operations and/or search for a target company, the specific impact is not readily determinable as of the date of these financial statements. The financial statements do not include any adjustments that might result from the outcome of this uncertainty.	Note 5—Commitments and Contingencies Registration rights The holders of Founder Shares, Private Placement Warrants and warrants that may be issued upon conversion of Working Capital Loans, if any (and any shares of Class A common stock issuable upon the exercise of the Private Placement Warrants and warrants that may be issued upon conversion of Working Capital Loans and upon conversion of the Founder Shares), are entitled to registration rights pursuant to a registration rights agreement. These holders are entitled to certain demand and “piggyback” registration rights. The Company will bear the expenses incurred in connection with the filing of any such registration statements. Underwriting agreement The underwriters were entitled to an underwriting discount of $0.20 per unit, or approximately $8.1 million in the aggregate, paid upon the closing of the Initial Public Offering. In addition, $0.35 per unit, or approximately $14.1 million in the aggregate will be payable to the underwriters for deferred underwriting commissions. The deferred fee will become payable to the underwriters from the amounts held in the Trust Account solely in the event that the Company completes a Business Combination, subject to the terms of the underwriting agreement. Stockholder Complaint On April 21, 2021 a stockholder complaint was filed in the Supreme Court of the State of New York against us and the individual members of our Board, captioned Muir v. Supernova Partners Acquisition Company, Inc., et al. (the “Muir Complaint”). The complaint asserts that the individual members of the Company’s Board breached their fiduciary duties, and that the Company aided and abetted that breach of fiduciary duties, by allegedly failing to disclose material information and disclosing materially misleading information in the Proxy Statement, including allegations relating to the background of the Merger, financial projections, and analyses of financial advisors. The Company has also received certain demands from stockholders making similar allegations. Management believes that the estimated loss associated with the Muir Complaint is not reasonably probable or estimable. Risks and uncertainties Management continues to evaluate the impact of the COVID-19 pandemic on the industry and has concluded that while it is reasonably possible that the virus could have a negative effect on the Company’s financial position, results of its operations and/or search for a target company, the specific impact is not readily determinable as of the date of these unaudited consolidated condensed financial statements. The unaudited consolidated condensed financial statements do not include any adjustments that might result from the outcome of this uncertainty.