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Subsequent Events - Additional Information (Details) - USD ($) |  | 6 Months Ended
--- | --- | ---
Mar. 17, 2021 | Jun. 30, 2021
Supernova Class A Common Stock | Private Placement | PIPE Investors |  |
Subsequent Event [Line Items] |  |
Number of shares committed to purchase in private placement | 20,000,000 |
Purchase price per share | $ 10.00 |
Aggregate purchase price | $ 200,000,000 |
Sponsor Support Agreement |  |
Subsequent Event [Line Items] |  |
Vesting period | 5 years |
Weighted average price of stock | $ 12.00 | $ 12.00
Trading days | 20 days | 20 days
Consecutive trading days | 30 days | 30 days
Sponsor Support Agreement | Class B Common Stock |  |
Subsequent Event [Line Items] |  |
Sale of stock, percentage of shares of common stock issued | 20.00% | 20.00%
Merger Agreement | OfferPad, Inc. |  |
Subsequent Event [Line Items] |  |
Aggregate equity consideration | $ 2,250,000,000 | $ 2,250,000,000

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- Definition Aggregate purchase price. + References No definition available. + Details
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- Definition Consecutive trading days. + References No definition available. + Details
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- Definition Number of shares committed to purchase in private placement. + References No definition available. + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
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