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Summary of Significant Accounting Policies (Policies) | 6 Months Ended | 12 Months Ended
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Jun. 30, 2021 | Dec. 31, 2020
Accounting Policies [Abstract] |  |
Basis of Presentation | Basis of Presentation The accompanying financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) and pursuant to the accounting and disclosure rules and regulations of the Securities and Exchange Commission (the “SEC”), and reflect all adjustments, consisting only of normal recurring adjustments, which are, in the opinion of management, necessary for a fair presentation of the Company’s financial position at June 30, 2021 and December 31, 2020, and the results of operations and cash flows for the periods presented. | Basis of Presentation The accompanying financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“U.S. GAAP”) and pursuant to the accounting and disclosure rules and regulations of the SEC, and reflect all adjustments, consisting only of normal recurring adjustments, which are, in the opinion of management, necessary for a fair presentation of the Company’s financial position at December 31, 2020 and 2019, and the results of operations and cash flows for the periods presented.
Emerging Growth Company | Emerging Growth Company Section 102(b)(1) of the JOBS Act exempts emerging growth companies from being required to comply with new or revised financial accounting standards until private companies (that is, those that have not had a Securities Act registration statement declared effective or do not have a class of securities registered under the Securities and Exchange Act of 1934, as amended) are required to comply with the new or revised financial accounting standards. The JOBS Act provides that a company can elect to opt out of the extended transition period and comply with the requirements that apply to non-emerging growth companies but any such an election to opt out is irrevocable. The Company has elected not to opt out of such extended transition period which means that when a standard is issued or revised and it has different application dates for public or private companies, the Company, as an emerging growth company, can adopt the new or revised standard at the time private companies adopt the new or revised standard. | Emerging Growth Company Section 102(b)(1) of the JOBS Act exempts emerging growth companies from being required to comply with new or revised financial accounting standards until private companies (that is, those that have not had a Securities Act registration statement declared effective or do not have a class of securities registered under the Securities and Exchange Act of 1934, as amended) are required to comply with the new or revised financial accounting standards. The JOBS Act provides that a company can elect to opt out of the extended transition period and comply with the requirements that apply to non-emerging growth companies but any such an election to opt out is irrevocable. The Company has elected not to opt out of such extended transition period which means that when a standard is issued or revised and it has different application dates for public or private companies, the Company, as an emerging growth company, can adopt the new or revised standard at the time private companies adopt the new or revised standard.
Cash | Cash Cash and cash equivalents include cash on hand and on deposit at banking institutions as well as all highly liquid short-term investments with original maturities of 90 days or less. The Company did not have any cash equivalents as of June 30, 2021 or December 31, 2020. | Cash Cash and cash equivalents include cash on hand and on deposit at banking institutions as well as all highly liquid short-term investments with original maturities of 90 days or less. The Company did not have cash equivalents at December 31, 2020.
Concentration of Credit Risk | Concentration of Credit Risk Financial instruments that potentially subject the Company to concentrations of credit risk consist of cash accounts in a financial institution, which at times, may exceed the Federal depository insurance coverage of $250,000. The Company has not experienced losses on these accounts and management believes the Company is not exposed to significant risks on such accounts. | Concentration of Credit Risk Financial instruments that potentially subject the Company to concentrations of credit risk consist of cash accounts in a financial institution, which at times, may exceed the Federal depository insurance coverage of $250,000. The Company has not experienced losses on these accounts and management believes the Company is not exposed to significant risks on such accounts.
Financial Instruments | Financial Instruments The fair value of the Company’s assets and liabilities, which qualify as financial instruments under ASC 820, “Fair Value Measurements and Disclosures,” approximates the carrying amounts represented in the balance sheet due to their short-term nature. | Financial Instruments The fair value of the Company’s assets and liabilities, which qualify as financial instruments under ASC 820, “Fair Value Measurements and Disclosures,” approximates the carrying amounts represented in the balance sheet owing to their short-term nature.
Fair Value Measurement | Fair Value Measurement ASC 820 establishes a fair value hierarchy that prioritizes and ranks the level of observability of inputs used to measure investments at fair value. The observability of inputs is impacted by a number of factors, including the type of investment, characteristics specific to the investment, market conditions and other factors. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level I measurements) and the lowest priority to unobservable inputs (Level III measurements). Investments with readily available quoted prices or for which fair value can be measured from quoted prices in active markets will typically have a higher degree of input observability and a lesser degree of judgment applied in determining fair value. The three levels of the fair value hierarchy under ASC 820 are as follows: Level I—Quoted prices (unadjusted) in active markets for identical investments at the measurement date are used. Level II—Pricing inputs are other than quoted prices included within Level I that are observable for the investment, either directly or indirectly. Level II pricing inputs include quoted prices for similar investments in active markets, quoted prices for identical or similar investments in markets that are not active, inputs other than quoted prices that are observable for the investment, and inputs that are derived principally from or corroborated by observable market data by correlation or other means. Level III—Pricing inputs are unobservable and include situations where there is little, if any, market activity for the investment. The inputs used in determination of fair value require significant judgment and estimation. In some cases, the inputs used to measure fair value might fall within different levels of the fair value hierarchy. In such cases, the level in the fair value hierarchy within which the investment is categorized in its entirety is determined based on the lowest level input that is significant to the investment. Assessing the significance of a particular input to the valuation of an investment in its entirety requires judgment and considers factors specific to the investment. The categorization of an investment within the hierarchy is based upon the pricing transparency of the investment and does not necessarily correspond to the perceived risk of that investment. | Fair Value Measurement ASC 820 establishes a fair value hierarchy that prioritizes and ranks the level of observability of inputs used to measure investments at fair value. The observability of inputs is impacted by a number of factors, including the type of investment, characteristics specific to the investment, market conditions and other factors. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level I measurements) and the lowest priority to unobservable inputs (Level III measurements). Investments with readily available quoted prices or for which fair value can be measured from quoted prices in active markets will typically have a higher degree of input observability and a lesser degree of judgment applied in determining fair value. The three levels of the fair value hierarchy under ASC 820 are as follows: Level I—Quoted prices (unadjusted) in active markets for identical investments at the measurement date are used. Level II—Pricing inputs are other than quoted prices included within Level I that are observable for the investment, either directly or indirectly. Level II pricing inputs include quoted prices for similar investments in active markets, quoted prices for identical or similar investments in markets that are not active, inputs other than quoted prices that are observable for the investment, and inputs that are derived principally from or corroborated by observable market data by correlation or other means. Level III—Pricing inputs are unobservable and include situations where there is little, if any, market activity for the investment. The inputs used in determination of fair value require significant judgment and estimation. In some cases, the inputs used to measure fair value might fall within different levels of the fair value hierarchy. In such cases, the level in the fair value hierarchy within which the investment is categorized in its entirety is determined based on the lowest level input that is significant to the investment. Assessing the significance of a particular input to the valuation of an investment in its entirety requires judgment and considers factors specific to the investment. The categorization of an investment within the hierarchy is based upon the pricing transparency of the investment and does not necessarily correspond to the perceived risk of that investment.
Derivative Liabilities | Derivative Liabilities The Company evaluated the Warrants (as defined below in Note 5) and Private Placement Warrants (as defined below in Note 5) (collectively, “Warrant Securities”), and the Forward Purchase Agreements and Additional Forward Purchase Agreements (as defined below in Note 5, and collectively, “FPAs”) in accordance with ASC 815-40, “Derivatives and Hedging — Contracts in Entity’s Own Equity”, and concluded that the Warrant Securities and FPAs could not be accounted for as components of equity. As the Warrant Securities and FPAs meet the definition of a derivative in accordance with ASC 815, the Warrant Securities are recorded as derivative liabilities on the Balance Sheet and measured at fair value at inception (the Close Date) and remeasured at each reporting date in accordance with ASC 820, “Fair Value Measurement”, with changes in fair value recognized in the Statement of Operations in the period of change. Key inputs ranges of inputs for the valuation models used to calculate the fair value of the Warrant Securities and FPAs were as follows,
|  | June 30, 2021 |  |  | December 31, 2020 |
Implied volatility |  |  | 45% |  |  |  | 22% |
Risk-free interest rate |  |  | 0.05% |  |  |  | 0.10% - 0.43% |
Instrument exercise price for one Class A ordinary share |  | $ | 11.50 |  |  | $ | 11.50 |
Expected term |  |  | 0.08 years |  |  |  | 5.5 years |
| Derivative Liabilities The Company evaluated the Warrants (as defined below in Note 4) and Private Placement Warrants (as defined below in Note 5) (collectively, “Warrant Securities”), and the Forward Purchase Agreements and Additional Forward Purchase Agreements (as defined below in Note 5, and collectively, “FPAs”) in accordance with ASC 815-40, “Derivatives and Hedging — Contracts in Entity’s Own Equity”, and concluded that the Warrant Securities and FPAs could not be accounted for as components of equity. As the Warrant Securities and FPAs meet the definition of a derivative in accordance with ASC 815, the Warrant Securities and FPAs are recorded as derivative liabilities on the Balance Sheet and measured at fair value at inception (the Close Date) and remeasured at each reporting date in accordance with ASC 820, “Fair Value Measurement”, with changes in fair value recognized in the Statement of Operations in the period of change. See Note 3. Key ranges of inputs for the valuation models used to calculate the fair value of the Warrant Securities and FPAs were as follows,
|  | Inception (October 2020) |  | December 31, 2020
Implied volatility |  | 20 % - 25 % |  | 22%
Risk-free interest rate |  | 0.13 % - 0.40 % |  | 0.10% - 0.43%
Instrument exercise price for one Class A ordinary share |  | $ 11.50 |  | $ 11.50
Expected term |  | 5.5 years |  | 5.5 years
Redeemable Ordinary Shares | Redeemable Ordinary Shares All of the 45,000,000 Class A ordinary shares sold as part of the Units in the Public Offering contain a redemption feature which allows for the redemption of such public shares in connection with the Company’s liquidation, if there is a stockholder vote or tender offer in connection with the Business Combination and in connection with certain amendments to the Company’s second amended and restated certificate of incorporation. In accordance with SEC and its staff’s guidance on redeemable equity instruments, which has been codified in ASC 480-10-S99, redemption provisions not solely within the control of the Company require common stock subject to redemption to be classified outside of permanent equity. Ordinary liquidation events, which involve the redemption and liquidation of all of the entity’s equity instruments, are excluded from the provisions of ASC 480. The Company recognizes changes in redemption value immediately as they occur and adjusts the carrying value of redeemable common stock to equal the redemption value at the end of each reporting period. Increases or decreases in the carrying amount of redeemable common stock are affected by charges against additional paid-in capital and accumulated deficit. | Redeemable Ordinary Shares All of the 45,000,000 Class A ordinary shares sold as part of the Units in the Public Offering contain a redemption feature which allows for the redemption of such public shares in connection with the Company’s liquidation, if there is a stockholder vote or tender offer in connection with the Business Combination and in connection with certain amendments to the Company’s second amended and restated certificate of incorporation. In accordance with SEC and its staff’s guidance on redeemable equity instruments, which has been codified in ASC 480-10-S99, redemption provisions not solely within the control of the Company require common stock subject to redemption to be classified outside of permanent equity. Ordinary liquidation events, which involve the redemption and liquidation of all of the entity’s equity instruments, are excluded from the provisions of ASC 480. The Company had previously classified 2,046,599 shares in permanent equity given its charter provides that currently, the Company will not redeem its public shares in an amount that would cause its net tangible assets to be less than $5,000,001. The Company restated its financial statements to classify all Class A ordinary as redeemable as the threshold in its charter does not change the nature of the underlying shares as redeemable. See Note 3. The Company recognizes changes in redemption value immediately as they occur and adjusts the carrying value of redeemable common stock to equal the redemption value at the end of each reporting period. Increases or decreases in the carrying amount of redeemable common stock are affected by charges against additional paid-in capital and accumulated deficit.
Use of Estimates | Use of Estimates The preparation of financial statements in conformity with US GAAP requires the Company’s management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. | Use of Estimates The preparation of financial statements in conformity with U.S. GAAP requires the Company’s management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.​​​​​​​
Offering Costs | Offering Costs The Company complies with the requirements of ASC 340-10-S99-1 and SEC Staff Accounting Bulletin Topic 5A “Expenses of Offering”. The Company incurred offering costs of $1,094,456 allocated to the issuance and sale of Class A ordinary shares in connection with the Public Offering. These costs, together with the portions of the underwriter discount and Deferred Discount (as defined below) allocated to the issuance and sale of Class A ordinary shares included in the Units, totaling $25,091,705, were charged to temporary equity upon completion of the Public Offering. Offering costs of $752,751 attributed to the issuance and sale of the warrants included in the Units were expensed at the Close Date. | Offering Costs The Company complies with the requirements of ASC 340-10-S99-1 and SEC Staff Accounting Bulletin Topic 5A “Expenses of Offering”. The Company incurred offering costs of $1,094,456 allocated to the issuance and sale of Class A ordinary shares in connection with the Public Offering. These costs, together with the portions of the underwriter discount and Deferred Discount (as defined below) allocated to the issuance and sale of Class A ordinary shares included in the Units, totaling $25,091,705, were charged to temporary equity upon completion of the Public Offering. Offering costs of $752,751 attributed to the issuance and sale of the warrants included in the Units were expensed at the Close Date.
Stock Compensation Expense | Stock Compensation Expense The Company accounts for stock-based compensation expense in accordance with ASC 718, Compensation – Stock Compensation (“ASC 718”). Under ASC 718, stock-based compensation associated with equity-classified awards is measured at fair value upon the grant date and recognized over the requisite service period. To the extent a stock-based award is subject to a performance condition, the amount of expense recorded in a given period, if any, reflects an assessment of the probability of achieving such performance condition, with compensation recognized once the event is deemed probable to occur. The fair value of equity awards has been estimated using a market approach. Forfeitures are recognized as incurred. Compensation expense related to the Founders Shares is recognized only when the performance condition is probable of occurrence. As of June 30, 2021, the Company determined that a Business Combination is not considered probable, and, therefore, no stock-based compensation expense has been recognized. Stock-based compensation would be recognized at the date a Business Combination is considered probable (i.e., upon consummation of a Business Combination) in an amount equal to the number of Founders Shares that ultimately vest multiplied times the latest modification date fair value per share (unless subsequently modified) less the amount initially received for the purchase of the Founder Shares. | Stock-Based Compensation Expense The Company accounts for stock-based compensation expense in accordance with ASC 718, Compensation – Stock Compensation (“ASC 718”). Under ASC 718, stock-based compensation associated with equity-classified awards is measured at fair value upon the grant date and recognized over the requisite service period. To the extent a stock-based award is subject to a performance condition, the amount of expense recorded in a given period, if any, reflects an assessment of the probability of achieving such performance condition, with compensation recognized once the event is deemed probable to occur. The fair value of equity awards has been estimated using a market approach. Forfeitures are recognized as incurred. Compensation expense related to the Founders Shares (as defined below in Note 6) is recognized only when the performance condition is probable of occurrence. As of December 31, 2020, the Company determined that a Business Combination is not considered probable, and, therefore, no stock-based compensation expense has been recognized. Stock-based compensation would be recognized at the date a Business Combination is considered probable (i.e., upon consummation of a Business Combination) in an amount equal to the number of Founders Shares that ultimately vest multiplied times the latest modification date fair value per share (unless subsequently modified) less the amount initially received for the purchase of the Founder Shares.
Net (Loss) Income per Ordinary Share | Net (Loss) Income per Ordinary Share The Company complies with accounting and disclosure requirements of FASB ASC Topic 260, Earnings Per Share. Net (loss) income per ordinary share is computed by dividing net (loss) income by the weighted average number of ordinary shares outstanding during the period as calculated using the treasury stock method. At June 30, 2021, the Company had outstanding warrants and forward purchase contracts to purchase up to 36,333,333 Class A ordinary shares. The weighted average of these shares was excluded from the calculation of diluted net (loss) income per ordinary share since the exercise of the warrants and forward purchase contracts is contingent upon the occurrence of future events. At June 30, 2020, the Company did not have any dilutive securities or other contracts that could, potentially, be exercised or converted into ordinary shares and then share in the earnings of the Company under the treasury stock method. As a result, diluted net (loss) income per ordinary share is the same as basic net (loss) income per ordinary share for the three and six months ended June 30, 2021 and 2020, respectively. As of June 30, 2021, the Company has two classes of ordinary shares, Class A ordinary shares and Class F ordinary shares. As of June 30, 2020, the Company only had Class F ordinary shares. For the three and months ended June 30, 2021, earnings and losses are shared pro rata between the two classes of ordinary shares as follows,​​​​​​​
|  | For the Three Months Ended June 30, 2021 |  |  | For the Six Months Ended June 30, 2021 |
|  | Class A |  |  | Class F |  |  | Class A |  |  | Class F |
Basic and diluted net (loss) income per ordinary share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Allocation of net (loss) income |  | $ | (7,348,914 | ) |  | $ | (1,837,228 | ) |  | $ | 15,316,014 |  |  | $ | 3,829,003 |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average ordinary shares outstanding: |  |  | 45,000,000 |  |  |  | 11,250,000 |  |  |  | 45,000,000 |  |  |  | 11,250,000 |
Basic and diluted net (loss) income per ordinary share |  | $ | (0.16 | ) |  | $ | (0.16 | ) |  | $ | 0.34 |  |  | $ | 0.34 |
| Net Loss per Ordinary Share The Company complies with accounting and disclosure requirements of FASB ASC Topic 260, Earnings Per Share. Net loss per ordinary share is computed by dividing net loss by the weighted average number of ordinary shares outstanding during the period as calculated using the treasury stock method. At December 31, 2020, the Company had outstanding warrants and forward purchase contracts to purchase up to 36,333,333 Class A ordinary shares. The weighted average of these shares was excluded from the calculation of diluted net income per ordinary share since the exercise of the warrants and forward purchase contracts is contingent upon the occurrence of future events. At December 31, 2020 and 2019, the Company did no t have any dilutive securities or other contracts that could, potentially, be exercised or converted into ordinary shares and then share in the earnings of the Company under the treasury stock method. As a result, diluted net loss per ordinary share is the same as basic net loss per ordinary share for the years ended December 31, 2020 and 2019, respectively. As of December 31, 2020, the Company has two classes of ordinary shares, Class A ordinary shares and Class F ordinary shares. As of December 31, 2019, the Company only had Class F ordinary shares. For the year ended December 31, 2020, earnings and losses are shared pro rata between the two classes of ordinary shares as follows,
|  | For the Year Ended December 31, 2020 (As Restated) |
|  | Class A |  |  | Class F |
Basic and diluted net loss per ordinary share: |  |  |  |  |  |  |  |
Numerator: |  |  |  |  |  |  |  |
Allocation of net loss |  | $ | (26,653,427 | ) |  | $ | (6,663,357 | )
Denominator: |  |  |  |  |  |  |  |
Weighted average ordinary shares outstanding: |  |  | 10,327,869 |  |  |  | 18,050,376 |
Basic and diluted net loss per ordinary share |  | $ | (2.58 | ) |  | $ | (0.37 | )
Income Taxes | Income Taxes Under ASC 740, “Income Taxes,” deferred tax assets and liabilities are recognized for the future tax consequences attributable to temporary differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period of the enactment date. Valuation allowances are established when it is more likely than not that some or all of the deferred tax assets will not be realized. ASC 740 prescribes a recognition threshold and a measurement attribute for the financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. For those benefits to be recognized, a tax position must be more-likely-than-not to be sustained upon examination by taxing authorities. The Company recognizes accrued interest and penalties related to unrecognized tax benefits as income tax expense. No amounts were accrued for the payment of interest and penalties at June 30, 2021. The Company is currently not aware of any issues under review that could result in significant payments, accruals or material deviation from its position. There is currently no taxation imposed on income by the Government of the Cayman Islands. In accordance with federal income tax regulations, income taxes are not levied on the Company, but rather on the individual owners. United States (“U.S.”) taxation would occur on the individual owners if certain tax elections are made by U.S. owners and the Company were treated as a passive foreign investment company. Additionally, U.S. taxation could occur to the Company itself if the Company is engaged in a U.S. trade or business. The Company is not expected to be treated as engaged in a U.S. trade or business at this time. | Income Taxes Under ASC 740, “Income Taxes,” deferred tax assets and liabilities are recognized for the future tax consequences attributable to temporary differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period of the enactment date. Valuation allowances are established when it is more likely than not that some or all of the deferred tax assets will not be realized. ASC 740 prescribes a recognition threshold and a measurement attribute for the financial statement recognition and measurement of tax positions taken or expected to be taken in a tax return. For those benefits to be recognized, a tax position must be more-likely-than-not to be sustained upon examination by taxing authorities. The Company recognizes accrued interest and penalties related to unrecognized tax benefits as income tax expense. No amounts were accrued for the payment of interest and penalties at December 31, 2020. The Company is currently not aware of any issues under review that could result in significant payments, accruals or material deviation from its position. There is currently no taxation imposed on income by the Government of the Cayman Islands. In accordance with federal income tax regulations, income taxes are not levied on the Company, but rather on the individual owners. United States (“U.S.”) taxation would occur on the individual owners if certain tax elections are made by U.S. owners and the Company were treated as a passive foreign investment company. Additionally, U.S. taxation could occur to the Company itself if the Company is engaged in a U.S. trade or business. The Company is not expected to be treated as engaged in a U.S. trade or business at this time.
Recent Accounting Pronouncements | Recent Accounting Pronouncements Management does not believe that any recently issued, but not yet effective, accounting pronouncements, if currently adopted, would have a material effect on the Company’s financial statements. | Recent Accounting Pronouncements Management does not believe that any recently issued, but not yet effective, accounting pronouncements, if currently adopted, would have a material effect on the Company’s financial statements.

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