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Related Party Transactions (Detail) - USD ($) |  |  |  | 4 Months Ended | 6 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 23, 2020 | Oct. 09, 2020 | Aug. 21, 2020 | Dec. 31, 2020 | Jun. 30, 2021 | Jul. 16, 2021 | Jun. 25, 2021 | May 11, 2021 | Mar. 17, 2021 | Mar. 11, 2021
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock shares subscribed but not issued |  |  |  |  |  | 24,000,000 |  |  |  |
Sale of stock issue price per share |  |  |  |  |  | $ 10.00 |  |  |  |
Common stock shares subscribed but not issued value |  |  |  |  |  | $ 240,000 |  |  |  |
Empower Ltd [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Founder shares forfeited | 937,500 |  |  |  |  |  |  |  |  |
Founder shares outstanding | 6,250,000 |  |  |  |  |  |  |  |  |
Warrants conversion, description |  |  |  | business combination, without interest, or, at the lender’s discretion, up to $2,000,000 of such Working Capital Loans may be convertible into warrants of the post-initial business combination entity at a price of $1.50 per warrant. The warrants would be identical to the private placement warrants. | business combination, without interest, or, at the lender’s discretion, up to $2,000,000 of such Working Capital Loans may be convertible into warrants of the post-initial business combination entity at a price of $1.50 per warrant. The warrants would be identical to the private placement warrants. |  |  |  |  |
Aggregate principal amount (in Dollars) |  |  | $ 300,000,000 |  |  |  |  |  |  |
Outstanding balance (in Dollars) |  | $ 150,295 |  |  |  |  |  |  |  |
Subscription Agreement [Member] | PIPE Investors [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock shares subscribed but not issued |  |  |  |  |  | 24,000,000 |  |  |  |
Sale of stock issue price per share |  |  |  |  |  | $ 10.00 |  |  |  |
Common stock shares subscribed but not issued value |  |  |  |  |  | $ 240,000,000 |  |  |  |
Subscription Agreement [Member] | PIPE Investors [Member] | Empower Ltd [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock shares subscribed but not issued |  |  |  |  | 24,000,000 |  |  |  |  |
Sale of stock issue price per share |  |  |  |  | $ 10.00 |  |  |  |  |
Common stock shares subscribed but not issued value |  |  |  |  | $ 240,000,000 |  |  |  |  |
Merger Agreement [Member] | Empower Ltd [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Proceeds from PIPE financing used for the debt paydown |  |  |  |  | 100,000,000.0 |  |  |  |  |
PIPE Subscription Agreement [Member] | New PIPE Investors [Member] | Empower Ltd [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock shares subscribed but not issued |  |  |  |  |  |  | 700,000 | 100,000 | 50,000 |
PIPE Subscription Agreement [Member] | Midocean Partners V LP [Member] | Domestication Common Stock [Member] | Empower Ltd [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Common stock shares subscribed but not issued |  |  |  |  |  |  |  |  |  | 1,950,000
Common stock shares subscribed but not issued value |  |  |  |  | $ 19,500,000 |  |  |  |  |
Sponsor [Member] | Empower Ltd [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Offering and formation costs (in Dollars) |  |  | $ 25,000 |  |  |  |  |  |  |
Sale of stock issue price per share |  |  |  | $ 10.00 |  |  |  |  |  |
Founder Shares [Member] | Empower Ltd [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase of shares |  |  | 7,187,500 |  |  |  |  |  |  |
Shareholder outstanding shares percentage |  |  | 20.00% |  |  |  |  |  |  |
Proposed stockholders, description |  |  | The sponsor has agreed, subject to limited exceptions, not to transfer, assign or sell any of its founder shares until the earlier to occur of: (A) one year after the completion of an initial business combination; and (B) subsequent to an initial business combination, (x) if the closing price of the Class A ordinary shares equals or exceeds $12.00 per share (as adjusted for share sub-divisions, share capitalizations, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days after a an initial business combination, or (y) the date on which the Company completes a liquidation, merger, share exchange or other similar transaction that results in all of the Company’s shareholders having the right to exchange their Class A ordinary shares for cash, securities or other property.​​​​​​​ |  | The sponsor has agreed, subject to limited exceptions, not to transfer, assign or sell any of its founder shares until the earlier to occur of: (A) one year after the completion of an initial business combination; and (B) subsequent to an initial business combination, (x) if the closing price of the Class A ordinary shares equals or exceeds $12.00 per share (as adjusted for share sub-divisions, share capitalizations, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing at least 150 days after a an initial business combination, or (y) the date on which the Company completes a liquidation, merger, share exchange or other similar transaction that results in all of the Company’s shareholders having the right to exchange their Class A ordinary shares for cash, securities or other property. |  |  |  |  |
Founder Shares [Member] | Over-Allotment Option [Member] | Empower Ltd [Member] |  |  |  |  |  |  |  |  |  |
Related Party Transactions (Details) [Line Items] |  |  |  |  |  |  |  |  |  |
Number of shares subject to forfeiture |  |  | 937,500 |  |  |  |  |  |  |

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