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Private Placement Warrants (Q3) (Details) | 9 Months Ended
--- | ---
Sep. 30, 2021 USD ($) $ / shares shares
Private Placement Warrant [Member] |
Private Placement Warrants (Details) [Line Items] |
Price per share (in dollars per share) | $ / shares | $ 1.50
Aggregate price | $ 8,900,000
Initial fair value of private warrants | 6,230,000
Excess of initial fair value of the warrants | $ 2,670,000
Initial Public Offering [Member] | Private Placement Warrant [Member] |
Private Placement Warrants (Details) [Line Items] |
Aggregate of shares (in shares) | shares | 5,933,333
Class A Ordinary Shares [Member] |
Private Placement Warrants (Details) [Line Items] |
Exercise price per share (in dollars per share) | $ / shares | $ 11.50

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