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Founder Shares (FY) (Details) - USD ($) |  | 1 Months Ended | 9 Months Ended
--- | --- | --- | ---
Jan. 12, 2021 | Dec. 31, 2020 | Sep. 30, 2021
Founder Shares [Line Items] |  |  |
Share price (in dollars per share) |  |  | $ 10.00
Aggregate principal amount | $ 300,000 |  |
Office space and administrative services |  | $ 10,000 | $ 10,000
Working capital loans | $ 1,500,000 |  |
Business combination, price per warrant (in dollars per share) | $ 1.50 |  |
Class A Ordinary Shares [Member] | Founder Shares [Member] |  |  |
Founder Shares [Line Items] |  |  |
Issuance of shares (in shares) | 7,187,500 |  |
Purchase price | $ 25,000 |  |
Class A Ordinary Shares [Member] | Founder Shares [Member] | Maximum [Member] |  |  |
Founder Shares [Line Items] |  |  |
Number of shares subject to forfeiture (in shares) | 937,500 |  |
Ownership interest percentage | 20.00% |  |
Class A Ordinary Shares [Member] | Sponsor [Member] | Founder Shares [Member] |  |  |
Founder Shares [Line Items] |  |  |
Period the Founder cannot sell shares after completion of a business combination. | 1 year |  |
Number of consecutive trading days | 20 days |  |
Number of trading days | 30 days |  |
Number of days after business combination before sale or transfer of shares | 150 days |  |
Class A Ordinary Shares [Member] | Sponsor [Member] | Founder Shares [Member] | Minimum [Member] |  |  |
Founder Shares [Line Items] |  |  |
Share price (in dollars per share) | $ 12.00 |  |

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