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Shareholder's Deficit (Q1) (Details) - $ / shares | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Shareholder's Deficit (Details) [Line Items] |  |  |
Preference stock, shares authorized | 5,000,000 | 5,000,000 | 5,000,000
Preference stock, par value (in Dollars per share) | $ 0.0001 | $ 0.0001 | $ 0.0001
Sum of the ordinary shares issued and outstanding | 20.00% | 20.00% |
Class A Ordinary Shares [Member] |  |  |
Shareholder's Deficit (Details) [Line Items] |  |  |
Ordinary shares, shares authorized | 500,000,000 | 500,000,000 | 500,000,000
Ordinary shares, par value (in Dollars per share) | $ 0.0001 | $ 0.0001 | $ 0.0001
Ordinary shares subject to possible redemption | 34,500,000 | 34,500,000 |
Ordinary shares issued or outstanding |  |  |
Class B Ordinary Shares [Member] |  |  |
Shareholder's Deficit (Details) [Line Items] |  |  |
Ordinary shares, shares authorized | 50,000,000 | 50,000,000 | 50,000,000
Ordinary shares, par value (in Dollars per share) | $ 0.0001 | $ 0.0001 | $ 0.0001
Ordinary shares issued or outstanding | 8,625,000 | 8,625,000 |

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