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Significant Accounting Policies (Q3) (Tables) | 9 Months Ended
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Sep. 30, 2021
Significant Accounting Policies [Abstract] |
Schedule of condensed balance sheets are reconciled |
Gross proceeds | ​ | ​ | $345,000,000
Less: | ​ | ​ |
Proceeds allocated to public warrants | ​ | ​ | (11,960,000)
Issuance costs related to Class A ordinary shares | ​ | ​ | (19,450,398)
Plus: | ​ | ​ |
Accretion of carrying value to redemption value | ​ | ​ | 31,410,398
Contingently redeemable Class A ordinary shares | ​ | ​ | $345,000,000
Schedule of diluted loss per ordinary share |
| ​ | ​ | For the Three Months ended September 30, 2021 | ​ | ​ | For the Nine Months ended September 30, 2021
Ordinary shares subject to possible redemption | ​ | ​ |  | ​ | ​ |
Numerator: | ​ | ​ |  | ​ | ​ |
Net income allocable to Class A ordinary shares subject to possible redemption | ​ | ​ | $ 6,205,927 | ​ | ​ | $ 3,803,233
Denominator: | ​ | ​ |  | ​ | ​ |
Weighted Average Redeemable Class A Ordinary shares, Basic and Diluted | ​ | ​ | 34,500,000 | ​ | ​ | 24,895,604
Basic and Diluted net income per share, Redeemable Class A Ordinary shares | ​ | ​ | 0.18 | ​ | ​ | $ 0.15
Non-Redeemable Ordinary shares | ​ | ​ |  | ​ | ​ |
Numerator: | ​ | ​ |  | ​ | ​ |
Net income allocable to Class B ordinary shares not subject to redemption | ​ | ​ | $ 1,551,482 | ​ | ​ | $ 1,218,711
Denominator: | ​ | ​ |  | ​ | ​ |
Weighted Average Non-Redeemable Ordinary shares, Basic and Diluted | ​ | ​ | 8,625,000 | ​ | ​ | 7,977,564
Basic and diluted net income per share, ordinary shares | ​ | ​ | 0.18 | ​ | ​ | $ 0.15

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- Definition Tabular disclosure of the effect of income (loss) on an entity's diluted earnings per share. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=125511455&loc=d3e1278-109256 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 55 -Paragraph 52 -URI http://asc.fasb.org/extlink&oid=125512782&loc=d3e4984-109258 + Details
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