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Related Party Transactions, Related Party Loans (Q3) (Details) - USD ($)	9 Months Ended	12 Months Ended
	Sep. 30, 2023	Dec. 31, 2022	May 09, 2023	Dec. 31, 2021
Related Party Loans [Abstract]
Promissory note - related party	$ 1,025,000	$ 0
Sponsor, Affiliate of Sponsor, or Certain Company Officers and Directors [Member] | Working Capital Loans [Member]
Related Party Loans [Abstract]
Maximum amount of convertible loans	$ 1,500,000	$ 1,500,000
Conversion price (in dollars per share)	$ 1	$ 1
Promissory note - related party		$ 0		$ 0
Promissory Note [Member]
Related Party Loans [Abstract]
Promissory note - related party	$ 1,025,000	$ 0
Promissory Note [Member] | Maximum [Member]
Related Party Loans [Abstract]
Principal amount	$ 1,500,000		$ 1,500,000
Sponsor [Member]
Related Party Loans [Abstract]
Principal amount			$ 487,500

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Maximum amount of borrowings available through Working Capital Loans that may be convertible into warrants of the post Business Combination entity at the lenders' discretion.

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Face (par) amount of debt instrument at time of issuance.

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Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

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