XML 100 R58.htm IDEA: XBRL DOCUMENT
v3.23.3

Subsequent Events (Q3) (Details) |  |  | 1 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Oct. 31, 2023 USD ($) | Oct. 16, 2023 Shareholder | Oct. 31, 2023 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($)
Subsequent Events [Abstract] |  |  |  |  |
Trust extension funding |  |  |  | $ 975,000 | $ 0
Subsequent Event [Member] |  |  |  |  |
Subsequent Events [Abstract] |  |  |  |  |
Minimum number of public holders required for continued listing | Shareholder |  | 400 |  |  |
Notice period for minimum public holders rule |  | 45 days |  |  |
Additional cash deposited in Trust Account | $ 162,500 |  | $ 162,500 |  |
Trust extension funding | $ 1,137,500 |  | $ 1,137,500 |  |

X
- Definition Additional amount of cash outflow for purchase of marketable security. + References No definition available. + Details
Name: | fiac_AdditionalPaymentsToAcquireMarketableSecurities
Namespace Prefix: | fiac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The minimum number of public holders required for continued listing on the Nasdaq Global Market. + References No definition available. + Details
Name: | fiac_MinimumNumberOfPublicHoldersRequiredForContinuedListing
Namespace Prefix: | fiac_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Period from the date of the Notice to submit a plan to regain compliance with the Minimum Public Holders Rule, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | fiac_NoticePeriodForMinimumPublicHoldersRule
Namespace Prefix: | fiac_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | fiac_SubsequentEventAbstract
Namespace Prefix: | fiac_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cash outflow for trust extension funding. + References No definition available. + Details
Name: | fiac_TrustExtensionFunding
Namespace Prefix: | fiac_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |