Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

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- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Principles of Consolidation (FY) (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
	Mar. 11, 2022	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Cash consideration paid to acquire business				$ 0	$ 1,850
Gain from sale of consolidated entity		$ 0	$ 387	387	$ 0
Gulf Coast Aviation, Inc.
Business Acquisition [Line Items]
Cash consideration paid to acquire business	$ 1,850
Disposal Group, Disposed of by Sale, Not Discontinued Operations \| Fly Dreams, LLC
Business Acquisition [Line Items]
Selling price			550	550
Gain from sale of consolidated entity			$ 387	$ 387