Summary of Significant Accounting Policies - Goodwill and Other Intangible Assets (Details)	12 Months Ended
Dec. 31, 2024
Accounting Policies [Abstract]
Television broadcast license, general period granted	8 years

Television Broadcast License, General Period Granted

No definition available.

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Namespace Prefix:	vate_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration