Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020
Income Statement [Abstract]
Gain (loss) on sale of subsidiary	$ 40.4	$ (39.3)

Disposal Group, Including Discontinued Operation, Gain (Loss) on Sale of Subsidiary

No definition available.

Name:	hchc_DisposalGroupIncludingDiscontinuedOperationGainLossOnSaleOfSubsidiary
Namespace Prefix:	hchc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration