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Document and Entity Information
Mar. 26, 2021
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 26, 2021
Entity Registrant Name HC2 HOLDINGS, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 001-35210
Entity Tax Identification Number 54-1708481
Entity Address, Address Line One 450 Park Avenue
Entity Address, Address Line Two 29th Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10022
City Area Code 212
Local Phone Number 235-2690
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001006837
Title of 12(b) Security Common Stock, par value $0.001 per share
Trading Symbol HCHC
Security Exchange Name NYSE