Document & Entity Information Document - USD ($)	12 Months Ended
	Dec. 31, 2017	Mar. 28, 2018	Jun. 30, 2017
Document and Entity Information [Abstract]
Entity Public Float			$ 373,372,597
Document type	10-K
Amendment flag	false
Document period end date	Dec. 31, 2017
Document fiscal period focus	FY
Document fiscal year focus	2017
Trading symbol	UIHC
Registrant name	United Insurance Holdings Corp.
Central index key	0001401521
Filer category	Accelerated Filer
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Common stock outstanding		42,745,937
Current Fiscal Year End Date	--12-31