Organization, Consolidation and Presentation Organization, Consolidation and Presentation (Details)	Dec. 31, 2012 states
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of Future States in which may Entity Operate	6

Number of Future States in which may Entity Operate

No definition available.

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Namespace Prefix:	uihc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant