XML 38 R32.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Nature of Operations and Basis of Presentation (Details) | Mar. 31, 2013 State
--- | ---
Nature of Operations and Basis of Presentation (Textual) [Abstract] |
Number of states | 7

X
- Details
Name: | uve_NatureOfOperationsAndBasisOfPresentationTextualAbstract
Namespace Prefix: | uve_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of states for offering primary product. + References No definition available. + Details
Name: | uve_NumberOfStatesForOfferingPrimaryProduct
Namespace Prefix: | uve_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant