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Subsequent Events (Details Textual)	Oct. 28, 2012 Policies
FLORIDA [Member]
Subsequent Events (Textual) [Abstract]
Number of policies in force with wind coverage	541,224
GEORGIA [Member]
Subsequent Events (Textual) [Abstract]
Number of policies in force with wind coverage	1,060
NORTH CAROLINA [Member]
Subsequent Events (Textual) [Abstract]
Number of policies in force with wind coverage	15,391
SOUTH CAROLINA [Member]
Subsequent Events (Textual) [Abstract]
Number of policies in force with wind coverage	3,395
MASSACHUSETTS [Member]
Subsequent Events (Textual) [Abstract]
Number of policies in force with wind coverage	96
MARYLAND [Member]
Subsequent Events (Textual) [Abstract]
Number of policies in force with wind coverage	8

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- Definition

Number of policies in force with wind coverage.

+ References

No definition available.

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- Details

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Namespace Prefix:	uve_
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