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Insurance Operations (Details Textual) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2011	Dec. 31, 2012
Insurance Operations (Textual) [Abstract]
Deferred policy acquisition costs, net	$ 17,377,000			$ 17,282,000
Insurance Operations (Additional Textual) [Abstract]
Deferred policy acquisition costs, net, difference percentage			13.00%
Deferred policy acquisition costs, pre-tax charge against earnings		1,600,000
Capitalized costs amortization period	12 months
Maximum dividend paid by UPCIC and APPCIC	The maximum dividend that may be paid by UPCIC and APPCIC to their immediate parent company, Universal Insurance Holding Company of Florida (“UIHCF”), without prior approval is limited to the lesser of statutory net income from operations of the preceding calendar year or 10.0% of statutory unassigned surplus as of the preceding year end.
Maximum dividend without prior approval is limited, Percent of statutory unassigned surplus	10.00%
Previous Accounting Guidance [Member]
Insurance Operations (Textual) [Abstract]
Deferred policy acquisition costs, net		9,000,000
Adjustments for New Accounting Pronouncement [Member]
Insurance Operations (Textual) [Abstract]
Deferred policy acquisition costs, net		5,600,000
American Platinum Property and Casualty Insurance Company [Member]
Insurance Operations (Textual) [Abstract]
Number of states in which home owners insurance operates	1
Universal Property and Casualty Insurance Company [Member]
Insurance Operations (Textual) [Abstract]
Number of states in which home owners insurance operates	7
UPCIC and APPCIC [Member]
Insurance Operations (Textual) [Abstract]
Dividend paid to UIHCF	0
Minimum capital required	greater of ten percent of the insurer’s total liabilities or $5.0 million
Minimum capitalization rate	10.00%
Capitalization maintained by the company	$ 5,000,000

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- Definition

This element represents the total consolidated (as applicable) capitalization of the entity which is comprised of its long-term debt and equity instruments. The table may be detailed by subsidiary (legal entity) and include information by type of debt or equity detailed by instrument.

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- Definition

Net amount of deferred policy acquisition costs capitalized on contracts remaining in force as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 60

-Paragraph 28, 29, 30, 31

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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-Publisher AICPA

-Name Statement of Position (SOP)

-Number 95-1

-Paragraph 19-23

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 16

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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Description of dividends paid, restrictions on dividend payments, statutory capital and surplus amounts, requirements and future requirements.

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capitalized costs amortization period.

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Dividend income from subsidiary.

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Minimum capitalization rate.

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Number of states in which home owners insurance operates.

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Percentage of maximum dividend as percentage of statutory unassigned capital surplus.

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