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Insurance Operations - Additional Information (Detail) (USD $)
 3 Months Ended 12 Months Ended 12 Months Ended
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Oct. 04, 2013
Extraordinary Dividend [Member]
Florida Office of Insurance Regulation [Member]
Mar. 31, 2012
Previous Accounting Guidance [Member]
Mar. 31, 2012
Adjustments for New Accounting Pronouncement [Member]
Dec. 31, 2013
American Platinum Property and Casualty Insurance Company [Member]
State
Dec. 31, 2013
Universal Property and Casualty Insurance Company [Member]
State
Dec. 31, 2013
UPCIC and APPCIC [Member]
Dec. 31, 2012
UPCIC and APPCIC [Member]
Dec. 31, 2011
UPCIC and APPCIC [Member]
Statutory Accounting Practices [Line Items]                        
Number of states in which home owners insurance operates               1 7      
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                    
Deferred policy acquisition costs, net           9,000,000 5,600,000          
Incurred loss and LAE prior years   (2,945,000) 6,729,000 11,471,000                
Maximum dividend without prior approval is limited, Percent of statutory unassigned capital surplus   10.00%                    
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.                    
Dividend paid to UIHCF                   0 0 0
Minimum capitalization rate                   10.00%    
Capitalization maintained by the company                   5,000,000    
Minimum capital required                   Greater of ten percent of the insurer's total liabilities or $5.0 million    
Net direct premiums   0.90%                    
Insurance entities participation assessment total   6,300,000                    
Net direct premiums generated in Florida   704,800,000                    
Administrative Fine         $ 1,300,000