v3.25.2
Cover Page - shares
6 Months Ended
Jun. 30, 2025
Jul. 28, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-33251  
Entity Registrant Name UNIVERSAL INSURANCE HOLDINGS, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 65-0231984  
Entity Address, Address Line One 1110 W. Commercial Blvd.  
Entity Address, City or Town Fort Lauderdale  
Entity Address, State or Province FL  
Entity Address, Postal Zip Code 33309  
City Area Code 954  
Local Phone Number 958-1200  
Title of 12(b) Security Common Stock, $0.01 Par Value  
Trading Symbol UVE  
Security Exchange Name NYSE  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding (in shares)   28,318,558
Entity Central Index Key 0000891166  
Current Fiscal Year End Date --12-31  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Amendment Flag false