v3.26.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - TopBuild Corp. 401(k) Plan - USD ($)
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES    
Accumulated revenue credit account $ 61,509 $ 3,020
Amount credited to other income 90,372  
Amount credited to dividend 1,447  
Amount used to pay plan expenses $ 33,330