Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2016
Feb. 28, 2017
Jun. 30, 2016
Entity Information [Line Items]      
Entity Registrant Name TRIPLE-S MANAGEMENT CORP    
Entity Central Index Key 0001171662    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Accelerated Filer    
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus FY    
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 31, 2016    
Common Class A [Member]      
Entity Information [Line Items]      
Entity Public Float     $ 950,968
Entity Common Stock, Shares Outstanding   950,968  
Common Class B [Member]      
Entity Information [Line Items]      
Entity Public Float     $ 577,239,532
Entity Common Stock, Shares Outstanding   23,320,899