Consolidated Statements of Comprehensive Income - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Consolidated Statements of Comprehensive Income [Abstract]      
Net income $ 17,431 $ 52,032 $ 65,306
Other comprehensive income (loss), net of tax:      
Net unrealized change in fair value of available for sale securities, net of taxes (107) (38,989) 35,883
Defined benefit pension plan:      
Actuarial gain (loss), net 18,232 16,105 (18,967)
Prior service credit, net (1,353) (269) (269)
Total other comprehensive income (loss), net of tax 16,772 (23,153) 16,647
Comprehensive income 34,203 28,879 81,953
Comprehensive loss attributable to non-controlling interest 7 89 354
Comprehensive income attributable to Triple-S Management Corporation $ 34,210 $ 28,968 $ 82,307