Schedule II - Condensed Financial Information of Triple-S Management Corporation, Balance Sheets (Details) - USD ($)
$ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Assets [Abstract] |
|
|
|
|
| Cash and cash equivalents |
$ 103,428
|
$ 197,818
|
$ 110,037
|
$ 74,356
|
| Securities available for sale, at fair value [Abstract] |
|
|
|
|
| Equity securities |
270,349
|
197,071
|
|
|
| Deferred tax assets |
57,768
|
52,361
|
|
|
| Other assets |
51,493
|
41,776
|
|
|
| Total assets |
2,218,999
|
2,206,145
|
2,145,736
|
|
| Liabilities [Abstract] |
|
|
|
|
| Long-term borrowings |
35,085
|
36,827
|
|
|
| Liability for pension benefits |
30,892
|
62,945
|
|
|
| Total liabilities |
1,356,513
|
1,359,289
|
|
|
| Stockholders' equity [Abstract] |
|
|
|
|
| Additional paid-in-capital |
65,592
|
83,438
|
|
|
| Retained earnings |
730,904
|
713,466
|
|
|
| Accumulated other comprehensive income, net |
42,395
|
25,623
|
|
|
| Total Triple-S Management Corporation stockholders' equity |
863,163
|
847,526
|
|
|
| Total liabilities and stockholders' equity |
2,218,999
|
2,206,145
|
|
|
| Securities available for sale, equity securities, amortized cost |
240,699
|
169,593
|
|
|
| Class A Common Stock [Member] |
|
|
|
|
| Stockholders' equity [Abstract] |
|
|
|
|
| Common stock |
951
|
951
|
|
|
| Class B Common Stock [Member] |
|
|
|
|
| Stockholders' equity [Abstract] |
|
|
|
|
| Common stock |
23,321
|
24,048
|
|
|
| Parent Company [Member] |
|
|
|
|
| Assets [Abstract] |
|
|
|
|
| Cash and cash equivalents |
14,153
|
12,304
|
$ 16,631
|
$ 235
|
| Securities available for sale, at fair value [Abstract] |
|
|
|
|
| Equity securities |
2,880
|
0
|
|
|
| Investment in subsidiaries |
866,010
|
866,712
|
|
|
| Notes receivable and accrued interest from subsidiaries |
47,153
|
48,858
|
|
|
| Due from subsidiaries |
5,255
|
3,730
|
|
|
| Deferred tax assets |
14,976
|
26,767
|
|
|
| Other assets |
29,050
|
28,138
|
|
|
| Total assets |
979,477
|
986,509
|
|
|
| Liabilities [Abstract] |
|
|
|
|
| Notes payable and accrued interest to subsidiary |
16,475
|
15,720
|
|
|
| Due to subsidiaries |
22,661
|
11,860
|
|
|
| Long-term borrowings |
35,085
|
36,827
|
|
|
| Liability for pension benefits |
30,892
|
62,945
|
|
|
| Other liabilities |
11,201
|
11,631
|
|
|
| Total liabilities |
116,314
|
138,983
|
|
|
| Stockholders' equity [Abstract] |
|
|
|
|
| Additional paid-in-capital |
65,592
|
83,438
|
|
|
| Retained earnings |
730,904
|
713,466
|
|
|
| Accumulated other comprehensive income, net |
42,395
|
25,623
|
|
|
| Total Triple-S Management Corporation stockholders' equity |
863,163
|
847,526
|
|
|
| Total liabilities and stockholders' equity |
979,477
|
986,509
|
|
|
| Securities available for sale, equity securities, amortized cost |
2,869
|
|
|
|
| Parent Company [Member] | Class A Common Stock [Member] |
|
|
|
|
| Stockholders' equity [Abstract] |
|
|
|
|
| Common stock |
951
|
951
|
|
|
| Parent Company [Member] | Class B Common Stock [Member] |
|
|
|
|
| Stockholders' equity [Abstract] |
|
|
|
|
| Common stock |
$ 23,321
|
$ 24,048
|
|
|