Segment Information - Schedule of Financial Performance of Reportable Segments (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Segment Reporting Information [Line Items]        
Insurance revenues $ 72,021 $ 73,023 $ 214,774 $ 225,748
Net investment income 40,608 41,961 122,650 127,249
Benefits and expenses 104,059 108,643 315,262 329,681
Net income (loss) 7,790 7,110 21,749 23,149
Individual Segment
        
Segment Reporting Information [Line Items]        
Insurance revenues 38,205 41,825 115,196 132,877
Net investment income 37,697 38,831 113,753 118,001
Benefits and expenses 69,309 75,774 209,636 231,532
Net income (loss) 6,519 6,030 19,672 20,424
Group Segment
        
Segment Reporting Information [Line Items]        
Insurance revenues 14,735 13,231 43,362 38,782
Net investment income 132 301 392 550
Benefits and expenses 14,461 13,233 43,486 38,257
Net income (loss) 296 216 273 766
Old American
        
Segment Reporting Information [Line Items]        
Insurance revenues 19,182 18,067 56,520 54,386
Net investment income 2,779 2,829 8,505 8,698
Benefits and expenses 20,390 19,736 62,444 60,189
Net income (loss) 975 864 1,804 1,959
Intersegment Eliminations
        
Segment Reporting Information [Line Items]        
Insurance revenues (101) [1] (100) [1] (304) [1] (297) [1]
Net investment income 0 [1] 0 [1] 0 [1] 0 [1]
Benefits and expenses (101) [1] (100) [1] (304) [1] (297) [1]
Net income (loss) $ 0 [1] $ 0 [1] $ 0 [1] $ 0 [1]
[1] Elimination entries to remove intercompany transactions for life and accident and health insurance that the Company purchases for its employees and agents were as follows: insurance revenues from the Group Insurance segment and operating expenses from the Individual Insurance segment to arrive at Consolidated Statements of Comprehensive Income.