XML 49 R38.htm IDEA: XBRL DOCUMENT v3.4.0.3
Investments Available-For-Sale Securities (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]    
Cost $ 135,790 $ 147,753
Gross unrealized gains 689 451
Gross unrealized losses (4,499) (6,456)
Available-for-sale equity securities 131,980 141,748
Equity Mutual Funds [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost 32,459 32,357
Gross unrealized gains 566 342
Gross unrealized losses (1,996) (2,416)
Available-for-sale equity securities 31,029 30,283
Fixed-Income Mutual Funds [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Cost 103,331 115,396
Gross unrealized gains 123 109
Gross unrealized losses (2,503) (4,040)
Available-for-sale equity securities $ 100,951 $ 111,465