XML 33 R44.htm IDEA: XBRL DOCUMENT v3.2.0.727
Note 7 - Investments in Marketable Securities (Details) - Marketable Securities and Restricted Marketable Securities - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Restricted investments available for sale:    
Amortized Cost $ 165,719 $ 157,642
195,895 187,818
283,379 290,808
Equity Securities [Member]    
Investments available for sale:    
Marketable equity securities 30,176 30,176
Marketable equity securities 117,906 132,535
Restricted investments available for sale:    
117,906 132,535
Corporate Debt Securities [Member]    
Restricted investments available for sale:    
Amortized Cost 73,180 68,594
Fair Value 72,895 68,916
72,895 68,916
Commercial Mortgage Backed Securities [Member]    
Restricted investments available for sale:    
Amortized Cost 54,700 63,351
Fair Value 54,516 63,252
54,516 63,252
US Government Corporations and Agencies Securities [Member]    
Restricted investments available for sale:    
Amortized Cost 21,293 14,623
Fair Value 21,210 14,728
US States and Political Subdivisions Debt Securities [Member]    
Restricted investments available for sale:    
Amortized Cost 16,546 11,074
Fair Value 16,852 11,377
$ 16,852 $ 11,377