XML 22 R50.htm IDEA: XBRL DOCUMENT v2.4.0.8
Note 9 - Fair Value Measurements (Details) - Summary of Fair Value Measurements by Level (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Note 9 - Fair Value Measurements (Details) - Summary of Fair Value Measurements by Level [Line Items]    
Cash and cash equivalents $ 75,758 $ 81,705
Restricted cash and cash equivalents 15,187 13,929
Available for sale securities 264,836 247,012
Total financial assets 355,781 342,646
Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]
    
Note 9 - Fair Value Measurements (Details) - Summary of Fair Value Measurements by Level [Line Items]    
Available for sale securities 117,618 105,009
Equity Securities [Member]
    
Note 9 - Fair Value Measurements (Details) - Summary of Fair Value Measurements by Level [Line Items]    
Available for sale securities 117,618 105,009
Corporate Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
    
Note 9 - Fair Value Measurements (Details) - Summary of Fair Value Measurements by Level [Line Items]    
Available for sale securities 66,761 65,006
Corporate Debt Securities [Member]
    
Note 9 - Fair Value Measurements (Details) - Summary of Fair Value Measurements by Level [Line Items]    
Available for sale securities 66,761 65,006
Commercial Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
    
Note 9 - Fair Value Measurements (Details) - Summary of Fair Value Measurements by Level [Line Items]    
Available for sale securities 54,267 45,856
Commercial Mortgage Backed Securities [Member]
    
Note 9 - Fair Value Measurements (Details) - Summary of Fair Value Measurements by Level [Line Items]    
Available for sale securities 54,267 45,856
US Treasury Securities [Member] | Fair Value, Inputs, Level 1 [Member]
    
Note 9 - Fair Value Measurements (Details) - Summary of Fair Value Measurements by Level [Line Items]    
Cash and cash equivalents 13,905  
Available for sale securities   22,841
US Treasury Securities [Member]
    
Note 9 - Fair Value Measurements (Details) - Summary of Fair Value Measurements by Level [Line Items]    
Cash and cash equivalents 13,905  
Available for sale securities   22,841
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member]
    
Note 9 - Fair Value Measurements (Details) - Summary of Fair Value Measurements by Level [Line Items]    
Available for sale securities 12,285 8,300
US States and Political Subdivisions Debt Securities [Member]
    
Note 9 - Fair Value Measurements (Details) - Summary of Fair Value Measurements by Level [Line Items]    
Available for sale securities 12,285 8,300
Fair Value, Inputs, Level 1 [Member]
    
Note 9 - Fair Value Measurements (Details) - Summary of Fair Value Measurements by Level [Line Items]    
Cash and cash equivalents 75,758 81,705
Restricted cash and cash equivalents 15,187 13,929
Total financial assets 222,468 223,484
Fair Value, Inputs, Level 2 [Member]
    
Note 9 - Fair Value Measurements (Details) - Summary of Fair Value Measurements by Level [Line Items]    
Total financial assets $ 133,313 $ 119,162