XML 27 R32.htm IDEA: XBRL DOCUMENT v2.4.0.8
Marketable Securities Available-for-sale Securities (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Investments, Debt and Equity Securities [Abstract]    
Due within one year, Amortized cost $ 5,783  
Due after one year through five years, Amortized cost 18,852  
Due after five years through ten years, Amortized cost 685  
Total available-for-sale securities, Amortized cost 25,320 25,490
Due within one year, Estimated fair value 5,785  
Due after one year through five years, Estimated fair value 18,970  
Due after five years through ten years, Estimated fair value 696  
Total available-for-sale securities, Estimated fair value $ 25,451 $ 25,526