XML 26 R32.htm IDEA: XBRL DOCUMENT v3.2.0.727
Marketable Securities (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss $ (73)  
Amortized cost 25,118 $ 26,096
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax 115 117
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 8,814  
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss (92)  
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 628  
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (19)  
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 8,186  
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax 92 57
Available-for-sale Securities 25,141 26,156
Corporate Debt Securities [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss (72)  
Amortized cost 18,966 19,804
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax 92 89
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 7,841  
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss (90)  
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 398  
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (18)  
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 7,443  
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax 90 55
Available-for-sale Securities 18,968 19,838
Municipal Bonds [Member]    
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss (1)  
Amortized cost 6,152 6,292
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain, before Tax 23 28
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value 973  
Available-for-sale Securities, Continuous Unrealized Loss Position, Accumulated Loss (2)  
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss 230  
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss (1)  
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value 743  
Available-for-sale Debt Securities, Accumulated Gross Unrealized Loss, before Tax 2 2
Available-for-sale Securities $ 6,173 $ 6,318