XML 74 R33.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2013
Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure $ 9,210 $ 0
Fair Value, Measurements, Recurring [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 9,210 0
Fair Value, Measurements, Recurring [Member] | Corporate Debt Securities [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 5,818 0
Fair Value, Measurements, Recurring [Member] | Municipal Bonds [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 3,392 0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 0 0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Corporate Debt Securities [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 0 0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Municipal Bonds [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 0 0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 9,210 0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Corporate Debt Securities [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 5,818 0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Municipal Bonds [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 3,392 0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 0 0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Corporate Debt Securities [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure 0 0
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Municipal Bonds [Member]
   
Schedule of Available-for-sale Securities [Line Items]    
Available-for-sale Securities, Fair Value Disclosure $ 0 $ 0