Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details)

v2.4.0.6
Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2013
Dec. 31, 2012
Fair value    
Investments available-for-sale $ 2,110 $ 2,071
Municipal obligations
   
Fair value    
Investments available-for-sale 632 638
U.S. government security funds
   
Fair value    
Investments available-for-sale 987 986
Equity securities
   
Fair value    
Investments available-for-sale 491 447
Recurring basis | Level 1 - Quoted Prices in Active Markets for Identical Assets
   
Fair value    
Investment securities 1,235 1,276
Total assets measured at fair value on a recurring basis 2,713 2,709
Recurring basis | Level 1 - Quoted Prices in Active Markets for Identical Assets | U.S. government security funds
   
Fair value    
Investments available-for-sale 987 986
Recurring basis | Level 1 - Quoted Prices in Active Markets for Identical Assets | Equity securities
   
Fair value    
Investments available-for-sale 491 447
Recurring basis | Level 2 - Significant Other Observable Inputs
   
Fair value    
Total assets measured at fair value on a recurring basis 632 638
Recurring basis | Level 2 - Significant Other Observable Inputs | Municipal obligations
   
Fair value    
Investments available-for-sale 632 638
Recurring basis | Total
   
Fair value    
Investment securities 1,235 1,276
Total assets measured at fair value on a recurring basis 3,345 3,347
Recurring basis | Total | Municipal obligations
   
Fair value    
Investments available-for-sale 632 638
Recurring basis | Total | U.S. government security funds
   
Fair value    
Investments available-for-sale 987 986
Recurring basis | Total | Equity securities
   
Fair value    
Investments available-for-sale $ 491 $ 447