Annual report pursuant to Section 13 and 15(d)

Equity Incentive Plan Schedule of Share-based Compensation Arrangements by Share-based Payment Award (Details)

v2.4.0.6
Equity Incentive Plan Schedule of Share-based Compensation Arrangements by Share-based Payment Award (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 51,447 51,235  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 9.55 $ 8.86  
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures 32,021 19,750  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value $ 10.15 $ 10.76  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (58,143) (19,538)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value $ (9.82) $ (8.96)  
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited 0 0  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price $ 0.00 $ 0.00  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number 25,325 51,447 51,235
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price $ 9.69 $ 9.55 $ 8.86
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures $ 488 $ 279 $ 214
Common Stock [Member]
     
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures 32,021 19,750 36,463
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures $ 0 $ 0 $ 0