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Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Components of Income Tax [Abstract]      
Federal $ 6,247 $ 5,558 $ 4,167
State 1,933 1,641 790
Total Current 8,180 7,199 4,957
Federal 219 (435) (286)
State 11 (235) (149)
Total Deferred 230 (670) (435)
Total $ 8,410 $ 6,529 $ 4,522