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Income Taxes (Details 1) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Current:                      
Federal                 $ 4,850 $ 5,540 $ 6,210
State                 1,150 1,125 1,125
Total current                 6,000 6,665 7,187
Total deferred                 3,640 3,385 2,805
Income Tax Benefit Continuing Operations                 9,640 10,050 10,140
Taxes are allocated as follows:                      
Continuing operations $ 2,450 $ 2,599 $ 3,141 $ 1,450 $ 3,050 $ 2,180 $ 3,193 $ 1,627 9,640 10,050 9,992
Discontinued operations                 0 0 148
Income Tax Benefit Continuing Operations                 $ 9,640 $ 10,050 $ 10,140