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Business Combinations Schedule of Revenue and Earnings of the Combined Entity as Though the Business Combination (Details) (Sabine, Inc. (Sabine) [Member], USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 7 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2014
Sep. 30, 2013
Sabine, Inc. (Sabine) [Member]
         
Business Acquisition [Line Items]          
Revenue $ 15,739 $ 13,252 $ 2,887 $ 42,827 $ 37,947
Earnings $ 1,646 $ 1,702 $ 374 $ 2,830 $ 3,490
Basic earnings per common share (in dollars per share) $ 0.18 $ 0.19   $ 0.31 $ 0.38
Diluted earnings per common share (in dollars per share) $ 0.17 $ 0.18   $ 0.29 $ 0.37