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Income Taxes - Schedule of Significant Components of Provision for Income Taxes for Continuing Operations (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2016
 [1]
Jun. 30, 2016
 [1]
Mar. 31, 2016
 [1]
Sep. 30, 2015
 [1]
Jun. 30, 2015
 [1]
Mar. 31, 2015
 [1]
Jun. 30, 2016
 [1]
Jun. 30, 2015
 [1]
Sep. 30, 2016
 [1]
Sep. 30, 2015
 [1]
Dec. 31, 2016
Dec. 31, 2015
 [1]
Dec. 31, 2014
 [1]
Current [Abstract]                          
Federal                     $ 7,620 $ 6,502 $ 6,972
State                     1,281 1,192 940
Total current                     8,901 7,694 7,912
Deferred [Abstract]                          
Federal                     2,548 5,302 4,224
State                     431 651 882
Total deferred     $ 1,823     $ 473 $ 2,503 $ 2,056 $ 3,238 $ 2,918 2,979 5,953 5,106
Total income tax provision for continuing operations $ 2,753 $ 3,802 $ 2,172 $ 3,465 $ 4,221 $ 2,685 $ 5,974 $ 6,906 $ 8,727 $ 10,371 $ 11,880 $ 13,647 $ 13,018
[1] as restated