Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Provision for Income Tax (Details)

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Income Taxes - Schedule of Provision for Income Tax (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2015
Current:                      
Federal income tax                 $ 102 $ 244 $ (1,348)
State income tax                 0 0 (98)
Total current                 102 244 (1,446)
Deferred:                      
Federal income tax                 (3,286) 4,538 10,432
State income tax                 (662) 739 1,919
Total deferred                 (3,948) 5,277 12,351
Total provision (benefit) for income taxes $ (10,559) $ 3,665 $ 4,321 $ (1,273) $ (1,898) $ 3,392 $ 6,102 $ (2,075) $ (3,846) $ 5,521 $ 10,905