Annual report pursuant to Section 13 and 15(d)

Schedule of Components of Income Tax Expense (Benefit) (Details)

v3.6.0.2
Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Tax Expense (Benefit) Components [Line Items]                      
Current Federal Tax Expense (Benefit)                 $ (1,630) $ (4,027) $ 6,507
Current State and Local Tax Expense (Benefit)                 167 175 16
Current Income Tax Expense (Benefit)                 (1,463) (3,852) 6,523
Deferred Income Tax Expense (Benefit)                 13,766 (12,638) (80,261)
Provision for (benefit from) income taxes $ 38,441 $ (16,827) $ (14,762) $ 5,451 $ 8,780 $ (7,656) $ (6,957) $ (10,657) $ 12,303 $ (16,490) $ (73,738)