INCOME TAXES - Schedule of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Current:
Federal	$ 4,072	$ 3,290	$ 6,683	$ 4,561
State and Local	131	478	354	636
Total Current Income Tax Expense (Benefit)	4,203	3,768	7,037	5,197
Deferred:
Federal	20,977	16,375	97,053	12,575
State and Local	7,433	757	16,963	423
Total Deferred Income Tax Expense (Benefit)	28,410	17,132	114,016	12,998
Total Income Tax Expense (Benefit)	32,613	$ 20,900	121,053	$ 18,195
Deferred income tax asset, net	$ 32,440		$ 32,440		$ 151,284