Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Federal tax (benefit) on consolidated net loss at statutory rate	$ (855,136)	$ (2,734,067)
Change in valuation allowance	(3,419,114)	38,090
Add back tax benefit on loss attributable to non-controlling interest in subsidiary	0	396,415
Book loss related to joint venture deconsolidation	0	900,910
Basis limited on joint venture loss	0	429,450
Basis difference related to investment in joint venture	(110,114)	705,500
Return to provision	(1,037,754)	0
Discrete due to joint venture deconsolidation	0	245,854
Federal rate change true-up	5,421,298	0
Other	820	17,848
Benefit for income taxes, net	$ 0	$ 0