Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Current State and Local Tax Expense (Benefit)	$ 108,000	$ 371,000	$ 0
Deferred tax assets
Unrealized loss on derivatives	8,734,000	0
Net operating loss carryforwards	137,757,000	79,208,000
Alternative minimum tax carryforward	8,633,000	9,785,000
Percentage depletion carryover	2,595,000	2,442,000
Property and equipment	44,391,000	42,757,000
Deferred gain on sale leaseback transaction	0	32,831,000
Other	0	7,396,000
Total deferred tax assets	202,110,000	174,419,000
Valuation allowance on deferred tax assets	(190,255,000)	(154,320,000)
Total deferred tax assets, net of valuation allowance	11,855,000	20,099,000
Deferred tax liabilities
Unrealized gain on derivatives	3,800,000	5,699,000
Other	(8,055,000)	(14,400,000)
Total deferred tax liabilities	(11,855,000)	(20,099,000)
Net deferred tax liabilities	0	0
Current Federal Tax Expense (Benefit)	(1,144,000)	2,588,000	133,000
Net current income tax (benefit) provision	$ (1,036,000)	$ 2,959,000	$ 133,000