Income Taxes (Schedule of Changes in Accounting Principles) (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Current assets	$ 0	$ 24,366,588
Current liabilities	0	(2,114,430)
Long-term assets	26,908,776	4,080,001
Long-term liabilities	(98,121,395)	(73,604,621)
Total deferred tax liability	$ (71,212,619)	$ (47,272,462)

Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.

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The total amount of long-term liability charges that are being deferred beyond one year.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, netted by jurisdiction and classified as current.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting and classified as noncurrent.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting and classified as current.

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