Income Taxes (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Provisional income tax expense related to remeasurement of deferred taxes at newly enacted tax rate	$ 30,000,000
Tax Adjustments, Settlements, and Unusual Provisions	(27,698,000)
Loss before benefit from income taxes and noncontrolling interests	(27,697,706)	$ (31,257,751)
Current Federal Tax Expense (Benefit)	(9,310,000)	0
Current State and Local Tax Expense (Benefit)	(1,641,000)	0
Current Income Tax Expense (Benefit)	(10,951,000)	0
Deferred Federal Income Tax Expense (Benefit)	(576,000)	0
Deferred State and Local Income Tax Expense (Benefit)	0	0
Deferred Income Tax Expense (Benefit)	(576,000)	0
Federal Income Tax Expense (Benefit), Continuing Operations	(9,886,000)	0
State and Local Income Tax Expense (Benefit), Continuing Operations	(1,641,000)	0
Income Tax Expense (Benefit)	$ (11,526,557)	0
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	34.00%
Income Tax Reconciliation, Income Tax Expense (Benefit), at Federal Statutory Income Tax Rate	$ (9,417,000)	(10,628,000)
Income Tax Reconciliation, State and Local Income Taxes	(1,641,000)	2,759,000
Permanent non deductible expenses for U.S. taxes	107,000	80,000
Defined Benefit Plan, Other Cost (Credit)	(576,000)
Restatement of Prior Year Income, Net of Tax	0	2,371,000
Income Tax Reconciliation, Change in Enacted Tax Rate	29,809,000	(44,000)
Deferred Tax Assets, Valuation Allowance	(29,809,000)	10,204,000
Unrecognized Tax Benefits Resulting in Net Operating Loss Carryforward	60,171,000	79,131,000
Deferred Tax Assets, Deferred Income	1,780,000	0
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	3,000	314,000
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	2,656,000	11,562,000
Deferred Tax Assets, Goodwill and Intangible Assets	270,000	429,000
Deferred Tax Assets, Charitable Contribution Carryforwards	11,000	424,000
Deferred Tax Asset, Partnership Interest	0	3,858,000
Deferred Tax Assets, Capital Loss Carryforwards	0	6,988,000
Deferred Tax Assets, Accumulated Depreciation	22,000	0
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation	682,000	0
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	575,000	0
Deferred Tax Assets, Tax Credit Carryforwards, Other	526,000	659,000
Deferred Tax Assets, Net	66,696,000	103,365,000
Deferred Tax Liabilities Accumulated depreciation	0	(119,000)
Deferred Tax Liabilities, Gross	0	(119,000)
Deferred Tax Assets (Liabilities), Net	66,696,000	103,246,000
Valuation allowance	(66,121,000)	(103,246,000)
Deferred Income Tax Assets, Net	575,055	0
Operating Loss Carryforwards	$ 210,300,000	$ 232,700,000