Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Other Securities (Details 3)

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Fair Value of Other Securities (Details 3) - USD ($)
Sep. 30, 2015
Dec. 31, 2014
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Assets $ 689,584,860 $ 443,815,842
Total Liabilities 239,574,236 106,274,800
Reported Value Measurement [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Assets 725,216 408,740
Total Liabilities 266,549 128,128
Unconsolidated Affiliates [Member] | Reported Value Measurement [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Assets, Current 29,313 25,783
Assets, Noncurrent 695,903 382,957
Liabilities, Current 22,509 14,318
Liabilities, Noncurrent 244,040 113,810
Members' Equity 458,667 280,612
Total liabilities and partner's equity $ 725,216 $ 408,740