Quarterly report pursuant to Section 13 or 15(d)

Fair Value - Income Statement of Unconsolidated Affiliate (Details)

v3.7.0.1
Fair Value - Income Statement of Unconsolidated Affiliate (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Schedule of Equity Method Investments [Line Items]        
Revenues $ 21,825,872 $ 22,060,752 $ 43,902,988 $ 44,318,619
Other income (2,366,763) (2,126,978) (6,321,906) (7,306,166)
Net Income 9,436,060 9,265,487 17,487,921 13,005,109
Less: Net Income attributable to non-controlling interests (435,888) (310,960) (818,271) (659,461)
Lightfoot [Member] | Reported Value Measurement [Member] | Unconsolidated Affiliates [Member]        
Schedule of Equity Method Investments [Line Items]        
Revenues 26,586 26,243 52,511 52,310
Operating expenses 22,803 20,812 45,274 42,884
Income (Loss) from Operations 3,783 5,431 7,237 9,426
Other income 1,860 2,369 3,770 4,743
Net Income 5,643 7,800 11,007 14,169
Less: Net Income attributable to non-controlling interests (1,977) (5,070) (5,107) (9,077)
Net Income attributable to Partner's Capital $ 3,666 $ 2,730 $ 5,900 $ 5,092