Quarterly report pursuant to Section 13 or 15(d)

Fair Value (Details 3)

v3.4.0.3
Fair Value (Details 3) - USD ($)
Mar. 31, 2016
Dec. 31, 2015
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Assets $ 669,370,341 $ 677,979,621
Total Liabilities 231,529,408 233,785,315
Unconsolidated Affiliates [Member] | Reported Value Measurement [Member]    
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]    
Current assets 22,303 24,276
Noncurrent assets 701,805 696,461
Assets 724,108 720,737
Current liabilities 15,995 19,993
Noncurrent liabilities 261,723 246,808
Total Liabilities 277,718 266,801
Members' Equity 446,390 453,936
Total liabilities and partner's equity $ 724,108 $ 720,737