Quarterly report pursuant to Section 13 or 15(d)

Credit Facilities (Details)

v3.3.0.814
Credit Facilities (Details) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Jul. 31, 2015
Jul. 08, 2015
Jun. 29, 2015
Jun. 23, 2015
Nov. 24, 2014
Mar. 13, 2014
Oct. 29, 2013
Oct. 15, 2013
Dec. 20, 2012
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Sep. 26, 2014
May. 08, 2013
Oct. 29, 2010
Line of Credit Facility [Line Items]                                  
Line of Credit Facility, Covenant Terms                       three years          
Line of Credit Facility, Periodic Payment, Principal                       $ 294,000          
Restricted Cash and Cash Equivalents                   $ 0   0          
Assets                   689,584,860   $ 689,584,860   $ 443,815,842      
Deferred Costs Amortization Period                       3 years          
Interest expense                   3,854,913 $ 977,635 $ 6,129,073 $ 2,623,972        
Borrowed against the revolver                       45,392,332 2,535,671        
Pinedale Liquids Gathering System [Member]                                  
Line of Credit Facility [Line Items]                                  
Assets                   $ 137,700,000   $ 137,700,000          
Mowood LLC [Member] | Revolving note payable [Member]                                  
Line of Credit Facility [Line Items]                                  
Maximum borrowing capacity               $ 1,500,000                 $ 1,300,000
Loan facility secured by assets               $ 1,500,000                 $ 1,300,000
Line of Credit [Member]                                  
Line of Credit Facility [Line Items]                                  
Accrued interest on outstanding balance           2.00%                      
Borrowed against the revolver           $ 4,000,000                      
Line of Credit [Member] | Mowood LLC [Member] | Revolving note payable [Member]                                  
Line of Credit Facility [Line Items]                                  
Accrued interest on outstanding balance             4.00% 0.50%                  
Debt Instrument, Interest Rate at Period End               3.75%                  
Revolving Credit Facility [Member]                                  
Line of Credit Facility [Line Items]                                  
Borrowed against the revolver       $ 42,000,000                          
Key Bank [Member] | Secured Debt [Member]                                  
Line of Credit Facility [Line Items]                                  
Description of variable rate basis                       LIBOR          
Accrued interest on outstanding balance                 3.25%                
Debt Instrument, Interest Rate at Period End                   3.44%   3.44%          
Required principle payment as percentage of outstanding amount, beginning in year two                   0.42%   0.42%          
Maximum borrowing capacity                 $ 70,000,000                
Loan facility secured by assets                 $ 70,000,000                
Key Bank [Member] | Line of Credit [Member]                                  
Line of Credit Facility [Line Items]                                  
Line of Credit Extension Period                       1 year          
Accrued interest on outstanding balance                       4.00%          
Debt issuance cost                       $ 0          
Deferred Costs Amortization Period                       4 years          
Maximum borrowing capacity                               $ 20,000,000  
Loan facility secured by assets                               $ 20,000,000  
Amortization of Financing Costs and Discounts                   $ 0 0 $ 0 47,000        
debt instrument, description of prime rate basis                       Prime Rate          
debt instrument, basis spread on prime rate                       2.75%          
Deferred debt issuance costs, net of accumulated amortization of $1,430,366 and $1,124,655                   161,000   $ 161,000          
Key Bank [Member] | Term Loan [Member]                                  
Line of Credit Facility [Line Items]                                  
Interest expense                   129,000 129,000 388,000 388,000        
Deferred debt issuance costs, net of accumulated amortization of $1,430,366 and $1,124,655                   113,000   113,000   501,000      
Regions [Member] | Revolving Credit Facility [Member]                                  
Line of Credit Facility [Line Items]                                  
Maximum borrowing capacity         $ 90,000,000                   $ 30,000,000    
Loan facility secured by assets         $ 90,000,000                   $ 30,000,000    
Amortization of Financing Costs and Discounts                   372,000 $ 0 735,069 $ 0        
Deferred debt issuance costs, net of accumulated amortization of $1,430,366 and $1,124,655                   $ 3,500,000   3,500,000   1,300,000      
Debt Instrument, Redemption, Period Two [Member]                                  
Line of Credit Facility [Line Items]                                  
Line of Credit Facility, Periodic Payment, Principal                       $ 3,500,000   $ 3,500,000      
London Interbank Offered Rate (LIBOR) [Member]                                  
Line of Credit Facility [Line Items]                                  
Accrued interest on outstanding balance         3.50%                        
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member]                                  
Line of Credit Facility [Line Items]                                  
Accrued interest on outstanding balance         2.75%                        
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member]                                  
Line of Credit Facility [Line Items]                                  
Accrued interest on outstanding balance         3.50%                        
Mogas [Member] | Regions [Member] | Revolving Credit Facility [Member]                                  
Line of Credit Facility [Line Items]                                  
Maximum borrowing capacity         $ 3,000,000                        
Loan facility secured by assets         $ 3,000,000                        
Line of Credit [Member]                                  
Line of Credit Facility [Line Items]                                  
Maximum borrowing capacity   $ 153,000,000                              
Loan facility secured by assets   153,000,000                              
Line of Credit [Member] | Revolving Credit Facility [Member]                                  
Line of Credit Facility [Line Items]                                  
Available borrowing capacity   105,000,000                              
Debt Instrument, Interest Rate at Period End                   3.04%   3.04%          
Line of Credit Facility, Periodic Payment, Principal                       $ 900,000          
Maximum borrowing capacity   105,000,000               $ 93,000,000   93,000,000          
Loan facility secured by assets   105,000,000               $ 93,000,000   $ 93,000,000          
Borrowed against the revolver     $ 42,000,000                            
Line of Credit [Member] | Revolving Credit Facility [Member] | Mowood/Omega Revolver [Member]                                  
Line of Credit Facility [Line Items]                                  
Maximum borrowing capacity $ 1,500,000                                
Loan facility secured by assets $ 1,500,000                                
Line of Credit [Member] | Term Loan [Member] | Parent Company [Member]                                  
Line of Credit Facility [Line Items]                                  
Maximum borrowing capacity   45,000,000                              
Loan facility secured by assets   45,000,000                              
Line of Credit [Member] | Term Loan [Member] | Subsidiaries [Member]                                  
Line of Credit Facility [Line Items]                                  
Maximum borrowing capacity   3,000,000                              
Loan facility secured by assets   $ 3,000,000                              
Line of Credit [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member] | Mowood/Omega Revolver [Member]                                  
Line of Credit Facility [Line Items]                                  
Accrued interest on outstanding balance 4.00%                                
Line of Credit [Member] | Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]                                  
Line of Credit Facility [Line Items]                                  
Accrued interest on outstanding balance   2.75%                              
Line of Credit [Member] | Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Revolving Credit Facility [Member]                                  
Line of Credit Facility [Line Items]                                  
Accrued interest on outstanding balance   3.75%