Annual report pursuant to Section 13 and 15(d)

Credit Facilities (Details)

v3.3.1.900
Credit Facilities (Details) - USD ($)
 3 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
May. 08, 2013
Dec. 20, 2012
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Sep. 26, 2014
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                     678,490,022       $ 443,815,842       678,490,022 $ 443,815,842      
Interest expense                     3,652,111 $ 3,854,913 $ 1,126,888 $ 1,147,272 1,051,151 $ 977,635 $ 819,360 $ 826,976 $ 9,781,184 3,675,122 $ 3,288,378    
Current Fiscal Year End Date                                     --12-31        
Borrowed against the revolver                                     $ 45,392,332 34,676,948 221,332    
Parent Company [Member]                                              
Line of Credit Facility [Line Items]                                              
Assets                     576,095,576       345,940,430       576,095,576 345,940,430      
Deferred debt issuance costs, net of accumulated amortization of $1,430,366 and $1,124,655                     2,450,323       1,645,887       2,450,323 1,645,887      
Borrowed against the revolver                                     42,000,000 32,000,000 0    
Pinedale Liquids Gathering System [Member]                                              
Line of Credit Facility [Line Items]                                              
Assets                     137,600,000               $ 137,600,000        
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%                              
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%                 4.25%        
Debt Instrument, Additional Principal Payment                     $ 1,000,000               $ 1,000,000        
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       47,000       $ 42,000        
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                                     500,000 517,000 $ 515,000    
Deferred debt issuance costs, net of accumulated amortization of $1,430,366 and $1,124,655                     156,000       501,000       156,000 501,000      
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                     927,000       217,000                
Deferred debt issuance costs, net of accumulated amortization of $1,430,366 and $1,124,655                     3,300,000       $ 1,300,000       3,300,000 $ 1,300,000      
Regions [Member] | Revolving Credit Facility [Member] | Subsidiaries [Member]                                              
Line of Credit Facility [Line Items]                                              
Maximum borrowing capacity         3,000,000                                    
Loan facility secured by assets         $ 3,000,000                                    
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                     $ 95,800,000               $ 95,800,000        
Effective percentage                     3.07%               3.07%        
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%