Acquisitions Gateway Acquisition (Details) (USD $)
0 Months Ended 3 Months Ended 12 Months Ended
Jan. 02, 2013
Dec. 31, 2014
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Business Acquisition [Line Items]          
Total purchase price $ 14,282,000        
Cash 12,282,000        
Preferred stock 2,000,000        
Equity interest issued (in shares) 2,000,000        
Reserve development protection 2,000,000        
Reserve development protection payable 2,000,000        
Intangible assets 740,000        
Expenses incurred related to acquisitions   694,000 406,000 694,000 406,000
Severance costs         337,000
Integration related costs         372,000
Dividend Paid By Gateway          
Business Acquisition [Line Items]          
Cash 6,000,000        
Cash Paid By Atlas          
Business Acquisition [Line Items]          
Cash $ 6,300,000