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Equity - Common and Preferred Stock - Narrative (Details)
9 Months Ended 12 Months Ended
Jan. 08, 2017
shares
Oct. 05, 2016
shares
Aug. 23, 2016
shares
Aug. 01, 2016
shares
Jun. 08, 2016
shares
May 18, 2016
shares
May 04, 2016
shares
Apr. 01, 2016
shares
Feb. 03, 2016
shares
Sep. 30, 2016
Dec. 31, 2016
shares
Dec. 31, 2015
shares
Class of Stock [Line Items]                        
Number of shares of common stock exchanged (in shares)         500,000     1,725,000 1,000,000      
Preferred stock, shares authorized (in shares)                     20,000,000 20,000,000
Preferred stock, shares issued (in shares)                     0 0
Preferred stock, shares outstanding                     0 0
Common Class A                        
Class of Stock [Line Items]                        
Common stock, shares outstanding (in shares)                     6,496,559 3,118,623
Common stock voting rights ratio                     1  
Common Class B                        
Class of Stock [Line Items]                        
Common stock, shares outstanding (in shares)                     10,224,742 10,750,000
Common stock voting rights ratio                   1 1  
Restricted Stock Units                        
Class of Stock [Line Items]                        
Number of shares vested (in shares)           53,853 101,210       115,271  
Number of shares of common stock distributed to the holder of restricted stock units (in shares)                     81,864  
Number of shares of common stock withheld to cover taxes owed on vested units (in shares)                     33,407  
Common Stock                        
Class of Stock [Line Items]                        
Number of shares of common stock distributed to the holder of restricted stock units (in shares)           43,683 77,814          
Common Stock | Restricted Stock Units                        
Class of Stock [Line Items]                        
Number of shares of common stock withheld to cover taxes owed on vested units (in shares)           10,170 23,396          
Provider Companies | Common Class B                        
Class of Stock [Line Items]                        
Number of shares issued for acquisition (in shares)       699,742                
Major Energy Purchase Agreement | Common Class B                        
Class of Stock [Line Items]                        
Number of shares issued for acquisition (in shares)     2,000,000                  
Censtar Convertible Debt | Common Class B                        
Class of Stock [Line Items]                        
Number of shares, irrevocable commitment to convert (in shares)   383,090                    
Censtar Convertible Debt | Subsequent Event | Common Class B                        
Class of Stock [Line Items]                        
Number of shares, irrevocable commitment to convert (in shares) 134,731