Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity, Common Stock Textuals (Details)

v3.6.0.2
Stockholders' Equity, Common Stock Textuals (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Common Stock, Shares Authorized 150,000,000 150,000,000    
Common Stock, Par or Stated Value Per Share $ 0.01 $ 0.01    
Common stock, shares outstanding 71,578,093 70,960,461 69,607,000 68,641,000
Amended Shareholder Agreement        
Conversion of Stock, Shares Issued 465,389 557,589    
Conversion of Stock, Shares Available for Exchange 232,695      
Allocated Share-based Compensation Expense $ 1,173 $ 2,274 $ 2,432  
Amended Shareholder Agreement | Alon Assets        
Conversion of Stock, Shares Converted 2,487.92 3,006.20