Quarterly report pursuant to Section 13 or 15(d)

Equity Transactions (Narrative) (Details)

v3.7.0.1
Equity Transactions (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Dec. 19, 2016
Sep. 06, 2016
May 26, 2016
Apr. 25, 2016
Mar. 09, 2016
Feb. 04, 2016
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Class of Stock [Line Items]                  
Preferred stock dividend             $ 1,824 $ 1,824  
Preferred stock redemption, description             The Preferred Stock has no stated maturity and is not subject to any sinking fund or other mandatory redemption. On or after May 30, 2018, the Company may, at its option, redeem the Preferred Stock, in whole or in part, by paying $50.00 per share, plus any accrued and unpaid dividends to the redemption date.    
Proceeds from issuance of common stock               94,949  
Series A Preferred Stock [Member]                  
Class of Stock [Line Items]                  
Preferred stock cumulative cash dividends rate             10.00%    
Preferred stock, liquidation preference (in dollars per share)             $ 50.00   $ 50.00
Preferred stock, dividend rate             $ 5.00    
Preferred stock dividend             $ 1,824 $ 1,824  
Preferred stock, redemption price per share             $ 50.00    
Value of a share of common stock             $ 13.16    
Conversion ratio of preferred stock to common stock             3.8    
Conversion of stock, shares converted           120,000      
Preferred stock, shares outstanding             1,458,948   1,458,948
Preferred stock, shares issued             1,458,948    
Common Stock                  
Class of Stock [Line Items]                  
Conversion of stock, shares issued           719,000      
Shares of common stock issued in public offering 40,000,000 29,900,000   25,300,000 15,250,000        
Proceeds from issuance of common stock $ 634,917 $ 421,864   $ 205,869 $ 94,948        
Common Stock | Big Star Transaction [Member]                  
Class of Stock [Line Items]                  
Shares of common stock issued in acquisition     9,333,333            
Sales price of shares issued     $ 11.74