Quarterly report pursuant to Section 13 or 15(d)

Equity Transactions (Details)

v3.19.1
Equity Transactions (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
May 30, 2018
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Class of Stock [Line Items]        
Preferred stock dividend   $ (1,824) $ (1,824)  
Series A Preferred Stock        
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 (in dollars per share)   5.00    
Common Stock        
Class of Stock [Line Items]        
Value of a share of common stock (in dollars per share)   $ 7.55    
Conversion ratio of preferred stock to common stock   6.6    
Shares of common stock issued in public offering (in shares) 25,300,000      
Payment of preferred stock dividends $ 287,988