Quarterly report pursuant to Section 13 or 15(d)

Equity Transactions (Details)

v3.19.3
Equity Transactions (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 9 Months Ended
Jun. 18, 2019
May 30, 2018
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Class of Stock [Line Items]                      
Preferred stock dividend     $ 350     $ 1,823     $ 3,997 $ 5,471  
Accrued and unpaid dividends (in dollars per share)     $ 0.24 $ 1.25 $ 1.25 $ 1.25 $ 1.25 $ 1.25      
Issuance of common stock                 $ 0 $ 288,364  
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           $ 50.00   $ 50.00
Preferred stock, dividend rate (in dollars per share)                 $ 5.00    
Accrued and unpaid dividends (in dollars per share) 0.24                    
Redemption price (in dollars per share) $ 50.24                    
Common Stock                      
Class of Stock [Line Items]                      
Shares of common stock issued in public offering (in shares)   25,300,000                  
Issuance of common stock   $ 287,988