Quarterly report pursuant to Section 13 or 15(d)

Equity - Monthly Distributions Declared and Paid by Company's Board of Directors (Details)

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Equity - Monthly Distributions Declared and Paid by Company's Board of Directors (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Class of Stock [Line Items]        
Dividends Payable $ 49   $ 49  
Series A Preferred Stock        
Class of Stock [Line Items]        
Distributions per Preferred Share (in dollars per share) $ 0.3984375 $ 0.3984375 $ 1.1953125 $ 1.1953125
Series B Preferred Stock        
Class of Stock [Line Items]        
Distributions per Preferred Share (in dollars per share) 0.375 0.000 0.500 0.000
Common Stock        
Class of Stock [Line Items]        
Distributions per Common Share (in dollars per share) $ 0.13305 $ 0.13200 $ 0.39870 $ 0.39150