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Shareholders' Equity (Details) - USD ($)
$ / shares in Units, $ in Thousands
Apr. 11, 2017
Feb. 23, 2017
Distributions    
Cash distribution to common shareholders (in dollars per share)   $ 0.43
Distribution paid to common shareholders   $ 30,606
Subsequent Event    
Distributions    
Distribution paid to common shareholders $ 30,606  
Distribution payable to common shareholders (in dollars per share) $ 0.43