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Subsequent Events (Details) - USD ($)
$ / shares in Units, $ in Thousands
Mar. 04, 2019
Aug. 08, 2018
Subsequent Events (Textual)    
Dividend distribution of per share   $ 0.155
Aggregate dividend value   $ 7,563
Dividend paid date   Sep. 05, 2018
Subsequent Event [Member]    
Subsequent Events (Textual)    
Dividend distribution of per share $ 0.15  
Aggregate dividend value $ 7,334  
Dividend paid date Mar. 27, 2019