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Subsequent Events (Details) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2019
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Subsequent Event [Line Items]          
Cash dividend declared (in dollars per share)   $ 0.10 $ 0.10 $ 0.20 $ 0.20
Subsequent Event          
Subsequent Event [Line Items]          
Cash dividend declared, date Apr. 26, 2019        
Cash dividend declared (in dollars per share) $ 0.10        
Cash dividend declared, payment date Jun. 28, 2019        
Cash dividend declared, record date Jun. 07, 2019