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Subsequent Events (Details) - $ / shares
3 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Subsequent Event [Line Items]        
Common Stock, Dividends, Per Share, Cash Paid $ 1.20 $ 1.125 $ 1.125 $ 1.125
Paid subsequent to year end [Member]        
Subsequent Event [Line Items]        
Common Stock, Dividends, Per Share, Cash Paid $ 1.20