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Earnings Per Share - Additional Information (Details) - $ / shares
May 07, 2018
Feb. 23, 2018
Earnings Per Share Disclosure [Line Items]    
Increase in dividend rate, percentage   5.00%
Cash dividend, amount per share (in dollars per share)   $ 0.335
Subsequent Event    
Earnings Per Share Disclosure [Line Items]    
Cash dividend, amount per share (in dollars per share) $ 0.335