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Subsequent Events	6 Months Ended
Subsequent Events	Jun. 30, 2019
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events On July 31, 2019, the Company declared a quarterly cash dividend of $2.46 per share, which is payable on September 18, 2019 to the Company's common stockholders of record as of the close of business on August 21, 2019.