Subsequent Event (Notes)

9 Months Ended

Sep. 30, 2017

Subsequent Events [Abstract]

Subsequent Events [Text Block]

(8) Subsequent Event

On October 2, 2017, the Company declared a quarterly dividend of $0.23 per share or $169,900,000, payable November 1, 2017 to stockholders of record as of the close of business October 13, 2017.