Condensed Consolidated Statements of Changes in Equity (Unaudited) (Parenthetical)	6 Months Ended
Jun. 30, 2019 $ / shares shares
Common Stock
Cash dividend per share (in dollars per share)	$ 0.50
Class B Common Stock
Cash dividend per share (in dollars per share)	$ 0.50
Class B common stock shares issued (in shares) \| shares	19,224

Number of new stock issued during the period.

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-Name Accounting Standards Codification
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