Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Changes in Equity (Unaudited) (Parenthetical)

v3.19.3
Condensed Consolidated Statements of Changes in Equity (Unaudited) (Parenthetical) - $ / shares
3 Months Ended
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Class A Common Stock            
Common stock dividends, per share $ 0.15 $ 0.15 $ 0.15 $ 0.14 $ 0.14 $ 0.14