XML 19 R8.htm IDEA: XBRL DOCUMENT v3.21.2
Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares
3 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Statement of Stockholders' Equity [Abstract]            
Common stock, dividends, per share, declared (in dollars per share) $ 1.09 $ 0.99 $ 0.99 $ 0.94 $ 0.94 $ 0.94