XML 18 R7.htm IDEA: XBRL DOCUMENT v3.21.2
Consolidated Statements of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Statement of Stockholders' Equity [Abstract]    
Cash dividends declared (usd per share) $ 0.63 $ 0.61