XML 17 R7.htm IDEA: XBRL DOCUMENT v3.21.2
Unaudited Condensed Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Statement of Stockholders' Equity [Abstract]        
Cash dividends declared per share (in dollars per share) $ 0.32 $ 0.30 $ 0.95 $ 0.88