XML 20 R7.htm IDEA: XBRL DOCUMENT v3.21.1
CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (Unaudited) (Parenthetical) - $ / shares
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Statement of Stockholders' Equity [Abstract]    
Cash dividends declared per share $ 0.52 $ 0.51