XML 18 R6.htm IDEA: XBRL DOCUMENT v3.21.1
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Statement of Stockholders' Equity [Abstract]    
Dividends declared per common share (in dollars per share) $ 0.3300 $ 0.2975