XML 18 R7.htm IDEA: XBRL DOCUMENT v3.21.1
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) (Parenthetical) - $ / shares
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Statement Of Stockholders Equity [Abstract]    
Common per share (in dollars per share) $ 0.15 $ 0.12
Preferred per share (in dollars per share) $ 0.47 $ 0.47