XML 22 R8.htm IDEA: XBRL DOCUMENT v3.21.2
CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]                
Common stock, par value (in USD per share) $ 0.10 $ 0.10 $ 0.10 $ 0.10 $ 0.10 $ 0.10 $ 0.10 $ 0.10