XML 503 R8.htm IDEA: XBRL DOCUMENT v3.22.0.1
Consolidated Statements of Stockholders' Equity (Parentheticals) - $ / shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Statement of Stockholders' Equity [Abstract]      
Cash dividends (per Share) $ 0 $ 0.70 $ 2.80