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Consolidated Statements of Stockholders' Equity Parentheticals - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Statement of Stockholders' Equity [Abstract]        
Common Stock, Dividends, Per Share, Declared $ 0 $ 0 $ 0 $ 0.70