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Consolidated Statements of Stockholders' Equity (Parenthetical) - $ / shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Statement Of Stockholders Equity [Abstract]        
Dividends declared and paid to common shareholders $ 0.0025 $ 0.0025 $ 0.005 $ 0.1525