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Condensed Consolidated Statements of Stockholders' Equity (Parenthetical) - shares
shares in Thousands
3 Months Ended
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Statement of Stockholders' Equity [Abstract]            
Restricted share grants, net settled shares (in shares) 6 13 63 2 18 58