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Statement of Shareholders' Equity (Tables)
9 Months Ended
Sep. 30, 2021
Equity [Abstract]  
Summary of Dividends Declared
Dividends declared per share were as follows:
 Three Months Ended September 30,Nine Months Ended September 30,
2021202020212020
Dividends declared per share $0.20 $0.20 $0.60 $0.60