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Consolidated Statements of Equity (Parenthetical) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Preferred Shares        
Issuance of shares, offering costs   $ 3,780,000   $ 3,780,000
Common Shares        
Issuance of shares, offering costs $ 79,000 $ 292,000 $ 107,000 $ 811,000