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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Mar. 31, 2023
Dec. 31, 2022
Shareholders’ equity:    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common shares of beneficial interest, shares authorized (in shares) 200,000,000 200,000,000
Common shares of beneficial interest, shares issued (in shares) 48,563,709 48,565,644
Common shares of beneficial interest, shares outstanding (in shares) 48,563,709 48,565,644