Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Allowance for credit loss	$ (17,017)	$ (12,286)
Common shares, par value (in USD per share)	$ 0.01	$ 0.01
Common shares, shares authorized (in shares)	500,000,000	325,000,000
Common shares, shares issued (in shares)	266,769,008	251,702,603
Common shares, shares outstanding (in shares)	266,769,008	251,702,603
Mortgages, Senior Notes and Term Loans
Unamortized deferred financing costs, net	$ 11,446	$ 15,952