Share-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Abstract]
Grants of common shares and options	$ 3,115	$ 3,151	$ 10,144	$ 10,143
Capitalized share-based compensation	(335)	(274)	(977)	(746)
Share-based compensation expense	$ 2,780	$ 2,877	$ 9,167	$ 9,397

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost capitalized for award under share-based payment arrangement.

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Amount of noncash expense for share-based payment arrangement.

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