Share-Based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Abstract]
Grants of common shares and options	$ 3,087	$ 3,131	$ 7,029	$ 6,992
Capitalized share-based compensation	(310)	(201)	(642)	(472)
Share-based compensation expense	$ 2,777	$ 2,930	$ 6,387	$ 6,520

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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