Equity - Share-based Awards Expensed & Capitalized Amounts (Detail) - Amended 2013 Incentive Award Plan - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expensed share-based compensation	$ 3,570	$ 2,579
Capitalized share-based compensation	57	34
Total share-based compensation	3,627	$ 2,613
Unrecognized compensation expense related to non-vested shares	$ 23,100
Weighted average remaining vesting period	30 months

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

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