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Stock-Based Compensation (Detail) - (Table 2) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Total	$ 5,686	$ 5,671
Restricted Stock [Member]
Allocated Share-based Compensation Expense	4,864	4,617
Stock Options [Member]
Allocated Share-based Compensation Expense	$ 822	$ 1,054

X

- Definition

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

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