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EMPLOYEE STOCK COMPENSATION - Share Based Compensation Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	$ 1,494	$ 1,398	$ 3,844	$ 5,273
Related tax benefits	439	410	1,130	1,546
Unrecognized Expense	11,408		$ 11,408
Weighted-Average Remaining Expected Recognition Period			2 years 3 months 18 days
Stock option awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	3	32	$ (13)	145
Unrecognized Expense	9		$ 9
Weighted-Average Remaining Expected Recognition Period			9 months 18 days
Restricted stock awards and restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total share-based compensation expense	1,491	$ 1,366	$ 3,857	$ 5,128
Unrecognized Expense	$ 11,399		$ 11,399
Weighted-Average Remaining Expected Recognition Period			2 years 3 months 18 days

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

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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