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EMPLOYEE STOCK COMPENSATION - Nonvested Restricted Stock Awards and Restricted Stock Units (Detail) - $ / shares	3 Months Ended	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2021
Restricted stock awards and units
Number of Shares
Outstanding at beginning of period (in shares)	865,979	848,302
Granted (in shares)	48,873	269,330
Vested (in shares)	(203,032)	(355,280)
Forfeited (in shares)	(14,732)	(65,264)
Outstanding at end of period (in shares)	697,088	697,088
Weighted Average Grant Date Fair Value Per Share
Outstanding at beginning of period (in dollars per share)	$ 16.12	$ 14.42
Granted (in dollars per share)	17.15	20.66
Vested (in dollars per share)	12.87	13.70
Forfeited (in dollars per share)	16.66	12.41
Outstanding at end of period (in dollars per share)	$ 17.13	$ 17.13
Performance shares
Number of Shares
Granted (in shares)	2,916	66,472
Vested (in shares)	(8,218)	(77,327)
Forfeited (in shares)	0	(40,160)

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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