INCOME TAXES (Consolidated Income Tax Expense) (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2016	Sep. 30, 2015
Current									$ 109	$ 1,463
Tax benefit allocated to additional paid-in capital related to equity incentive plan									0	149
Deferred									(2,431)	(36)
Income tax expense (benefit)	$ 1,211	$ (4,389)	$ 389	$ 467	$ 415	$ 318	$ 435	$ 408	$ (2,322)	$ 1,576