INCOME TAXES - Summary of Benefit (Provision) for Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended							6 Months Ended		9 Months Ended		12 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2017	Dec. 31, 2016	Mar. 31, 2018	Mar. 31, 2017	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Current:
Federal												$ 0	$ (22)	$ (2)
State												(269)	(60)	(31)
Current income tax (expense) benefit												(269)	(82)	(33)
Deferred:
Federal												(11)	183	(58)
State												18	0	(4)
Deferred tax (expense) benefit												7	183	(62)
(Provision) benefit for income taxes	$ (20)	$ 157	$ (28)	$ (26)	$ (23)	$ (23)	$ (23)	$ 129	$ (46)	$ 109	$ (69)	$ (262)	$ 101	$ (95)