INCOME TAXES - Components of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Current income tax expense:
Federal	$ 2,096	$ 10,405	$ 12,140
State	666	1,892	276
Benefit of current year tax credits	(554)	(171)	(117)
Total current tax expense	2,208	12,126	12,299
Deferred tax (benefit) expense:
Federal	(8,887)	(5,837)	525
State	(886)	(897)	32
Total deferred tax (benefit) expense	(9,773)	(6,734)	557
Income tax (benefit) expense	$ (7,565)	$ 5,392	$ 12,856