INCOME TAXES - NET DEFERRED TAX ASSET (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Deferred tax assets:
Allowance for loan and lease losses and charge-offs	$ 15,829	$ 18,845
State taxes	2,164	6,893
Stock-based compensation expense	3,432	2,703
Unrealized net (gains) losses on securities	225	(385)
Deferred bonus / vacation	761	959
Securities impaired	0	8,395
Deferred loan fees	1,372	2,377
Total deferred tax assets	23,783	39,787
Deferred tax liabilities:
FHLB stock dividend	(833)	(1,181)
Other assets—prepaids	(1,513)	(1,363)
Depreciation and amortization	(3,480)	(2,902)
Total deferred tax liabilities	(5,826)	(5,446)
Net deferred tax asset	$ 17,957	$ 34,341