EMPLOYEE BENEFIT PLANS - Statement of Condition (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Other assets
Pension asset	$ 8,800	$ 3,200
Other liabilities
Accumulated post-retirement benefit obligation	1,545	1,945
Accumulated other comprehensive loss, net of taxes
Accumulated other comprehensive loss, net of taxes	308	5,289
Pension plan
Accumulated other comprehensive loss, net of taxes
Accumulated other comprehensive loss, net of taxes	493	5,155
Post-retirement benefit plan
Accumulated other comprehensive loss, net of taxes
Accumulated other comprehensive loss, net of taxes	$ (185)	$ 134