EMPLOYEE BENEFIT PLANS - Fair Values of Plan Assets by Asset Category (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Carrying Amount
Employee Benefit Plans
Total plan assets	$ 49,457	$ 68,216
Carrying Amount | American Funds New World R6
Employee Benefit Plans
Total plan assets	2,455	3,424
Carrying Amount | Cohen & Steers Real Estate SECS I
Employee Benefit Plans
Total plan assets	1,504	2,001
Carrying Amount | Fidelity Capital & Income Fund
Employee Benefit Plans
Total plan assets	2,470	3,417
Carrying Amount | PIMCO Commodities Plus Strat Fd Inst
Employee Benefit Plans
Total plan assets	1,446	2,063
Carrying Amount | PIMCO Long Term Credit Bond Inst
Employee Benefit Plans
Total plan assets	7,458	10,370
Carrying Amount | PIMCO Low Duration Incm Fd I
Employee Benefit Plans
Total plan assets	2,028	2,720
Carrying Amount | Vanguard Developed Mkts Index Inst
Employee Benefit Plans
Total plan assets	6,207	8,594
Carrying Amount | Vanguard Growth Index Fund Instl
Employee Benefit Plans
Total plan assets	7,019	9,867
Carrying Amount | Vanguard Mid Cap Index Funds Admiral
Employee Benefit Plans
Total plan assets	3,406	4,798
Carrying Amount | Vanguard Small Cap I
Employee Benefit Plans
Total plan assets	2,924	4,073
Carrying Amount | Vanguard Value Index Instl Shares
Employee Benefit Plans
Total plan assets	6,941	9,403
Carrying Amount | Western Asset Core Bd Fd I
Employee Benefit Plans
Total plan assets	5,057	6,818
Carrying Amount | Cash
Employee Benefit Plans
Total plan assets	542	668
Level 1
Employee Benefit Plans
Total plan assets	49,457	68,216
Level 1 | American Funds New World R6
Employee Benefit Plans
Total plan assets	2,455	3,424
Level 1 | Cohen & Steers Real Estate SECS I
Employee Benefit Plans
Total plan assets	1,504	2,001
Level 1 | Fidelity Capital & Income Fund
Employee Benefit Plans
Total plan assets	2,470	3,417
Level 1 | PIMCO Commodities Plus Strat Fd Inst
Employee Benefit Plans
Total plan assets	1,446	2,063
Level 1 | PIMCO Long Term Credit Bond Inst
Employee Benefit Plans
Total plan assets	7,458	10,370
Level 1 | PIMCO Low Duration Incm Fd I
Employee Benefit Plans
Total plan assets	2,028	2,720
Level 1 | Vanguard Developed Mkts Index Inst
Employee Benefit Plans
Total plan assets	6,207	8,594
Level 1 | Vanguard Growth Index Fund Instl
Employee Benefit Plans
Total plan assets	7,019	9,867
Level 1 | Vanguard Mid Cap Index Funds Admiral
Employee Benefit Plans
Total plan assets	3,406	4,798
Level 1 | Vanguard Small Cap I
Employee Benefit Plans
Total plan assets	2,924	4,073
Level 1 | Vanguard Value Index Instl Shares
Employee Benefit Plans
Total plan assets	6,941	9,403
Level 1 | Western Asset Core Bd Fd I
Employee Benefit Plans
Total plan assets	5,057	6,818
Level 1 | Cash
Employee Benefit Plans
Total plan assets	$ 542	$ 668