EMPLOYEE BENEFIT PLANS - Employee Stock Ownership Plan (Details) - Pioneer Bank ESOP - USD ($)		12 Months Ended
	Jul. 17, 2019	Jun. 30, 2020
Employee Stock Ownership Plan
Number of shares purchased by the ESOP as a result of the Company granting a loan to the ESOP	1,018,325
Average purchase price of shares (in dollars per share)	$ 13.40
Term of loan granted by Company to the ESOP	20 years
Balance of ESOP loan	$ 12,900,000
Number of shares committed to be released annually under the ESOP	50,916
Compensation expense		$ 995,000
Shares held by the ESOP include the following:
Allocated		50,916
Committed to be allocated		25,458
Unallocated		941,951
Total Shares		1,018,325