LOANS RECEIVABLE AND THE ALLOWANCE FOR LOAN LOSSES (Collateral Secured) (Details) $ in Thousands	Mar. 31, 2020 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	$ 28,562
Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	11,357
Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	1,215
Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	4,646
Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	11,344
Commercial real estate - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	1,838
Commercial real estate - owner occupied | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	1,838
Commercial real estate - owner occupied | Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Commercial real estate - owner occupied | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Commercial real estate - owner occupied | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Commercial real estate - investment properties
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	3,421
Commercial real estate - investment properties | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	3,421
Commercial real estate - investment properties | Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Commercial real estate - investment properties | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Commercial real estate - investment properties | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Small balance CRE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	1,367
Small balance CRE | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	1,367
Small balance CRE | Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Small balance CRE | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Small balance CRE | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Multifamily real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Multifamily real estate | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Multifamily real estate | Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Multifamily real estate | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Multifamily real estate | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Commercial construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Commercial construction | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Commercial construction | Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Commercial construction | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Commercial construction | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Multifamily construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Multifamily construction | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Multifamily construction | Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Multifamily construction | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Multifamily construction | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
One- to four- family construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	964
One- to four- family construction | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	964
One- to four- family construction | Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
One- to four- family construction | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
One- to four- family construction | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Residential Land and Land Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Residential Land and Land Development [Member] | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Residential Land and Land Development [Member] | Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Residential Land and Land Development [Member] | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Residential Land and Land Development [Member] | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Commercial business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	20,007
Commercial business | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	2,851
Commercial business | Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	1,215
Commercial business | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	4,597
Commercial business | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	11,344
Small business scored
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	97
Small business scored | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	48
Small business scored | Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Small business scored | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	49
Small business scored | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Agricultural business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Agricultural business | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Agricultural business | Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Agricultural business | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Agricultural business | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
One-to four-family residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	868
One-to four-family residential | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	868
One-to four-family residential | Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
One-to four-family residential | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
One-to four-family residential | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Consumer Secured By One To Four Family [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Consumer Secured By One To Four Family [Member] | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Consumer Secured By One To Four Family [Member] | Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Consumer Secured By One To Four Family [Member] | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Consumer Secured By One To Four Family [Member] | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Consumer | Real Estate Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Consumer | Inventories [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Consumer | Equipment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	0
Consumer | Accounts Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Collateral Dependent Loans, Amortized Cost	$ 0