FAIR VALUE - QUANTITATIVE INFORMATION ABOUT LEVEL 3 FAIR VALUE MEASURMENTS (NONRECURRING) (Details) - Nonrecurring $ in Thousands	Dec. 31, 2021 USD ($)	Jun. 30, 2021 USD ($)
Fair Value Inputs, Equity, Quantitative Information [Line Items]
Other real estate owned and foreclosed assets, fair value	$ 251	$ 6,782
Single family real estate
Fair Value Inputs, Equity, Quantitative Information [Line Items]
Other real estate owned and foreclosed assets, fair value		6,547
Autos and RVs
Fair Value Inputs, Equity, Quantitative Information [Line Items]
Other real estate owned and foreclosed assets, fair value	251	235
Level 3
Fair Value Inputs, Equity, Quantitative Information [Line Items]
Other real estate owned and foreclosed assets, fair value	251	6,782
Level 3 | Single family real estate
Fair Value Inputs, Equity, Quantitative Information [Line Items]
Other real estate owned and foreclosed assets, fair value		$ 6,547
Level 3 | Single family real estate | Adjustment for differences between the comparable sales | Minimum
Fair Value Inputs, Equity, Quantitative Information [Line Items]
Other real estate owned, measurement input		0.015
Level 3 | Single family real estate | Adjustment for differences between the comparable sales | Maximum
Fair Value Inputs, Equity, Quantitative Information [Line Items]
Other real estate owned, measurement input		0.061
Level 3 | Single family real estate | Adjustment for differences between the comparable sales | Weighted Average
Fair Value Inputs, Equity, Quantitative Information [Line Items]
Other real estate owned, measurement input		0.020
Level 3 | Autos and RVs
Fair Value Inputs, Equity, Quantitative Information [Line Items]
Other real estate owned and foreclosed assets, fair value	$ 251	$ 235
Level 3 | Autos and RVs | Adjustment for differences between the comparable sales | Minimum
Fair Value Inputs, Equity, Quantitative Information [Line Items]
Other repossessed assets, measurement Input	(0.166)	0.021
Level 3 | Autos and RVs | Adjustment for differences between the comparable sales | Maximum
Fair Value Inputs, Equity, Quantitative Information [Line Items]
Other repossessed assets, measurement Input	(0.020)	0.147
Level 3 | Autos and RVs | Adjustment for differences between the comparable sales | Weighted Average
Fair Value Inputs, Equity, Quantitative Information [Line Items]
Other repossessed assets, measurement Input	(0.084)	0.021