FAIR VALUE - QUANTITATIVE INFORMATION FOR LEVEL 3 FAIR VALUE MEASURMENTS (NONRECURRING) (Details) - Nonrecurring $ in Thousands	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned and foreclosed assets, fair value	$ 798	$ 6,782
Single family real estate
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned and foreclosed assets, fair value		6,547
Autos & RVs
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned and foreclosed assets, fair value	798	235
Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned and foreclosed assets, fair value	798	6,782
Level 3 | Single family real estate
Fair Value Measurement Inputs and Valuation Techniques [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 Measurement Inputs and Valuation Techniques [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 Measurement Inputs and Valuation Techniques [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 Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned, measurement input		0.020
Level 3 | Autos & RVs
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other real estate owned and foreclosed assets, fair value	$ 798	$ 235
Level 3 | Autos & RVs | Adjustment for differences between the comparable sales | Minimum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other repossessed assets, measurement input	(0.172)	(0.021)
Level 3 | Autos & RVs | Adjustment for differences between the comparable sales | Maximum
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other repossessed assets, measurement input	0.046	0.147
Level 3 | Autos & RVs | Adjustment for differences between the comparable sales | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Other repossessed assets, measurement input	(0.075)	(0.021)