Fair Value Measurements - Unobservable (Level 3) inputs (Details) - Nonrecurring Measurements - Level 3 - Foreclosed and repossessed assets - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Unobservable Inputs	$ 280	$ 2,211
Third party appraisal
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Valuation Technique	Third party appraisal	Third party appraisal
Third party appraisal | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Range of discounts Applied	7.20%
Third party appraisal | Marketability discount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Unobservable Inputs	Marketability discount	Marketability discount
Fair Value Measurements Nonrecurring Range of discounts Applied	37.10%
Fair Value Measurements Nonrecurring Weighted Average Discount Applied		15.7
Third party appraisal | Marketability discount | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Range of discounts Applied		8.00%
Third party appraisal | Marketability discount | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements Nonrecurring Range of discounts Applied	80.60%	56.90%