Fair Value Measurements - Fair Value Option, Disclosures (Details) - Fair Value, Inputs, Level 3	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Third party appraisal | Marketability discount | Maximum
Fair Value Measurements Nonrecurring Range of discounts Applied	56.90%
Foreclosed and repossessed assets
Fair Value Measurements Nonrecurring Unobservable Inputs	2,211	2,430
Foreclosed and repossessed assets | Third party appraisal
Fair Value Measurements Nonrecurring Valuation Technique	Third party appraisal	Third party appraisal
Foreclosed and repossessed assets | Third party appraisal | Marketability discount
Fair Value Measurements Nonrecurring Unobservable Inputs	Marketability discount	Marketability discount
Fair Value Measurements Nonrecurring Weighted Average Discount Applied	15.7	35.2
Foreclosed and repossessed assets | Third party appraisal | Marketability discount | Maximum
Fair Value Measurements Nonrecurring Range of discounts Applied		77.00%
Foreclosed and repossessed assets | Third party appraisal | Marketability discount | Minimum
Fair Value Measurements Nonrecurring Range of discounts Applied	8.00%	5.10%