Fair Value Measurements and Fair Value of Financial Instruments, Fair Value Inputs, Assets, Quantitative Information (Details) - Level 3 [Member] $ in Thousands		Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)
Appraisal of Collateral [Member]
Additional Quantitative Information about Assets Measured at Fair Value [Abstract]
Impaired loans		$ 1,403	$ 1,687
Foreclosed real estate		$ 53	$ 119
Appraisal of Collateral [Member] | Appraisal Adjustments [Member] | Minimum [Member]
Additional Quantitative Information about Assets Measured at Fair Value [Abstract]
Impaired loans, measurement input	[1],[2]	0.0000	0.2658
Foreclosed real estate, measurement input	[1],[2]	0.0000	0.0000
Appraisal of Collateral [Member] | Appraisal Adjustments [Member] | Maximum [Member]
Additional Quantitative Information about Assets Measured at Fair Value [Abstract]
Impaired loans, measurement input	[1],[2]	0.3373	0.3100
Foreclosed real estate, measurement input	[1],[2]	0.0000	0.0000
Appraisal of Collateral [Member] | Appraisal Adjustments [Member] | Weighted Average [Member]
Additional Quantitative Information about Assets Measured at Fair Value [Abstract]
Impaired loans, measurement input	[1],[2]	0.2448	0.2817
Foreclosed real estate, measurement input	[1],[2]	0.0000	0.0000
Appraisal of Collateral [Member] | Liquidation Expenses [Member]
Additional Quantitative Information about Assets Measured at Fair Value [Abstract]
Foreclosed real estate, measurement input	[2],[3]	0.1041
Appraisal of Collateral [Member] | Liquidation Expenses [Member] | Minimum [Member]
Additional Quantitative Information about Assets Measured at Fair Value [Abstract]
Impaired loans, measurement input	[2],[3]	0.0398	0.0414
Foreclosed real estate, measurement input	[2],[3]		0.0899
Appraisal of Collateral [Member] | Liquidation Expenses [Member] | Maximum [Member]
Additional Quantitative Information about Assets Measured at Fair Value [Abstract]
Impaired loans, measurement input	[2],[3]	0.0600	0.0726
Foreclosed real estate, measurement input	[2],[3]		0.1178
Appraisal of Collateral [Member] | Liquidation Expenses [Member] | Weighted Average [Member]
Additional Quantitative Information about Assets Measured at Fair Value [Abstract]
Impaired loans, measurement input	[2],[3]	0.0453	0.0507
Foreclosed real estate, measurement input	[2],[3]	0.1041	0.0992
Discounted Cash Flow [Member]
Additional Quantitative Information about Assets Measured at Fair Value [Abstract]
Impaired loans		$ 670	$ 630
Discounted Cash Flow [Member] | Discount Rate [Member] | Minimum [Member]
Additional Quantitative Information about Assets Measured at Fair Value [Abstract]
Impaired loans, measurement input		0.0419	0.0419
Discounted Cash Flow [Member] | Discount Rate [Member] | Maximum [Member]
Additional Quantitative Information about Assets Measured at Fair Value [Abstract]
Impaired loans, measurement input		0.0866	0.0663
Discounted Cash Flow [Member] | Discount Rate [Member] | Weighted Average [Member]
Additional Quantitative Information about Assets Measured at Fair Value [Abstract]
Impaired loans, measurement input		0.0607	0.0536

[1] Appraisals may be adjusted downwards by management for qualitative factors such as economic conditions. Higher downward adjustments are caused by negative changes to the collateral or conditions in the real estate market, actual offers or sales contracts received or age of the appraisal.

[2] Fair value is generally determined through independent third-party appraisals of the underlying collateral, which generally includes various Level 3 inputs which are not observable.

[3] Appraisals may be adjusted downwards by management for items such as the estimated costs to liquidate the collateral.