Employee Benefits - 2008 Equity Incentive Plan (Details) - USD ($)			12 Months Ended
	Jun. 30, 2017	Jun. 30, 2012	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Equity Incentive Plan Description			The Company adopted an Equity Incentive Plan (the EIP) in 2008, reserving for award 132,000 shares (split-adjusted). EIP shares were available for award to directors, officers, and employees of the Company and its affiliates by a committee of outside directors.
Equity Incentive Plan Shares reserved			132,000
Restricted Stock
Equity Incentive Plan Shares Awarded	0	122,803
Equity Incentive Plan vesting percentage			20.00%
Equity Incentive Plan Shares Vested			2,250	2,700	2,825
Equity Incentive Plan Expense			$ 46,000	$ 84,000	$ 88,000
Equity Incentive Plan Remained Outstanding			0
Equity Incentive Plan Unvested Compensation Expense			$ 0
Performance-based restricted stock
Equity Incentive Plan vesting percentage			20.00%