Employee Benefits - 2008 Equity Incentive Plan (Details) - USD ($)			12 Months Ended
	Jun. 30, 2017	Jun. 30, 2012	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Defined Contribution Plan Disclosure [Line Items]
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
Equity Incentive Plan vesting percentage			20.00%
Restricted Stock
Defined Contribution Plan Disclosure [Line Items]
Equity Incentive Plan Shares Awarded	0	122,803
Equity Incentive Plan vesting percentage			20.00%
Equity Incentive Plan Shares Vested			0	2,250	2,700
Equity Incentive Plan Expense			$ 0	$ 46,000	$ 84,000
Equity Incentive Plan Remained Outstanding			0
Equity Incentive Plan Unvested Compensation Expense			$ 0