Income Taxes (Details 1)	12 Months Ended
Jun. 30, 2023	Jun. 30, 2022
Income Taxes
Income tax provision at statutory federal and state tax rate	21.00%	21.00%
State taxes, net of federal benefit	5.04%	(2.70%)
Nondeductible expense	(0.24%)	2.79%
Tax return to provision	(2.67%)
State tax rate change	1.81%
Other, net	0.90%	0.72%
Valuation allowance	0.00%	0.00%
Provision for income taxes	25.83%	20.37%

Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to deduction for Medicare prescription drug benefit subsidy.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses.

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Effective rate, including composite rate, of cost of financing additions to qualifying regulated assets, commonly called allowance for funds used during construction.

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