Income Taxes (Narratives) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Income Tax Disclosure [Line items]
Federal income tax at statutory rate, percent	21.00%	21.00%
Income tax benefit related to a change in tax law		$ 408
Net operating loss carryforward	$ 6,000
Uncertain tax positions	0	0
Retained earnings	58,493	56,600
Income tax expense (benefit)	947	(387)
Federal
Income Tax Disclosure [Line items]
Retained earnings	2,800	2,800
Income tax expense (benefit)	$ 0	$ 0