Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net Income	$ 5,347	$ 4,245
Other Comprehensive Income (Loss)
Unrealized appreciation (depreciation) on available-for-sale securities, net of taxes of $(907) and $1,621 for 2021 and 2020, respectively	(2,276)	4,065
Less: reclassification adjustment for realized gains included in net income, net of taxes of $92 and $76 for 2021 and 2020, respectively	228	191
Accumulated other comprehensive income (loss) before tax	(2,504)	3,874
Change in postretirement health plan gains and losses, net of taxes of $94 and $(123) for 2021 and 2020, respectively	234	(236)
Other comprehensive income (loss), net of tax	(2,270)	3,638
Comprehensive Income	$ 3,077	$ 7,883