Changes in and Reclassifications Out of Accumulated Other Comprehensive (Loss) Income - Reclassifications out of AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net securities gains reclassified into net income	$ 36	$ 238
Income tax expense (benefit)	(947)	387
NET INCOME	3,779	1,328
Reclassifications out of AOCI | Net gain on sale of securities
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net securities gains reclassified into net income	36	238
Income tax expense (benefit)	(8)	(50)
NET INCOME	$ 28	$ 188