Revenue from Contract with Customers (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Sales of assets [Abstract]
Net gain (loss) on sale of foreclosed real estate	$ 19	$ (35)
Service Charges on Deposit Accounts [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	3,926	4,117
Insufficient Funds Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	3,510	3,694
Deposit Related Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	154	155
ATM/Point of Sale Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	262	268
Debit Card Interchange Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	2,980	2,624
E-commerce Fee Income [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	113	139
Investment Services Income [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	$ 559	$ 544