Revenue from Contract with Customers (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	$ 4,117	$ 3,707
Sales of assets [Abstract]
Net (loss) gain on sale of foreclosed real estate	(35)	42
Insufficient Funds Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	3,694	3,324
Deposit Related Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	155	153
ATM/Point of Sale Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	268	230
Debit Card Interchange Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	2,624	2,362
E-commerce Fee Income [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	139	139
Investment Services Income [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	$ 544	$ 469