Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Mar. 31, 2019	Mar. 31, 2018
Sales of assets [Abstract]
Net (loss) gain on sale of foreclosed real estate	$ (25)	$ (20)	$ (34)	$ 33
Service Charges on Deposit Accounts [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	960	932	3,103	2,717
Insufficient Funds Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	855	839	2,782	2,439
Deposit Related Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	39	39	117	116
ATM/Point of Sale Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	66	54	204	162
Debit Card Interchange Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	604	566	1,929	1,723
E-commerce Fee Income [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	31	31	102	104
Investment Services Income [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	$ 145	$ 138	$ 396	$ 332