Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Sales of assets [Abstract]
Net gain (loss) on sale of foreclosed real estate	$ (57)	$ (25)	$ 19	$ (34)
Service Charges on Deposit Accounts [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	1,034	960	3,270	3,103
Insufficient Funds Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	928	855	2,950	2,782
Deposit Related Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	40	39	120	117
ATM/Point of Sale Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	66	66	200	204
Debit Card Interchange Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	698	604	2,196	1,929
E-commerce Fee Income [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	24	31	90	102
Investment Services Income [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	$ 120	$ 145	$ 433	$ 396