Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Sales of assets [Abstract]
Net gain (loss) on sale of foreclosed real estate	$ 0	$ 0	$ 76	$ (9)
Service Charges on Deposit Accounts [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	1,111	1,106	2,236	2,143
Insufficient Funds Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	1,003	996	2,021	1,926
Deposit Related Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	41	41	80	78
ATM/Point of Sale Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	67	69	135	139
Debit Card Interchange Fees [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	755	685	1,498	1,325
E-commerce Fee Income [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	31	34	66	71
Investment Services Income [Member]
Revenues Subject to ASC 606 [Abstract]
Revenue from contract with customers	$ 168	$ 136	$ 313	$ 251