Revenue From Contracts With Customers - Schedule of Noninterest Income (Details) - USD ($)		3 Months Ended		9 Months Ended
		Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2019
Noninterest income
Service charges on deposits		$ 236,000	$ 295,000	$ 737,000	$ 892,000
Interchange fees		95,000	95,000	324,000	314,000
Other	[1]	35,000	46,000	109,000	105,000
Fees and service charges		366,000	436,000	1,170,000	1,311,000
Bank-owned life insurance	[1]	128,000	131,000	399,000	410,000
Gains on sales of securities, net	[1]	38,000		38,000	55,000
Swap income	[1]			170,000	146,000
Net gain on sale of bank premises	[1]				156,000
Net gain on sale of foreclosed real estate		40,000		87,000	24,000
Other	[1]	8,000	12,000	28,000	38,000
Other noninterest income		48,000	12,000	115,000	218,000
Total noninterest income		$ 580,000	$ 579,000	$ 1,892,000	$ 2,140,000

[1] Not within the scope of ASC 606