Asset Sales - Additional Information (Detail) $ in Thousands				3 Months Ended		9 Months Ended
	Dec. 20, 2019 USD ($) a	Sep. 09, 2019 USD ($) a	Oct. 11, 2018 USD ($) a	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)
Asset Sales [Line Items]
Proceeds from sale						$ 0	$ 6,899
Pre-tax gain on the sale of property				$ 0	$ 0	193	454
Medical Office Building [Member] | Clanton, AL [Member]
Asset Sales [Line Items]
Undeveloped land sold | a	4
Proceeds from sale	$ 204
Pre-tax gain on the sale of property						86
Undeveloped Land [Member] | Fulton, MO [Member]
Asset Sales [Line Items]
Undeveloped land sold | a		11.4
Proceeds from sale		$ 348
Pre-tax gain on the sale of property						$ 100
Medical Office Building And Undeveloped Land [Member] | Georgia [Member]
Asset Sales [Line Items]
Undeveloped land sold | a			2
Proceeds from sale			$ 935
Pre-tax gain on the sale of property							$ 452