Discontinued Operations - Additional Information (Detail) $ in Thousands		12 Months Ended			30 Months Ended
	Aug. 19, 2016 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Dec. 31, 2014 Hospital
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Earnings (Loss) before income taxes		$ 211	$ (2,169)	$ (218)
Number of Hospitals Sold | Hospital					3
Chestatee Hospital [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Earnings (Loss) before income taxes	$ 7,265
Chestatee Hospital [Member] | Asset Purchase Agreement [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale	$ 15,000