Amount before tax of income (loss) from operations classified as a discontinued operation. Excludes gain (loss) on disposal and provision for gain (loss) until its disposal.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109222160&loc=d3e957-107759

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 3A
-URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721523-107759

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Subsequent Events - Additional Information (Detail) $ in Thousands		12 Months Ended
	Aug. 27, 2018 USD ($) a	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)
Subsequent Event [Line Items]
Proceeds from sale		$ 0	$ 14,621
Subsequent Event [Member]
Subsequent Event [Line Items]
Undeveloped land approved to sale \| a	2
Subsequent Event [Member] \| Medical Office Building And Undeveloped Land [Member]
Subsequent Event [Line Items]
Proceeds from sale	$ 1,000
Earnings (Loss) before income taxes	$ 450