Segment Information, Net Income (Loss) Reconciled to Adjusted EBITDA (Details) - USD ($) $ in Thousands		3 Months Ended
		Sep. 30, 2016	Sep. 30, 2015
Segment Information [Abstract]
Net loss attributable to Intrawest Resorts Holdings, Inc.		$ (44,396)	$ (47,042)
Depreciation and amortization		15,170	15,042
Gain on disposal of assets		(341)	(689)
Loss from equity method investments		1,388	3,084
Other income, net		(475)	(78)
Income tax expense		939	1,787
Loss attributable to noncontrolling interest		287	1,619
Total Adjusted EBITDA		(13,929)	(14,154)
Reportable Segment [Member] | Mountain [Member]
Segment Information [Abstract]
Total Adjusted EBITDA	[1]	(18,073)	(20,787)
Reportable Segment [Member] | Adventure [Member]
Segment Information [Abstract]
Total Adjusted EBITDA	[2]	2,145	4,860
Reportable Segment [Member] | Real Estate [Member]
Segment Information [Abstract]
Total Adjusted EBITDA	[3]	1,999	1,773
Reportable Segment [Member] | Real Estate [Member] | IRCG Operations [Member]
Segment Information [Abstract]
Interest income			(900)
Reconciling Item [Member]
Segment Information [Abstract]
Legacy and other non-core expenses, net	[4]	803	2,351
Other operating expenses	[5]	2,108	1,151
Depreciation and amortization		15,170	15,042
Gain on disposal of assets		(341)	(689)
Interest income	[6]	(70)	(71)
Interest expense		9,908	10,162
Loss from equity method investments	[7]	1,388	3,084
Pro rata share of Adjusted EBITDA related to equity method investments	[1]	1,120	692
Adjusted EBITDA attributable to noncontrolling interest		(370)	(2,162)
Other income, net	[8]	(475)	(78)
Income tax expense		939	1,787
Loss attributable to noncontrolling interest		$ 287	$ 1,619

[1] Includes the Company's pro rata share of Adjusted EBITDA from its equity method investments in Mammoth Hospitality Management L.L.C. and Chateau M.T. Inc. The pro rata share of Adjusted EBITDA represents the Company's share of Adjusted EBITDA from these equity method investments based on the Company's economic ownership percentages.

[2] Adventure segment Adjusted EBITDA excludes Adjusted EBITDA attributable to noncontrolling interest.

[3] Real Estate segment Adjusted EBITDA includes interest income earned from receivables related to the IRCG operations until the Disposition Date, in the amount of $0.9 million for the three months ended September 30, 2015.

[4] Legacy and other non-core expenses, net represents revenue and expenses of legacy and other non-core operations that are not reviewed regularly by the CODM to assess performance and make decisions regarding the allocation of resources. Revenue and expenses related to legacy and other non-core operations include retail operations not located at the Company's properties and legacy litigation consisting of claims for damages related to alleged construction defects, purported disclosure violations in real estate marketing sales and documents, and allegations that the Company failed to construct planned amenities.

[5] Includes costs related to non-cash compensation, reduction in workforce severance, lease payments pursuant to the lease at Winter Park and other expenses.

[6] Includes interest income unrelated to IRCG financing activities.

[7] Represents the losses from equity method investments, including: Chateau M.T. Inc., Mammoth Hospitality Management L.L.C., and the Mammoth family of resorts.

[8] Includes foreign currency transaction gains (losses), litigation settlement gains (losses), acquisition-related expenses, and other expenses.