Accumulated Other Comprehensive Income and Other Comprehensive Income (Details) - USD ($) $ in Thousands		3 Months Ended
		Sep. 30, 2016	Sep. 30, 2015
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Beginning balance		$ 256,352
Amounts reclassified from AOCI		424	$ 489
Foreign currency translation adjustments		(2,210)	(22,325)
Other comprehensive loss attributable to Intrawest Resorts Holdings, Inc.		(1,786)	(21,836)
Ending balance		210,990
Other Comprehensive Income (Loss) [Abstract]
Foreign currency translation adjustments		(2,242)	(22,481)
Realized portion of cash flow hedge	[1]	198	303
Actuarial gain (loss) on pensions	[2]	226	186
Other comprehensive loss, net of tax of $0		(1,818)	(21,992)
Other comprehensive loss attributable to noncontrolling interest, net of tax of $0		(32)	(156)
Other comprehensive loss attributable to Intrawest Resorts Holdings, Inc.		(1,786)	(21,836)
Other comprehensive loss, tax		0	0
Other comprehensive loss attributable to noncontrolling interest, tax		0	0
Other comprehensive loss attributable to Intrawest Resorts Holdings, Inc., tax		0	0
Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Beginning balance		131,920	145,379
Ending balance		130,134	123,543
Realized Portion on Cash Flow Hedge [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Beginning balance		(733)	(1,919)
Amounts reclassified from AOCI		198	303
Foreign currency translation adjustments		0	(4)
Other comprehensive loss attributable to Intrawest Resorts Holdings, Inc.		198	299
Ending balance		(535)	(1,620)
Other Comprehensive Income (Loss) [Abstract]
Other comprehensive loss attributable to Intrawest Resorts Holdings, Inc.		198	299
Actuarial Loss on Pensions [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Beginning balance		(14,242)	(11,950)
Amounts reclassified from AOCI		226	186
Foreign currency translation adjustments		71	536
Other comprehensive loss attributable to Intrawest Resorts Holdings, Inc.		297	722
Ending balance		(13,945)	(11,228)
Other Comprehensive Income (Loss) [Abstract]
Other comprehensive loss attributable to Intrawest Resorts Holdings, Inc.		297	722
Foreign Currency Translation Adjustments [Member]
Accumulated Other Comprehensive Income, Net of Tax [Roll Forward]
Beginning balance		146,895	159,248
Amounts reclassified from AOCI		0	0
Foreign currency translation adjustments		(2,281)	(22,857)
Other comprehensive loss attributable to Intrawest Resorts Holdings, Inc.		(2,281)	(22,857)
Ending balance		144,614	136,391
Other Comprehensive Income (Loss) [Abstract]
Other comprehensive loss attributable to Intrawest Resorts Holdings, Inc.		$ (2,281)	$ (22,857)

[1] Amounts reclassified out of AOCI are included in interest expense in the accompanying condensed consolidated statements of operations.

[2] Amounts reclassified out of AOCI are included in operating expenses in the accompanying condensed consolidated statements of operations.