Overview and Basis of Presentation - Narrative (Details) $ in Thousands		3 Months Ended
		Mar. 31, 2018 USD ($) Segment Lodge Recreational Excursion RetailShop DiningOutlet	Mar. 31, 2017 USD ($)
Overview And Summary Of Significant Accounting Policies [Line Items]
Number of reportable segments | Segment		3
Amount reclassified from operating expenses to other expense, with retrospective effect | $	[1]	$ 238	$ 452
Glacier Park Inc
Overview And Summary Of Significant Accounting Policies [Line Items]
Percentage of non-equity ownership related to non-redeemable noncontrolling interests		20.00%
ASU 2017-07
Overview And Summary Of Significant Accounting Policies [Line Items]
Cumulative-effect adjustment beginning retained earnings | $		$ 600
Amount reclassified from operating expenses to other expense, with retrospective effect | $			$ 452
GES
Overview And Summary Of Significant Accounting Policies [Line Items]
Number of product lines | Segment		3
Number of live event markets | Segment		4
Pursuit
Overview And Summary Of Significant Accounting Policies [Line Items]
Number of business lines | Segment		4
Pursuit | Banff Jasper Collection
Overview And Summary Of Significant Accounting Policies [Line Items]
Number of world-class recreational attractions | Recreational		5
Pursuit | Banff Jasper Collection | Banff National Park
Overview And Summary Of Significant Accounting Policies [Line Items]
Number of lodges		2
Pursuit | Banff Jasper Collection | Jasper National Park
Overview And Summary Of Significant Accounting Policies [Line Items]
Number of lodges		1
Pursuit | Alaska Collection | Denali National Park and Preserve
Overview And Summary Of Significant Accounting Policies [Line Items]
Number of lodges		2
Number of sightseeing excursion | Excursion		1
Pursuit | Alaska Collection | Talkeetna
Overview And Summary Of Significant Accounting Policies [Line Items]
Number of lodges		1
Pursuit | Alaska Collection | Kenai Fjords National Park
Overview And Summary Of Significant Accounting Policies [Line Items]
Number of lodges		2
Pursuit | Glacier Park Collection
Overview And Summary Of Significant Accounting Policies [Line Items]
Number of lodges		7
Number of retail shops | RetailShop		12
Number of dining outlets | DiningOutlet		11

[1] We adopted ASU 2017-07 on January 1, 2018, which requires retrospective adoption. As a result, we recorded the nonservice cost component of net periodic benefit cost within other expense for the three months ended March 31, 2018, and we reclassified $0.5 million from operating expenses to other expense for the three months ended March 31, 2017 to conform with current period presentation. Refer to Note 1 – Overview and Basis of Presentation for additional details on the impact of this adoption on our Condensed Consolidated Statements of Operations.