Revenue and Related Contract Costs and Contract Liabilities - Disaggregate GES and Pursuit Revenue by Major Product Line Timing of Revenue Recognition and Markets Served (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation Of Revenue [Line Items]
Total revenue		$ 365,899	$ 382,721	$ 947,001	$ 879,284
GES
Disaggregation Of Revenue [Line Items]
Total revenue		178,959	218,925	638,924	614,105
GES | Intersegment Eliminations
Disaggregation Of Revenue [Line Items]
Total revenue		(2,043)	(2,224)	(6,839)	(5,716)
Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		186,940	163,796	308,077	265,179
North America | GES
Disaggregation Of Revenue [Line Items]
Total revenue		148,569	186,787	506,816	505,484
EMEA | GES
Disaggregation Of Revenue [Line Items]
Total revenue		42,325	43,088	154,506	127,435
Services Transferred Over Time | GES
Disaggregation Of Revenue [Line Items]
Total revenue		149,700	189,089	539,345	519,036
Services Transferred Over Time | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		135,419	117,110	226,253	192,432
Products Transferred Over Time | GES
Disaggregation Of Revenue [Line Items]
Total revenue	[1]	13,518	11,231	42,497	35,194
Products Transferred at a Point in Time | GES
Disaggregation Of Revenue [Line Items]
Total revenue		15,741	18,605	57,082	59,875
Products Transferred at a Point in Time | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		51,521	46,686	81,824	72,747
Ticket revenue [Member] | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		71,741	60,825	122,545	99,364
Rooms revenue [Member] | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		48,674	42,453	78,370	69,915
Other | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		8,994	7,581	13,694	11,968
Transportation | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		6,010	6,251	11,644	11,185
Total Services | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		135,419	117,110	226,253	192,432
Food and Beverage | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		28,394	25,105	47,897	41,369
Retail Operations | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		23,127	21,581	33,927	31,378
Total Products Revenue
Disaggregation Of Revenue [Line Items]
Total revenue		80,780	76,522	181,403	167,816
Total Products Revenue | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		51,521	46,686	81,824	72,747
Banff Jasper Collection | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		96,503	80,829	161,022	134,121
Alaska Collection | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		26,846	25,591	40,000	39,407
Spiro | GES
Disaggregation Of Revenue [Line Items]
Total revenue		58,887	73,277	199,617	205,518
GES-Exhibitions | GES
Disaggregation Of Revenue [Line Items]
Total revenue		122,115	147,872	446,146	414,303
GES intersegment eliminations | GES
Disaggregation Of Revenue [Line Items]
Total revenue		(11,935)	(10,950)	(22,398)	(18,814)
Glacier Park Collection | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		42,806	41,080	57,991	55,670
FlyOver | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		9,675	8,276	22,550	18,285
Sky Lagoon | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		$ 11,110	$ 8,020	$ 26,514	$ 17,696

[1] GES’ graphics product revenue is earned over time over the duration of an event as it is considered a part of the single performance obligation satisfied over time.