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		6 Months Ended
		Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation Of Revenue [Line Items]
Total revenue		$ 378,538	$ 320,311	$ 652,035	$ 581,102
GES
Disaggregation Of Revenue [Line Items]
Total revenue		277,337	231,837	513,603	459,965
GES | Intersegment Eliminations
Disaggregation Of Revenue [Line Items]
Total revenue		(2,772)	(3,065)	(3,594)	(4,796)
Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		101,201	88,474	138,432	121,137
North America | GES
Disaggregation Of Revenue [Line Items]
Total revenue		228,794	177,408	409,981	358,247
EMEA | GES
Disaggregation Of Revenue [Line Items]
Total revenue		71,175	62,644	130,136	112,181
Services Transferred Over Time | GES
Disaggregation Of Revenue [Line Items]
Total revenue		233,910	196,668	431,856	389,645
Services Transferred Over Time | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		76,050	65,671	105,034	90,834
Products Transferred Over Time | GES
Disaggregation Of Revenue [Line Items]
Total revenue	[1]	18,548	16,038	32,971	28,979
Products Transferred at a Point in Time | GES
Disaggregation Of Revenue [Line Items]
Total revenue		24,879	19,131	48,776	41,341
Products Transferred at a Point in Time | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		25,151	22,803	33,398	30,303
Ticket revenue [Member] | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		43,707	36,543	61,512	50,804
Rooms revenue [Member] | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		24,578	22,106	32,182	29,696
Other | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		4,427	3,333	6,147	4,700
Transportation | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		3,338	3,689	5,193	5,634
Total Services | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		76,050	65,671	105,034	90,834
Food and Beverage | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		15,046	13,628	21,568	19,503
Retail Operations | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		10,105	9,175	11,830	10,800
Total Products Revenue
Disaggregation Of Revenue [Line Items]
Total revenue		68,578	57,972	115,145	100,623
Total Products Revenue | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		25,151	22,803	33,398	30,303
Banff Jasper Collection | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		53,696	46,905	71,802	64,519
Alaska Collection | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		14,046	12,701	14,659	13,154
Spiro | GES
Disaggregation Of Revenue [Line Items]
Total revenue		99,132	80,368	160,380	140,730
GES-Exhibitions | GES
Disaggregation Of Revenue [Line Items]
Total revenue		180,977	154,534	356,817	324,031
GES intersegment eliminations | GES
Disaggregation Of Revenue [Line Items]
Total revenue		(22,632)	(8,215)	(26,514)	(10,463)
Glacier Park Collection | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		15,311	13,730	16,744	15,185
FlyOver | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		8,533	7,020	14,722	12,875
Sky Lagoon | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		$ 9,615	$ 8,118	$ 20,505	$ 15,404

[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.