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
		Mar. 31, 2023	Mar. 31, 2022
Disaggregation Of Revenue [Line Items]
Total revenue		$ 260,791	$ 177,360
GES
Disaggregation Of Revenue [Line Items]
Total revenue		228,128	153,576
GES | Intersegment Eliminations
Disaggregation Of Revenue [Line Items]
Total revenue		(2,248)	(1,264)
Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		32,663	23,784
Pursuit | Operating Segments
Disaggregation Of Revenue [Line Items]
Total revenue		32,663	23,784
North America | GES
Disaggregation Of Revenue [Line Items]
Total revenue		180,839	129,027
EMEA | GES
Disaggregation Of Revenue [Line Items]
Total revenue		49,537	25,813
Services Transferred Over Time | GES
Disaggregation Of Revenue [Line Items]
Total revenue		192,977	132,483
Services Transferred Over Time | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		25,163	18,654
Products Transferred Over Time | GES
Disaggregation Of Revenue [Line Items]
Total revenue	[1]	12,941	7,938
Products Transferred at a Point in Time | GES
Disaggregation Of Revenue [Line Items]
Total revenue		22,210	13,155
Products Transferred at a Point in Time | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		7,500	5,130
Ticket revenue [Member] | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		14,261	9,202
Rooms revenue [Member] | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		7,590	6,903
Other | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		1,367	1,370
Transportation | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		1,945	1,179
Total Services | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		25,163	18,654
Food and Beverage | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		5,875	4,093
Retail Operations | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		1,625	1,037
Total Products Revenue
Disaggregation Of Revenue [Line Items]
Total revenue		42,651	26,223
Total Products Revenue | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		7,500	5,130
Banff Jasper Collection | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		17,614	14,330
Alaska Collection | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		453	497
Spiro | GES
Disaggregation Of Revenue [Line Items]
Total revenue		60,362	42,816
GES-Exhibitions | GES
Disaggregation Of Revenue [Line Items]
Total revenue		169,497	111,831
GES intersegment eliminations | GES
Disaggregation Of Revenue [Line Items]
Total revenue		(1,731)	(1,071)
Glacier Park Collection | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		1,455	1,009
FlyOver | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		5,855	4,139
Sky Lagoon | Pursuit
Disaggregation Of Revenue [Line Items]
Total revenue		$ 7,286	$ 3,809

[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.