Debt and Finance Lease Obligations - Narrative (Details) $ in Thousands, € in Millions, kr in Millions, $ in Millions						6 Months Ended	12 Months Ended
		May 17, 2022 USD ($)	Apr. 06, 2022 USD ($)	Dec. 01, 2021	Jul. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2020 USD ($)	Dec. 01, 2024	Jun. 30, 2022 CAD ($)	May 17, 2022 CAD ($)	Jan. 01, 2022 USD ($)	Jan. 01, 2022 ISK (kr)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 ISK (kr)	Dec. 29, 2020 ISK (kr)	Oct. 15, 2020 ISK (kr)	Feb. 15, 2019 USD ($)	Feb. 15, 2019 EUR (€)
Line Of Credit Facility [Line Items]
Write off unamortized debt						$ 13,864							$ 14,804
Proceeds from revolving credit facility			$ 15,000
Premium Payment Due Term						12 months
Financial Arrangements Weighted Average Interest Rate							2.70%							2.70%
Revolving Credit Facility
Line Of Credit Facility [Line Items]
Borrowing capacity on line of credit						$ 15,000
Remaining borrowing capacity on line of credit						72,300
Line of credit facility, borrowing						15,000
Line of credit facility maximum borrowing capacity					$ 450,000
Revolving Credit Facility | Borrowings
Line Of Credit Facility [Line Items]
Credit facility						100,000
Forest Park Hotel Construction Loan Facility
Line Of Credit Facility [Line Items]
Maturity date		May 17, 2027
Remaining borrowing capacity on line of credit						4,600			$ 5.9
Credit facility	[1]					$ 8,634							$ 0
Interest rate on credit facility		2.35%				4.80%			4.80%	2.35%
Line of credit facility maximum borrowing capacity		$ 13,300								$ 17.0
Forest Park Hotel Construction Loan Facility | Subsequent Event
Line Of Credit Facility [Line Items]
Interest rate on credit facility								1.50%
FlyOver Iceland Credit Facility
Line Of Credit Facility [Line Items]
Maturity date				Mar. 01, 2025		Mar. 01, 2022
Debt Instrument, Annual Principal Payment											$ 600	kr 75.0
Interest rate on credit facility						4.90%			4.90%				4.90%
Line of credit facility maximum borrowing capacity																	$ 5,600	€ 5.0
Line Of Credit Facility Date Of First Required Payment				Dec. 01, 2022
Fly Over Iceland Term Loan
Line Of Credit Facility [Line Items]
Credit facility	[1]					$ 679							$ 689
Line of credit facility maximum borrowing capacity							$ 700							kr 90.0
2018 Credit Agreement | FlyOver Iceland Credit Facility
Line Of Credit Facility [Line Items]
Credit facility	[1]					5,123							$ 5,566
2021 Credit Facility
Line Of Credit Facility [Line Items]
Commitment fee percentage on line of credit					0.50%
Line of credit facility maximum borrowing capacity					$ 500,000
Loans Proceeds Offset					400,000
Fees					$ 14,800
2021 Credit Facility | Maximum | London Interbank Offered Rate (LIBOR)
Line Of Credit Facility [Line Items]
Interest rate description					LIBOR plus 3.50% with an undrawn fee of 0.50%
2021 Credit Facility | Minimum | London Interbank Offered Rate (LIBOR)
Line Of Credit Facility [Line Items]
Interest rate description					LIBOR plus 2.50% with an undrawn fee of 0.30%
2021 Credit Facility | Revolving Credit Facility
Line Of Credit Facility [Line Items]
Maturity date					Jul. 30, 2026
Minimum liquidity requirement					$ 75,000
Letters of Credit Outstanding						$ 12,700
Line of credit facility maximum borrowing capacity					$ 100,000
2021 Credit Facility | Revolving Credit Facility | London Interbank Offered Rate (LIBOR)
Line Of Credit Facility [Line Items]
Interest rate description					LIBOR plus 3.50%
2021 Credit Facility | Revolving Credit Facility | Maximum
Line Of Credit Facility [Line Items]
Financial covenants leverage ratio step up					4.75%
Leverage ratio					5.25%
Debt covenant, interest coverage ratio					2.50%
2021 Credit Facility | Revolving Credit Facility | Minimum
Line Of Credit Facility [Line Items]
Interest coverage ratio					2.00%
Leverage ratio					4.50%
Debt covenant, interest coverage ratio					4.00%
2021 Credit Facility | Term Loan B
Line Of Credit Facility [Line Items]
Borrowing capacity on line of credit					$ 400,000
Maturity date					Jul. 30, 2028
Interest coverage ratio					0.00%
Line of credit facility, borrowing					$ 400,000
Loans Proceeds Offset					$ 327,000
2021 Credit Facility | Term Loan B | London Interbank Offered Rate (LIBOR)
Line Of Credit Facility [Line Items]
Interest rate description					5.00%, with a LIBOR floor of 0.50%
First Term Loan | Fly Over Iceland Term Loan
Line Of Credit Facility [Line Items]
Maturity date							Apr. 01, 2023
Line of credit facility maximum borrowing capacity | kr																kr 10.0
Line Of Term Loan Amendment Description							bears interest on a seven-day term deposit at the Central Bank of Iceland
Second Term Loan | Fly Over Iceland Term Loan
Line Of Credit Facility [Line Items]
Maturity date							Oct. 01, 2024
Line of credit facility maximum borrowing capacity | kr																kr 30.0
Third Term Loan
Line Of Credit Facility [Line Items]
Line Of Term Loan Amendment Description							bears interest on a seven-day term deposit at the Central Bank of Iceland plus 3.07%. The third term loan for ISK 50.0 million was entered into effective December 29, 2020 with a maturity date of February 1, 2023 and bears interest at one-month Reykjavik InterBank Offered Rate (“REIBOR”) plus 4.99%. The Icelandic State Treasury guarantees supplemental loans provided by credit institutions to companies impacted by the COVID-19 pandemic. Accordingly, the Icelandic State Treasury guaranteed the repayment of up to 85% of the principal and interest on the ISK 10.0 million and ISK 30.0 million term loans and 70% of the principal amount on the ISK 50.0 million term loan. Loan proceeds were used to fund FlyOver Iceland operations.
Third Term Loan | Fly Over Iceland Term Loan
Line Of Credit Facility [Line Items]
Maturity date							Feb. 01, 2023
Line of credit facility maximum borrowing capacity | kr															kr 50.0
Line Of Term Loan Amendment Description							bears interest at one-month Reykjavik InterBank Offered Rate (“REIBOR”) plus 4.99%. The Icelandic State Treasury guarantees supplemental loans provided by credit institutions to companies impacted by the COVID-19 pandemic. Accordingly, the Icelandic State Treasury guaranteed the repayment of up to 85% of the principal and interest on the ISK 10.0 million and ISK 30.0 million term loans and 70% of the principal amount on the ISK 50.0 million term loan

[1] Represents the weighted-average interest rate in effect at the respective periods, including any applicable margin. The interest rates do not include amortization of debt issuance costs or commitment fees