Income Taxes - Narrative (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Operating Loss Carryforwards [Line Items]
Effective income tax rate	4.80%	(20.60%)	5.60%	(7.10%)
Federal statutory tax rate	21.00%		21.00%
Valuation allowance		$ 25.5		$ 25.5
Goodwill impairment loss		0.0		0.0
Cash refunds from income taxes	$ 0.3	$ 11.2		$ 7.9
Paid cash for income taxes			$ 0.4
FlyOver Iceland
Operating Loss Carryforwards [Line Items]
Valuation allowance	1.5		$ 1.5
Income tax benefit associated with carry back of net operating loss	1.0
Prior year paid taxes	$ 6.5

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount after tax of loss recognized that results from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense (benefit).

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The amount of cash received during the period as refunds for the overpayment of taxes.

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Benefit associated with the carry back of net operating loss.

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