Overview and Basis of Presentation - Narrative (Details) $ in Thousands		1 Months Ended	3 Months Ended
		May 31, 2020 USD ($)	Mar. 31, 2020 USD ($) Segment	Apr. 30, 2020 USD ($)	Mar. 17, 2020 USD ($)	Dec. 31, 2019 USD ($)
Overview And Summary Of Significant Accounting Policies [Line Items]
Number of reportable segments | Segment			3
Non-cash goodwill impairment charge			$ 72,686
Non-cash impairment charges			15,700
Provision for credit losses			$ 2,800
Percentage of non equity ownership related redeemable noncontrolling interests			54.50%
Maximum
Overview And Summary Of Significant Accounting Policies [Line Items]
Lease expiration period			25 years
Maximum | Land
Overview And Summary Of Significant Accounting Policies [Line Items]
Lease expiration period			42 years
Glacier Park Inc
Overview And Summary Of Significant Accounting Policies [Line Items]
Percentage of non-equity ownership related to non-redeemable noncontrolling interests			20.00%
Mountain Park Lodges
Overview And Summary Of Significant Accounting Policies [Line Items]
Percentage of non-equity ownership related to non-redeemable noncontrolling interests			40.00%
Geothermal Lagoon Attraction
Overview And Summary Of Significant Accounting Policies [Line Items]
Percentage of non-equity ownership related to non-redeemable noncontrolling interests			49.00%
Subsequent Event
Overview And Summary Of Significant Accounting Policies [Line Items]
Proceeds from Life Insurance Policy		$ 24,800
2018 Credit Agreement | Revolving Credit Facility
Overview And Summary Of Significant Accounting Policies [Line Items]
Remaining borrowing capacity on line of credit					$ 123,000
Repayments of lines of credit			$ 32,000
2018 Credit Agreement | Revolving Credit Facility | Subsequent Event
Overview And Summary Of Significant Accounting Policies [Line Items]
Remaining borrowing capacity on line of credit				$ 31,000
2018 Credit Agreement | Revolving Credit Facility
Overview And Summary Of Significant Accounting Policies [Line Items]
Remaining borrowing capacity on line of credit			33,800		$ 123,000
Revolving credit facility, balance outstanding	[1]		412,551			$ 311,464
Line of credit facility financial covenants			$ 5,300
2018 Credit Agreement | Revolving Credit Facility | Subsequent Event
Overview And Summary Of Significant Accounting Policies [Line Items]
Remaining borrowing capacity on line of credit				$ 31,000

[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.