Long-term Debt (Additional Information) (Details) - USD ($) $ in Thousands				1 Months Ended	12 Months Ended
	Mar. 17, 2023	Apr. 18, 2022	Jun. 23, 2017	Dec. 31, 2016	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Debt instrument carrying amount					$ 219,759	$ 240,070
Line of credit facility, expiration date		Apr. 30, 2025
Current portion of long-term debt					20,913	19,046
Long-Term Debt [Member]
Debt Instrument [Line Items]
Interest expense					15,500	17,500	$ 16,400
Senior Secured Revolving Credit Agreement [Member]
Debt Instrument [Line Items]
Borrowing term years		3 years
Line of credit					40,000
Debt Instrument, Term		3 years
Senior Secured Revolving Credit Agreement [Member] | Maximum
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 350,000
EE Revolver [Member]
Debt Instrument [Line Items]
Line of credit					40,000
Line of credit undrawn capacity					$ 310,000
EE Revolver [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Term loan facility	$ 250,000
All unsecured debt	250,000
Collateral vessel maintenance coverage	$ 750,000
Collateral vessel maintenance coverage percentage	130.00%
EE Revolver [Member] | Maximum
Debt Instrument [Line Items]
Borrowing commitment fee					0.50%
EE Revolver [Member] | Minimum
Debt Instrument [Line Items]
Borrowing commitment fee					0.375%
Experience Vessel Financing
Debt Instrument [Line Items]
Debt instrument carrying amount				$ 247,500	$ 136,119	148,500
Quarterly principal payments				$ 5,000	3,100	$ 3,100
Variable spread basis				4.20%		3.25%
Maturity Date				Dec. 31, 2026		Dec. 31, 2033
Current portion of long-term debt				$ 49,500
Debt issuance costs						$ 1,200
Debt Original issuance cost					6,000
Minimum Equity					$ 500,000
Debt To Equity Ratio					debt-to-equity ratio of 3.5 to 1
Minimum Cash Balance					$ 20,000
Remaining amount outstanding, percentage					110.00%
Debt instrument, maturity date, description				The original loan had a maturity date in 2026
Experience Vessel Financing | 3 Month LIBOR
Debt Instrument [Line Items]
Interest rate					8.00%
Variable spread basis					3.25%
2017 Bank Loans
Debt Instrument [Line Items]
Debt Service Coverage Ratio			debt service coverage ratio of at least 1.10 to 1
Insurance Deductible						$ 300
2017 Bank Loans | 6 Month LIBOR
Debt Instrument [Line Items]
Interest rate					7.60%
Variable spread basis			2.42%
Line of credit facility, expiration date			Oct. 15, 2029
Line of credit facility, maximum borrowing capacity			$ 32,800
Line of credit facility, frequency of payments			semi-annual payments
Debt issuance costs					$ 1,300
2017 Bank Loans | 3 Month LIBOR
Debt Instrument [Line Items]
Interest rate					9.30%
Variable spread basis			4.50%
Line of credit facility, expiration date			Oct. 15, 2029
Line of credit facility, maximum borrowing capacity			$ 92,800
Line of credit facility, frequency of payments			quarterly payments
Debt issuance costs					$ 4,800