Description Of Business And Basis Of Presentation (Schedule of Ship Operations) (Details)	12 Months Ended
	Dec. 31, 2023
Mein Schiff Herz [Member]
Description Of Business And Basis Of Presentation [Line Items]
Operation start date	Apr. 05, 2022
Operation end date	Apr. 16, 2023
Mein Schiff 6 [Member]
Description Of Business And Basis Of Presentation [Line Items]
Operation start date	Jun. 11, 2021
Operation end date	Apr. 18, 2022