Fair Value of Financial Instruments - Fair Value (Details) - USD ($) $ in Thousands |
Jun. 30, 2022 |
Dec. 31, 2021 |
| Fair Value Of Financial Instruments |
|
|
| Cash and cash equivalents - Book Value |
$ 46,220
|
$ 53,591
|
| Cash and cash equivalents - Fair Value |
46,220
|
53,591
|
| Restricted cash - Book Value |
8,726
|
84,260
|
| Restricted cash - Fair Value |
8,726
|
84,260
|
| Investments in available-for-sale-securities - Book Value |
220
|
219
|
| Investments in available-for-sale-securities - Fair Value |
220
|
219
|
| Senior and ship mortgage notes, net - Book Value |
(584,450)
|
(1,101,931)
|
| Senior and ship mortgage notes, net - Fair Value |
(572,943)
|
(1,142,545)
|
| Long-term debt, including current portion - Book Value |
(379,374)
|
(171,919)
|
| Long-term debt, including current portion - Fair Value |
(382,536)
|
(173,213)
|
| Loans payable to affiliate companies, including current portion and Convertible Debenture - Book Value |
(308,065)
|
(112,634)
|
| Loans payable to affiliate companies, including current portion and Convertible Debenture - Fair Value |
$ (310,269)
|
$ (112,634)
|