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Date when the debt instrument is scheduled to be fully repaid, in YYYY-MM-DD format.

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Long-term Debt (Narrative III)) (Details) - USD ($)				12 Months Ended
Long-term Debt (Narrative III)) (Details) - USD ($)	Oct. 18, 2024	Apr. 19, 2023	Jan. 04, 2017	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jul. 06, 2023	Jun. 26, 2023	Apr. 12, 2023
Debt Instrument [Line Items]
Loss on extinguishment of debt (Note 8)				$ (3,475,000)	$ (748,000)	$ (435,000)
Gain/(loss) from interest rate swap				274,000	(439,000)	$ 0
Fair value of derivatives				0	129,000
Fair value of derivatives (Note 2 (dd))				134,000	568,000
Export-Import Bank of China [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Proceeds from issuance of secured debt			$ 57,240,000
Periodic payment, principal				$ 954,000
Maturity date				Jan. 04, 2032
DNB Bank ASA [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Periodic payment, principal				$ 3,846,000
Maturity date				Dec. 27, 2029
Notional amount, percent of loan							30.00%
Interest rate swap, fair value				$ 165,000	439,000
Gain/(loss) from interest rate swap				$ 274,000	$ (439,000)
Loan amount								$ 100,000,000
Danish Ship Finance A/S [Member]
Debt Instrument [Line Items]
Proceeds from issuance of secured debt		$ 100,000,000
Periodic payment, principal	$ 2,533,000	3,301,000
Balloon installments	$ 14,323,000	$ 33,972,000
Maturity date	Apr. 18, 2031
Loan amount									$ 100,000,000