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Intangible Assets, net and Intangible Liabilities, net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Intangible Assets, net
Cost	$ 797	$ 797
Accumulated amortization	0	0
Total	797	797
Intangible Liabilities, net
Cost	2,723	2,723
Accumulated amortization	(546)	(466)
Total	2,177	2,257
Lease revenue	80	80	$ 81
Intangible Liabilities
2022	80
2023	80
2024	36
2025	32
2026	32
Thereafter	1,917
Total	2,177	2,257
Savannah Dock Acquisition
Intangible Liabilities, net
Carrying value	$ 797	$ 797

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