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Interest and Finance Costs Net (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of other provisions [line items] |  |
Interest income | $ 1,217 | $ 1,838
Interest expense | (1,510) | (857)
Bank stand-by and commitment fees | (369) | (415)
Accretion expense | (751) | (590)
Interest and finance (costs) income, net | (1,413) | (24)
Capitalized interest costs incurred | 9,431 | 6,005
Lindero Project [member] |  |
Disclosure of other provisions [line items] |  |
Capitalized interest costs incurred | $ 9,431 | $ 5,259

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