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Interest and Finance Expense (Tables)
12 Months Ended
Dec. 31, 2020
Borrowing costs [abstract]  
Components of interest and finance expense
20202019
Interest expense$9,216 $16,879 
Finance fees2,628 2,500 
Accretion expense (Note 17)8,260 9,903 
 $20,104 $29,282