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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS        
Interest expense, interest capitalized $ 123 $ 199 $ 314 $ 1,265