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Long-Term Compensation Plan and Stock Based Compensation - Allocation of Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Compensation expense        
Restricted stock $ 1,021 $ 549 $ 3,231 $ 1,778
Long-term compensation plan 260 280 930 1,538
Total Compensation $ 1,281 $ 829 $ 4,161 $ 3,316