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Long-Term Compensation Plan and Stock Based Compensation - Allocation of Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Compensation expense        
Restricted stock $ 860 $ 677 $ 2,210 $ 1,229
Long-term compensation plan 305 755 670 1,258
Total Compensation $ 1,165 $ 1,432 $ 2,880 $ 2,487