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Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Rent Expenses Incurred To Related Party $ 810 $ 793 $ 807
Interest Expense, Related Party 453 262 176
Income (Loss) from discontinued operations, tax 0 0 0
Discontinued Operations      
Other Comprehensive Income (Loss), Tax 0 0 0
Continuing Operations      
Other Comprehensive Income (Loss), Tax $ 0 $ 0 $ 0