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GOODWILL AND INTANGIBLE ASSETS - Schedule of Changes in Goodwill (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Goodwill [Roll Forward]    
Goodwill, beginning balance $ 367,198 $ 365,947
Adjustments associated with the acquisition of Home Solutions   1,251
Adjustments 0  
Goodwill, ending balance $ 367,198 $ 367,198