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SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Selling, General and Administrative Expense [Abstract]      
Compensation and benefits $ 49,875 $ 51,043 $ 58,157
Occupancy related costs 26,042 30,851 36,371
Amortization of intangible assets 19,021 28,412 35,367
Professional services 14,975 16,950 13,421
Marketing costs 11,212 14,707 16,171
Depreciation and amortization 4,788 6,786 9,178
Other 15,163 26,921 23,977
Total $ 141,076 $ 175,670 $ 192,642