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SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Selling, General and Administrative Expense [Abstract]    
Compensation and benefits $ 12,506 $ 13,991
Occupancy related costs 10,273 9,083
Amortization of intangible assets 9,146 12,211
Professional services 3,730 6,740
Marketing costs 4,269 6,492
Depreciation and amortization 2,421 2,605
Other 5,356 2,494
Total $ 47,701 $ 53,616