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STOCK-BASED AWARDS (Details) - USD ($)
3 Months Ended 12 Months Ended
May 13, 2021
Mar. 31, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Common Stock, Shares Authorized     100,000,000 100,000,000  
Stock-based compensation expense     $ 11,133,000 $ 7,841,000 $ 16,160,000
Weighted Average Grant Date Fair Value          
Common stock, shares issued (in shares)     46,625,000 46,331,000  
Share-based Compensation Arrangement by Share-based Payment Award Monetary Cap $ 21,250        
Share-based Compensation Arrangement by Share-based Payment Award Offering Period Duration 24 months        
Share-based Compensation Arrangement by Share-based Payment Award Number of Six Month Purchase Periods 6 months        
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent 85.00%        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 3,000,000        
Stock Issued During Period, Shares, Employee Stock Purchase Plans     0    
Employee Benefits and Share-based Compensation     $ 863,000    
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Employee Subscription Rate 25.00%        
Cost of goods sold — retail          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense     102,000 $ 169,000 212,000
Sales and marketing          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense     987,000 799,000 1,915,000
Technology [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense     3,799,000 1,654,000 5,245,000
General and administrative          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Stock-based compensation expense     $ 6,245,000 $ 5,219,000 $ 8,788,000
Restricted stock awards          
Units          
Outstanding-beginning of year (in shares)   559,000 639,000 1,051,000 559,000
Granted at fair value (in shares)     415,000 484,000 982,000
Vested (in shares)     (294,000) (710,000) (270,000)
Forfeited (in shares)     (97,000) (186,000) (220,000)
Outstanding-end of period (in shares)     663,000 639,000 1,051,000
Weighted Average Grant Date Fair Value          
Outstanding-beginning of year (in dollars per share)   $ 44.08 $ 17.98 $ 26.22 $ 44.08
Granted at fair value (in dollars per share)     92.29 10.39 17.80
Vested (in dollars per share)     24.88 23.58 34.92
Forfeited (in dollars per share)     52.26 23.43 23.36
Outstanding-end of period (in dollars per share)     $ 56.37 $ 17.98 $ 26.22
Restricted stock awards | Equity Incentive Plan, One-Year Vesting [Member]          
Units          
Granted at fair value (in shares)   502,765      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instrument Other Than Option, Cumulative Grant Date Fair Value   $ 8,600,000      
Weighted Average Grant Date Fair Value          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period         1 year