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Concentrations (Details) - Schedule of revenue, Net - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total revenue, net $ 648,471 $ 428,358
Bedding [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total revenue, net 598,046 401,499
Other [Member]    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total revenue, net $ 50,425 $ 26,859