XML 40 R29.htm IDEA: XBRL DOCUMENT v3.20.2
Revenue - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Accounting Policies [Line Items]        
Description of revenue timing     Substantially all of the Company's customer contracts are for a duration of less than one year and individual customer purchase orders for contractual customers are fulfilled within one year of the purchase order date.  
Warehouse Processing and Delivery Expense $ 14,154 $ 20,541 $ 32,190 $ 40,818
Maximum        
Accounting Policies [Line Items]        
Percentage sales revenue not recognized at shipment (less than) 1.00%     1.00%
Shipping and Handling        
Accounting Policies [Line Items]        
Warehouse Processing and Delivery Expense $ 4,841 $ 6,160    
Cost of Goods and Services Sold     $ 10,448 $ 12,296