Fulfillment expense (Details) - EUR (€) € in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Fulfillment expense
Employee benefits expense - Fulfillment	€ 4,109	€ 5,234	€ 12,977	€ 14,957
Fulfillment centers expense	731	1,168	2,564	3,366
Freight and shipping expense	11,783	14,305	34,277	35,189
Fulfillment expense	€ 16,623	€ 20,707	€ 49,818	€ 53,512

Fulfillment expense represents those expenses incurred in operating and staffing the Group's fulfillment and consumer service centers, including expense attributable to procuring, receiving, inspecting, and warehousing inventories and picking, packaging, and preparing consumer orders for shipment, including packaging materials. Fulfillment expense also include expense relating to consumer service operations and amounts paid to third parties who assist us in fulfillment and consumer service operations.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration