Segment Information - Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable and inventories, net	$ 2,292,381	$ 1,562,440	$ 2,005,610
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable and inventories, net	2,069,639	1,413,861	1,852,965
Operating Segments | North America
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable and inventories, net	1,073,657	658,404	964,198
Operating Segments | International
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable and inventories, net	925,626	715,043	821,553
Operating Segments | American Girl
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable and inventories, net	70,356	40,414	67,214
Corporate and other expense
Segment Reporting, Asset Reconciling Item [Line Items]
Accounts receivable and inventories, net	$ 222,742	$ 148,579	$ 152,645