Acquisitions and Dispositions - Schedule of Measurement Period Adjustments (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 31, 2019	Dec. 31, 2019
Business Acquisition [Line Items]
Goodwill		$ (215)
Conitex Sonoco
Business Acquisition [Line Items]
Trade accounts receivable	$ (77)
Inventories	0
Property, plant and equipment	(199)
Goodwill	2,246
Other intangible assets	300
Accrued expenses and other	(1,782)
Other net tangible assets/(liabilities)	(404)
Additional cash consideration	84
Compositub
Business Acquisition [Line Items]
Trade accounts receivable	203
Inventories	50
Property, plant and equipment	(1,026)
Goodwill	(566)	(566)
Other intangible assets	1,888
Accrued expenses and other	(138)
Other net tangible assets/(liabilities)	(40)
Additional cash consideration	371
Highland Packaging Solutions
Business Acquisition [Line Items]
Trade accounts receivable	0
Inventories	0
Property, plant and equipment	1,895
Goodwill	(1,895)	$ (1,895)
Other intangible assets	0
Accrued expenses and other	0
Other net tangible assets/(liabilities)	0
Additional cash consideration	$ 0