Background and Basis of Presentation - Revenue from Contracts with Customers (Details)	6 Months Ended
	Jun. 30, 2020
Disaggregation of Revenue [Line Items]
Revenue from contracts with customers, payment term, discount, percent	1.00%
Revenue from contracts with customers, payment term, discount, days	20 days
Minimum
Disaggregation of Revenue [Line Items]
Accounts receivable, days sales outstanding	45 days
Maximum
Disaggregation of Revenue [Line Items]
Accounts receivable, days sales outstanding	55 days
International
Disaggregation of Revenue [Line Items]
Accounts receivable, customer credit terms	120 days
Fine Paper and Packaging | Minimum
Disaggregation of Revenue [Line Items]
Accounts receivable, days sales outstanding	20 days
Revenue from contracts with customers, payment term, discount, percent	0.00%
Fine Paper and Packaging | Maximum
Disaggregation of Revenue [Line Items]
Accounts receivable, days sales outstanding	30 days
Revenue from contracts with customers, payment term, discount, percent	2.00%