Acquisition - Additional Information (Details) $ in Thousands		3 Months Ended		6 Months Ended		12 Months Ended
	May 13, 2021 USD ($) Employee t	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Business Acquisition [Line Items]
Goodwill		$ 195,461		$ 195,461		$ 164,369
Intangible assets, net		95,022		95,022		81,835
Net sales		244,911	$ 216,183	470,585	$ 447,743
Operating income		8,123	$ 9,109	25,442	$ 21,390
Georgia-Pacific Mt. Holly LLC, Georgia-Pacific's U.S. Nonwovens Business ("Mount Holly") [Member]
Business Acquisition [Line Items]
Business acquisition purchase price	$ 170,700
Annual production capacity | t	37,000
Number of employees employed by facility | Employee	140
Annual sales of acquiree						$ 100,000
Acquired intangible assets estimated remaining life	11 years
Goodwill	$ 36,045
Intangible assets, net	$ 20,000
Goodwill deductible for tax purposes, Year	15 years
Net sales				10,100
Operating income				1,300
Georgia-Pacific Mt. Holly LLC, Georgia-Pacific's U.S. Nonwovens Business ("Mount Holly") [Member] | Selling, General and Administrative Expenses [Member]
Business Acquisition [Line Items]
One-time costs		$ 3,700		$ 4,300
Georgia-Pacific Mt. Holly LLC, Georgia-Pacific's U.S. Nonwovens Business ("Mount Holly") [Member] | Minimum [Member]
Business Acquisition [Line Items]
Acquired property, plant and equipment estimated remaining lives	five years
Georgia-Pacific Mt. Holly LLC, Georgia-Pacific's U.S. Nonwovens Business ("Mount Holly") [Member] | Maximum [Member]
Business Acquisition [Line Items]
Acquired property, plant and equipment estimated remaining lives	35 years