Segment Information - Additional Information (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($) Mill	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) Mill	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Segment Reporting Information [Line Items]
Number of pulp mills | Mill	4		4
Assets	$ 2,484,462		$ 2,484,462		$ 2,662,578
Investment in joint ventures	3,984		3,984		41,665
Revenues	499,384	$ 529,863	1,052,814	$ 1,052,529
Goodwill	0		0		35,381
Operating Segments | Market Pulp
Segment Reporting Information [Line Items]
Assets	1,651,817		1,651,817		1,727,851
Revenues	367,371	402,694	799,775	803,095
Operating Segments | Solid Wood
Segment Reporting Information [Line Items]
Assets	641,790		641,790		696,551
Revenues	130,238	126,050	249,261	247,064
Goodwill					35,381
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Assets	190,855		190,855		$ 238,176
Revenues	1,775	1,119	3,778	2,370
Intersegment Eliminations | Market Pulp
Segment Reporting Information [Line Items]
Revenues	111	170	271	544
Intersegment Eliminations | Solid Wood
Segment Reporting Information [Line Items]
Revenues	$ 9,149	$ 10,986	$ 18,871	$ 22,141