Segment Information - Schedule of Results by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total revenues	$ 592,741	$ 412,720
Operating income (loss)	122,351	51,029
Depreciation and amortization	32,116	30,967
Total assets	2,456,944		$ 2,351,232
Pulp
Segment Reporting Information [Line Items]
Total revenues	446,911	317,582
Lumber
Segment Reporting Information [Line Items]
Total revenues	96,130	67,311
Energy and Chemicals
Segment Reporting Information [Line Items]
Total revenues	46,210	26,265
Wood Residuals
Segment Reporting Information [Line Items]
Total revenues	3,490	1,562
Operating Segments | Market Pulp
Segment Reporting Information [Line Items]
Total revenues	485,931	339,756
Operating income (loss)	86,236	25,296
Depreciation and amortization	27,684	27,046
Total assets	1,841,105		1,882,078
Operating Segments | Wood Products
Segment Reporting Information [Line Items]
Total revenues	101,033	70,987
Operating income (loss)	40,479	27,977
Depreciation and amortization	3,637	3,723
Total assets	289,080		258,965
Operating Segments | Pulp | Market Pulp
Segment Reporting Information [Line Items]
Total revenues	446,911	317,582
Operating Segments | Pulp | Wood Products
Segment Reporting Information [Line Items]
Total revenues	0	0
Operating Segments | Lumber | Market Pulp
Segment Reporting Information [Line Items]
Total revenues	0	0
Operating Segments | Lumber | Wood Products
Segment Reporting Information [Line Items]
Total revenues	92,366	67,311
Operating Segments | Energy and Chemicals | Market Pulp
Segment Reporting Information [Line Items]
Total revenues	39,020	22,174
Operating Segments | Energy and Chemicals | Wood Products
Segment Reporting Information [Line Items]
Total revenues	5,177	2,114
Operating Segments | Wood Residuals | Market Pulp
Segment Reporting Information [Line Items]
Total revenues	0	0
Operating Segments | Wood Residuals | Wood Products
Segment Reporting Information [Line Items]
Total revenues	3,490	1,562
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Total revenues	5,777	1,977
Operating income (loss)	(4,364)	(2,244)
Depreciation and amortization	795	198
Total assets	326,759		$ 210,189
Corporate, Non-Segment | Pulp
Segment Reporting Information [Line Items]
Total revenues	0	0
Corporate, Non-Segment | Lumber
Segment Reporting Information [Line Items]
Total revenues	3,764	0
Corporate, Non-Segment | Energy and Chemicals
Segment Reporting Information [Line Items]
Total revenues	2,013	1,977
Corporate, Non-Segment | Wood Residuals
Segment Reporting Information [Line Items]
Total revenues	0	0
United States
Segment Reporting Information [Line Items]
Total revenues	106,254	91,723
United States | Operating Segments | Market Pulp
Segment Reporting Information [Line Items]
Total revenues	48,162	45,872
United States | Operating Segments | Wood Products
Segment Reporting Information [Line Items]
Total revenues	54,100	45,092
United States | Corporate, Non-Segment
Segment Reporting Information [Line Items]
Total revenues	3,992	759
Germany
Segment Reporting Information [Line Items]
Total revenues	161,762	104,654
Germany | Operating Segments | Market Pulp
Segment Reporting Information [Line Items]
Total revenues	140,054	92,537
Germany | Operating Segments | Wood Products
Segment Reporting Information [Line Items]
Total revenues	21,708	12,117
Germany | Corporate, Non-Segment
Segment Reporting Information [Line Items]
Total revenues	0	0
China
Segment Reporting Information [Line Items]
Total revenues	146,180	95,912
China | Operating Segments | Market Pulp
Segment Reporting Information [Line Items]
Total revenues	145,998	95,535
China | Operating Segments | Wood Products
Segment Reporting Information [Line Items]
Total revenues	182	377
China | Corporate, Non-Segment
Segment Reporting Information [Line Items]
Total revenues	0	0
Other Countries
Segment Reporting Information [Line Items]
Total revenues	178,545	120,431
Other Countries | Operating Segments | Market Pulp
Segment Reporting Information [Line Items]
Total revenues	151,717	105,812
Other Countries | Operating Segments | Wood Products
Segment Reporting Information [Line Items]
Total revenues	25,043	13,401
Other Countries | Corporate, Non-Segment
Segment Reporting Information [Line Items]
Total revenues	1,785	1,218
Foreign Countries
Segment Reporting Information [Line Items]
Total revenues	486,487	320,997
Foreign Countries | Operating Segments | Market Pulp
Segment Reporting Information [Line Items]
Total revenues	437,769	293,884
Foreign Countries | Operating Segments | Wood Products
Segment Reporting Information [Line Items]
Total revenues	46,933	25,895
Foreign Countries | Corporate, Non-Segment
Segment Reporting Information [Line Items]
Total revenues	$ 1,785	$ 1,218