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v3.20.4

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2020
Accounting Policies [Abstract] |
Inventories [Table Text Block] | Inventories included the following (work in process is not material):
|  | December 31, 2020 |  | December 31, 2019
|  | (thousands)
Finished goods and work in process |  | $ | 431,663 |  |  | $ | 413,020 |
Logs |  | 35,622 |  |  | 45,574 |
Other raw materials and supplies |  | 36,195 |  |  | 39,002 |
|  | $ | 503,480 |  |  | $ | 497,596 |
Property and Equipment [Table Text Block] | Property and equipment consisted of the following asset classes with the following general range of estimated useful lives:
|  | December 31, 2020 |  | December 31, 2019 |  | General Range of Estimated Useful Lives in Years
|  | (thousands) |  |  |  |
Land |  | $ | 47,099 |  |  | $ | 39,304 |  |  |  |  |
Buildings |  | 151,718 |  |  | 140,008 |  |  | 20 | - | 40
Improvements |  | 64,178 |  |  | 61,187 |  |  | 10 | - | 15
Mobile equipment, information technology, and office furniture |  | 178,271 |  |  | 165,445 |  |  | 3 | - | 7
Machinery and equipment |  | 687,768 |  |  | 666,467 |  |  | 7 | - | 12
Construction in progress |  | 40,606 |  |  | 34,846 |  |  |  |  |
|  | 1,169,640 |  |  | 1,107,257 |  |  |  |  |
Less accumulated depreciation |  | (708,184) |  |  | (630,308) |  |  |  |  |
|  | $ | 461,456 |  |  | $ | 476,949 |  |  |  |  |

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