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Summary of Significant Accounting Policies:Inventory Valuation (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Inventory, Net [Abstract]    
Finished goods and work in process $ 383,202 $ 413,020
Logs 33,145 45,574
Other raw materials and supplies 39,782 39,002
Inventories $ 456,129 $ 497,596