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Summary of Significant Accounting Policies:Labor Concentration and Unions (Details)	12 Months Ended
	Dec. 31, 2019 employee Integer6
Concentration Risk [Line Items]
Entity Number of Employees	6,020
Number of collective bargaining arrangements | Integer6	10
Workforce Subject to Collective Bargaining Arrangements [Member] | Unionized Employees Concentration Risk [Member]
Concentration Risk [Line Items]
Concentration Risk, Percentage	23.00%
Workforce Subject to Collective Bargaining Arrangements Expiring within One Year [Member] | Unionized Employees at the Elgin Plywood Plant, Kettle Falls Plywood Plant and Woodenville BMD Facility [Member]
Concentration Risk [Line Items]
Entity Number of Employees	450
Workforce Subject to Collective Bargaining Arrangements Expiring within One Year [Member] | Unionized Employees at the Billings BMD Facility [Member]
Concentration Risk [Line Items]
Entity Number of Employees	35

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- Definition

The number of collective bargaining arrangements the entity is subject to.

+ References

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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