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Business Description And Significant Accounting Policies: Materials, Supplies and Fuel (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Inventory, Net [Abstract]
Materials and supplies	$ 86,400	$ 85,250
Fuel	1,267	1,531
Natural gas in storage	63,312	30,619
Total materials, supplies and fuel	$ 150,979	$ 117,400

X

- Definition

Carrying amount as of the balance sheet date of natural gas in storage, which is a mixture of gases (liquefied or otherwise), used for fuel and manufacturing purposes, which is ready for sale.

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Amount of fossil fuel included in inventory classified as other.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Gross amount of unprocessed materials to be used in manufacturing or production process and supplies that will be consumed.

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