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Rate and Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2021

Regulated Operations [Abstract]

Schedule of regulatory assets

We have recorded certain costs as regulatory assets because we expect full recovery of, or are currently recovering, these costs in the rates we charge customers. These deferred costs have been excluded from rate base and, therefore, we are not earning a return on the unamortized balances. These items are detailed as follows:

		(Thousands of Dollars)
		December 31,								Remaining
Regulatory Assets		2021				2020				Recovery Periods
Retirement Benefits		$	24,926			$	45,419			Various
Income Taxes			70,427				66,759			Various
Rate Cases, Tank Painting, and Other			5,385				5,966			2-10 years
Total		$	100,738			$	118,144

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- References

No definition available.

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- Definition

Tabular disclosure of assets that are created when regulatory agencies permit public utilities to defer certain costs included in rate-setting to the balance sheet.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 715
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6501251&loc=d3e52485-110419

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 340
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44264-110382

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