XML 48 R32.htm IDEA: XBRL DOCUMENT v3.22.4

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense

The components of income tax expense were:

			2022						2021						2020
Current:
Federal			$	8,570					8,587						11,349
State			3,170						2,633						2,528
Deferred:
Federal			(3,223)						(3,811)						(8,073)
State			(21)						960						2,576
			$	8,496					8,369						8,380

Schedule of Effective Income Tax Rate Reconciliation

The following table reconciles income tax expense to the amount computed by applying the federal statutory rate to income before income taxes of $82,324, $68,847 and $69,895 in 2022, 2021 and 2020, respectively:

			2022						2021						2020
Income tax at federal statutory rate			$	17,288					14,458						14,678
Increase (decrease) in taxes attributable to:
State taxes, net of federal income tax benefit			5,328						4,572						4,142
Uncertain tax positions			1,483						1,678						1,351
Property flow-through			(13,091)						(8,573)						(9,215)
Capitalized merger costs			—						—						(296)
Reversal of excess deferred taxes recognized in regulatory liability			(3,885)						(3,295)						(2,912)
Pension flow-through			27						429						92
Stock-based compensation			(297)						(331)						(333)
Other items, net			1,643						(569)						873
			$	8,496					8,369						8,380

Schedule of Deferred Tax Assets and Liabilities

The components of the net deferred tax liability as of December 31 was as follows:

			2022						2021
Deferred tax assets:
Advances and contributions			$	25,462					24,584
Unamortized investment tax credit			575						599
Pensions, postretirement benefits and stock-based compensation			23,161						32,396
Debt premium, net			4,868						5,579
California franchise tax			640						514
Deferred revenue			1,444						—
Other			6,627						8,128
Total deferred tax assets			62,777						71,800
Deferred tax liabilities:
Utility plant			229,500						216,497
Pension and postretirement			17,709						24,779
Deferred gain and other-property			5,982						5,901
Regulatory asset - business combinations debt premium, net			4,868						5,579
Intangibles			2,943						3,193
Deferred revenue			—						773
Regulatory asset - income tax temporary differences, net			12,849						6,867
Section 481(a) adjustments			1,573						3,111
Other			5,508						5,551
Total deferred tax liabilities			280,932						272,251
Net deferred tax liabilities			$	218,155					200,451

Schedule of Unrecognized Tax Benefits Roll Forward

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows:

			2022						2021						2020
Balance at beginning of year			$	7,961					6,468						3,834
Increase related to tax positions taken during the current year			1,549						1,376						1,104
Increase related to tax positions taken during a prior year			—						117						1,530
Reductions related to statute expiration			(284)						—						—
Reductions related to tax positions taken in a prior year			(222)						—						—
Balance at end of year			$	9,004					7,961						6,468

X

- References

No definition available.

+ Details

Name:	us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319

+ Details

Name:	us-gaap_ScheduleOfComponentsOfIncomeTaxExpenseBenefitTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319

+ Details

Name:	us-gaap_ScheduleOfDeferredTaxAssetsAndLiabilitiesTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319

+ Details

Name:	us-gaap_ScheduleOfEffectiveIncomeTaxRateReconciliationTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the change in unrecognized tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 55
-Paragraph 217
-URI https://asc.fasb.org/extlink&oid=126976462&loc=d3e36027-109320

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-URI https://asc.fasb.org/extlink&oid=121826272&loc=SL6600010-109319

+ Details

Name:	us-gaap_ScheduleOfUnrecognizedTaxBenefitsRollForwardTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration