XML 44 R34.htm IDEA: XBRL DOCUMENT v3.23.2

Income Taxes (Tables)

6 Months Ended

Jun. 30, 2023

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

The reconciliation of the statutory federal income tax rate to our effective tax rate for each of the three and six months ended June 30, 2023 and 2022 is as follows:

			Three Months Ended June 30,																		Six Months Ended June 30,
			2023									2022									2023									2022
Income Taxes at Federal Statutory Rate			$	21,426		21.0		%				$	23,507		21.0		%				$	37,341		21.0		%				$	42,330		21.0		%
Increases (Decreases) in Tax from:
State Taxes on Income, Net of Federal Tax			5,104			5.0						5,596			5.0						8,893			5.0						10,078			5.0
Production Tax Credits (PTCs)			(4,574)			(4.5)						(4,719)			(4.2)						(9,229)			(5.2)						(8,686)			(4.3)
Amortization of Excess Deferred Income Taxes			(622)			(0.6)						99			—						(1,420)			(0.8)						(1,078)			(0.5)
North Dakota Wind Tax Credit Amortization, Net of Federal Tax			(146)			(0.1)						(155)			(0.1)						(310)			(0.2)						(355)			(0.2)
Corporate-Owned Life Insurance			(460)			(0.5)						965			0.8						(878)			(0.5)						1,142			0.6
Other, Net			(666)			(0.6)						707			0.7						(1,032)			(0.5)						199			—
Income Tax Expense / Effective Tax Rate			$	20,062		19.7		%				$	26,000		23.2		%				$	33,365		18.8		%				$	43,630		21.6		%

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 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
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Paragraph 12
-Section 50
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-12

+ Details

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