XML 163 R16.htm IDEA: XBRL DOCUMENT v3.22.4

Intangible Assets

12 Months Ended

Dec. 31, 2022

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible Assets

Intangible Assets

The Company has a coal supply agreement intangible asset which is subject to amortization based on units of production over the term of the lignite sales agreement which expires in 2032. The gross and net balances are set forth in the following table:

			Gross Carrying Amount						Accumulated Amortization						Net Balance
Balance at December 31, 2022
Coal supply agreement			$	84,200					$	(56,145)					$	28,055
Balance at December 31, 2021
Coal supply agreement			$	84,200					$	(52,426)					$	31,774

Amortization expense for intangible assets was $3.7 million and $3.6 million in 2022 and 2021, respectively.

Expected annual amortization expense of the coal supply agreement is $3.2 million in 2023, $3.1 million in 2024 and $3.0 million in 2025 through 2027.

X

- References

No definition available.

+ Details

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

X

- Definition

The entire disclosure for goodwill and intangible assets.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-URI https://asc.fasb.org/topic&trid=2144416

+ Details

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