Other Benefits (Details) - Phantom Share Units (PSUs) [Member] - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Compensation Related Costs [Abstract]
Deferred Compensation Cash-Based Arrangements, Liability, Current and Noncurrent	$ 7,300		$ 7,300		$ 17,300
Deferred Compensation Cash-Based Arrangements, Liability, Current					10,900
Deferred Compensation Cash-Based Arrangements, Liability, Classified, Noncurrent					6,400
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period			3 years
Other Deferred Compensation Arrangements, Liability, Classified, Noncurrent	9,100		$ 9,100		22,700
Share-based Payment Arrangement, Expense	(400)	$ 600	(200)	$ 6,300
Deferred Compensation Cash-Based Arrangements, Liability, Current					10,900
Deferred Compensation Cash-Based Arrangements, Liability, Current and Noncurrent	7,300		7,300		17,300
Deferred Compensation Cash-Based Arrangements, Liability, Classified, Noncurrent					$ 6,400
Share-based Payment Arrangement, Expense	$ (400)	$ 600	$ (200)	$ 6,300

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- References

No definition available.

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements payable within one year (or the normal operating cycle, if longer). Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 25
-Paragraph 15
-URI https://asc.fasb.org/extlink&oid=123585891&loc=d3e19793-108362

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 710
-SubTopic 10
-Section 30
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=6409875&loc=d3e20028-108363

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements payable after one year (or the normal operating cycle, if longer). Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date.

+ References

No definition available.

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- Definition

Aggregate carrying value as of the balance sheet date of the liabilities for deferred compensation arrangements. Represents currently earned compensation under cash arrangements (such as a profit-sharing plan, rabbi trust, and employee contract--excluding equity-based arrangements) that is not actually paid until a later date.

+ References

No definition available.

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- Definition

Amount of the liabilities, classified as other, for deferred compensation arrangements payable after one year or the operating cycle, if longer.

+ References

No definition available.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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