Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Change In Discount Rate

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- Definition

Defined Benefit Plan, Five Consecutive Years Of Highest Compensation Requisite Service Period

+ References

No definition available.

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- Definition

Defined Contribution Plan, Plan Participation, Minimum Requisite Period

+ References

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- Definition

Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

+ References

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- Definition

Weighted average rate increase of compensation, used to determine benefit obligation of defined benefit plan. Plan includes, but is not limited to, pay-related defined benefit plan.

+ References

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- Definition

Amount of increase (decrease) in benefit obligation of defined benefit plan.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of contribution expected to be received by defined benefit plan from employer in next fiscal year following current fiscal year.

+ References

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- Definition

Amount of gain (loss) recognized in net periodic benefit (cost) credit from event reducing expected years of future service of present employees or eliminating accrual of defined benefits for some or all future services of present employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 45
-Paragraph 3A
-URI http://asc.fasb.org/extlink&oid=123453770&loc=SL108413299-114919

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (h)(7)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)(7)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e2709-114920

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

+ Details

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- Definition

Percentage employer matches of the employee's percentage contribution matched.

+ References

No definition available.

+ Details

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- Definition

Percentage of employer's matching contributions to a defined contribution plan that vests in a given year.

+ References

No definition available.

+ Details

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- Definition

Maximum amount the employee may contribute to a defined contribution plan.

+ References

No definition available.

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- Definition

Amount, after tax, of gain (loss) for (increase) decrease in value of benefit obligation for change in actuarial assumptions and increase (decrease) in value of plan assets from experience different from that assumed of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
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-URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580

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-Name Accounting Standards Codification
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-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e637-108580

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Benefit Plans - Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
Benefit Plans - Narrative (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]
Requisite service period		30 days
Employer matching contribution, percent of match		6.00%
Employers matching contribution, vesting percentage		100.00%
Defined contribution plan, maximum annual contributions per employee, amount		$ 130,000
Total plan contributions		$ 3,100,000	$ 5,600,000	$ 5,600,000
Period with five consecutive years of highest average compensation		10 years
Defined benefit plan, benefit Obligation, period increase (decrease)		$ (6,000,000)
Gain on curtailment of pension obligation		2,032,000	$ 0	$ 0
Defined benefit plan, actuarial gain		$ (4,000,000)
Defined benefit plan assumptions used calculating benefit obligation change in discount rate	23.00%
Rate of compensation increase	3.00%
Wyoming Refining plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate	3.25%	2.85%	2.65%	3.30%
Rate of compensation increase		0.00%	3.00%	3.00%
U.S. Oil plan
Defined Benefit Plan Disclosure [Line Items]
Discount rate		2.70%	2.35%	3.10%
Rate of compensation increase		3.00%	3.00%	3.00%
Expected future employer contributions, next fiscal year		$ 0