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Benefit Plans - Target Asset Allocation Percentages (Details)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Benefit Plan
Actuarial long term rate on plan assets	7.00%
Large-Cap stocks
Benefit Plan
Defined Benefit Plan, Target Allocation Percentage	Not to exceed 68%	Not to exceed 68%
Small-Cap stocks
Benefit Plan
Defined Benefit Plan, Target Allocation Percentage	Not to exceed 23%	Not to exceed 23%
Mid-Cap stocks
Benefit Plan
Defined Benefit Plan, Target Allocation Percentage	Not to exceed 23%	Not to exceed 23%
International equity securities
Benefit Plan
Defined Benefit Plan, Target Allocation Percentage	Not to exceed 30%	Not to exceed 30%
Fixed income investments
Benefit Plan
Defined Benefit Plan, Target Allocation Percentage	Not to exceed 35%	Not to exceed 35%
Alternative investments
Benefit Plan
Defined Benefit Plan, Target Allocation Percentage	Not to exceed 19%	Not to exceed 19%

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- References

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- Definition

Percentage used to determine overall expected long-term rate-of-return assumption for plan asset of defined benefit plan.

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- Definition

Description of investment policy and strategy for defined benefit plan asset. Includes, but is not limited to, investment allocation decision and factor pertinent to understanding investment policy and strategy for plan asset. Factor includes, but is not limited to, investment goal, risk management practice, permitted and prohibited investment including use of derivative, diversification, and relationship between plan asset and obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920

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