Qualified Employee Benefit Plans - Actuarial Computations Used to Determine Net Periodic Costs (Details) - Retirement Plan	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Assumptions used to determine net periodic benefit costs [Abstract]
Discount rate on benefit obligations	5.40%	5.50%	2.90%
Expected long-term rate of return on plan assets	5.25%	5.25%	5.25%

Weighted average rate of return on plan assets, reflecting average rate of earnings expected on existing plan assets and expected contributions, used to determine net periodic benefit cost of defined benefit plan.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-8

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (k)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480506/715-20-50-1

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