Note 1. Summary of Significant Accounting Policies Assets Held for Sale (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Other Assets [Member]
Long-Lived Assets Held-for-sale [Line Items]
Assets Held-for-sale, Not Part of Disposal Group	$ 2.1	$ 6.6

Amount of assets held-for-sale that are not part of a disposal group.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 15
-Paragraph 4
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482309/360-10-15-4

Name:	us-gaap_AssetsHeldForSaleNotPartOfDisposalGroup
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant