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Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2022
Accounting Policies [Abstract]
Basis of Accounting, Policy	Accounting Policies Newly Adopted Accounting Policies. The company adopted the following accounting policies during 2022: In August 2020, FASB issued an accounting update that simplifies the accounting for convertible instruments and amends certain guidance on the computation of EPS for convertible instruments. This guidance reduces the number of accounting models used for the allocation of proceeds attributable to the issuance of a convertible instrument, thereby eliminating the beneficial conversion feature model. It is also noted that this guidance revises and eliminates certain criteria for achieving equity classification on the balance sheet. This accounting update requires entities to provide expanded disclosures about the terms and features of convertible instruments, including information about events, conditions, and circumstances that can affect how to assess the amount or timing of an entity’s future cash flows related to those instruments. The company adopted this guidance on January 1, 2022. Adoption of this guidance did not have an impact on the consolidated financial statements.

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Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).

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