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RECENT ACCOUNTING GUIDANCE
12 Months Ended
Dec. 31, 2020
Accounting Standards Update and Change in Accounting Principle [Abstract]  
Recent Accounting Guidance RECENT ACCOUNTING GUIDANCE
Recently Adopted Accounting Guidance
In the third quarter of 2020, the Corporation adopted ASU 2020-04, “Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting.” The amendments provide optional expedients and exceptions for applying generally accepted accounting principles to contracts, hedging relationships and other transactions affected by reference rate reform if certain criteria are met. The new standard is effective March 12, 2020 through December 31, 2022, with the adoption date dependent upon the Corporation’s election. The Corporation has elected to apply the optional expedients and exceptions provided by the new guidance as modifications are made to relevant contracts, hedging relationships and other transactions during the reference rate reform transition period. As the amendments are intended to ease the potential burden in accounting for, or recognizing the effects of, reference rate reform on financial reporting, the application of this guidance has not and will not have a material impact on the consolidated financial statements.

Accounting Guidance Issued But Not Adopted at December 31, 2020
In December 2019, the Financial Accounting Standards Board issued ASU 2019-12, "Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes." The amendments simplify the accounting for income taxes by removing certain exceptions to the general principles of Topic 740, "Income Taxes" and improve consistent application by clarifying and amending existing guidance. The new standard is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2020. Early adoption is permitted, with the amendments to be applied on a retrospective, modified retrospective or prospective basis, depending on the specific amendment. The Corporation will adopt the new guidance in the first quarter of 2021 and the adoption is not expected to have a material impact on the consolidated financial statements.