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Recent Accounting Pronouncements
 12 Months Ended
Dec. 31, 2020
Accounting Standards Update and Change in Accounting Principle [Abstract]  
Recent Accounting Pronouncements Recent Accounting PronouncementsIn March 2020, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update No. 2020-04, "Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting" (ASU 2020-04), which provides guidance to alleviate the burden in accounting for reference rate reform by allowing certain expedients and exceptions in applying generally accepted accounting principles to contracts, hedging relationships, and other transactions impacted by reference rate reform. The provisions of ASU 2020-04 apply only to those transactions that reference LIBOR or another reference rate expected to be discontinued due to reference rate reform. Adoption of the provisions of ASU 2020-04 is optional and is effective from March 12, 2020 through December 31, 2022. We continue to evaluate the impact of ASU 2020-04 on our consolidated financial statements, but do not currently expect a significant impact.