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Intangible Assets, Goodwill and Other (Policies)	12 Months Ended
Intangible Assets, Goodwill and Other (Policies)	Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill, Method for Fair Value Determination	The income approach as well as the market approach were utilized by an independent third party to determine the fair value of the Corporation’s goodwill.