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Summary of Accounting Policies (Definite-lived Intangible Asset Narrative) (Details)
12 Months Ended
Dec. 31, 2021
Minimum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 3 years
Maximum [Member]  
Finite-Lived Intangible Assets [Line Items]  
Finite-Lived Intangible Asset, Useful Life 30 years