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Summary of Significant Accounting Policies - Goodwill and Other Intangible Assets (Details)
12 Months Ended
Dec. 31, 2021
Minimum  
Finite-Lived Intangible Assets [Line Items]  
Identifiable intangible assets, useful life 5 years
Maximum  
Finite-Lived Intangible Assets [Line Items]  
Identifiable intangible assets, useful life 10 years