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Summary of Significant Accounting Policies - Goodwill and Other Acquired Intangible Assets (Details)
$ in Millions
12 Months Ended
Dec. 31, 2022
USD ($)
item
segment
Summary of Significant Accounting Policies  
Number of reportable segments | segment 1
Number of reporting units | item 1
Indefinite-lived intangible assets other than goodwill | $ $ 0.0