Goodwill	12 Months Ended
Dec. 31, 2021
Goodwill.
Goodwill	9. Goodwill Goodwill represents the excess of the purchase price over the fair value of net tangible and intangible assets acquired in a business combination. Changes in the value of goodwill at December 31, 2021 as compared to December 31, 2020 were immaterial and driven primarily by changes in exchange rates associated with goodwill balances denominated in foreign currencies.

The entire disclosure for goodwill.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-URI http://asc.fasb.org/subtopic&trid=2144439

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