Acquisitions and divestitures Contingent Earn-out obligations (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2020
Business Combination, Contingent Consideration Arrangements [Abstract]
Contingent Earn-out Obligations, Beginning balance	$ 24,057	$ 24,586
Acquisitions	5,815	11,676
Foreign currency translation	(975)	(6,358)
Fair value remeasurements	(1,990)	(2,630)
Payments or other settlements	(593)	(960)
Contingent Earn-out Obligations, Ending balance	$ 26,314	$ 26,314

Business Combination Contingent Consideration Acquisitions Fair Value Remeasurement Gain Loss

No definition available.

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- Definition

Foreign Currency Translation Adjustment For Contingent Earn-out Obligations.

+ References

No definition available.

+ Details

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- References

No definition available.

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- Definition

Amount of increase (decrease) in the value of right to a contingent consideration asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e7008-128479

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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

+ Details

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- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479

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