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Fair Value Measurements - Roll-Forward of Fair Value of Earn-out Consideration Categorized as Level 3 in Fair Value Hierarchy (Detail) - Business Acquisition Contingent Consideration - USD ($)
$ in Thousands

3 Months Ended

Mar. 31, 2020

Mar. 31, 2019

Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]

Opening balance

$ 22,184

$ 17,073

Payments made on earn-out consideration

^[1]

(10,000)

Others

^[2]

225

403

Closing balance

$ 22,409

$ 7,476

[1]	Includes an interest payment on earn-out consideration in excess of the acquisition date fair value, which is included in “cash flows from operating activities” amounting to $1,600 and $0 for the three months ended March 31, 2019 and 2020, respectively
[2]	Others” is comprised of interest expense included in “interest income (expense), net” and the impact of changes in foreign exchange reported in “foreign exchange gains (losses), net” in the consolidated statements of income. This also includes a cumulative translation adjustment reported as a component of “other comprehensive income (loss).”

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+ References

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- Definition

Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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