FAIR VALUE MEASUREMENTS (Tables)

9 Months Ended

Sep. 30, 2020

Schedule of fair value on a recurring basis

The following table presents the Company’s assets and liabilities, measured and recognized at fair value on a recurring basis, classified under the appropriate level of the fair value hierarchy as of September 30, 2020 (in thousands):


	As of September 30, 2020
	Total carrying and estimated fair value		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Assets:
Cash and Cash Equivalents	$	200,481	$	190,483	$	9,998	$	—
Debt securities, available-for-sale	255,786		—		255,786		—
Total	$	456,267	$	190,483	$	265,784	$	—
Liabilities:
Business combination-related contingent consideration	$	71,300	$	—	$	—	$	71,300
Total	$	71,300	$	—	$	—	$	71,300


	As of December 31, 2019
	Total carrying and estimated fair value		Quoted prices in active markets (Level 1)		Significant other observable inputs (Level 2)		Significant unobservable inputs (Level 3)
Assets:
Cash and Cash Equivalents	$	62,436	$	62,436	$	—	$	—
Debt securities, available-for-sale	336,088		—		336,088		—
Total	$	398,524	$	62,436	$	336,088	$	—
Liabilities:
Business combination-related contingent consideration	70,900		—		—		70,900
Total	$	70,900	$	—	$	—	$	70,900

Schedule of summary of changes in estimated acquisition related contingent consideration

The following table sets forth a summary of changes in the estimated fair value of the Company's business combination-related contingent consideration for the nine months ended September 30, 2020 (in thousands):


	Fair Value Measurements of Acquisition-Related Contingent Consideration (Level 3)
Balance at January 1, 2020	$	70,900
Changes in the fair value of contingent consideration	7,448
Contractual payments	$	(4,549)
Contractual payments included in accrued liabilities at September 30, 2020	(2,454)
Foreign currency impact	(45)
Balance at September 30, 2020	$	71,300