Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2019

Fair Value Disclosures [Abstract]

Fair Value Measurements

The following tables summarize the fair value of financial assets and liabilities that are measured at fair value and the classification by level of input within the fair value hierarchy:

	FAIR VALUE MEASUREMENTS AS OF
	September 30, 2019
(in thousands)	LEVEL 1		LEVEL 2		LEVEL 3		TOTAL
Cash and cash equivalents:
Cash and money market funds	$	248,702	$	—	$	—	$	248,702
Total cash and cash equivalents:	$	248,702	$	—	$	—	$	248,702
Investments:
Commercial paper	$	—	$	39,527	$	—	39,527
Corporate bonds	—		57,568		—		57,568
Total investments	$	—	$	97,095	$	—	$	97,095
Total cash, cash equivalents and investments:	$	248,702	$	97,095	$	—	$	345,797

	FAIR VALUE MEASUREMENTS AS OF
	December 31, 2018
(in thousands)	LEVEL 1		LEVEL 2		LEVEL 3		TOTAL
Cash and cash equivalents:
Cash and money market funds	$	202,818	$	—	$	—	$	202,818
Total cash and cash equivalents:	$	202,818	$	—	$	—	$	202,818