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Cash and Cash Equivalents, and Investments (Tables)

6 Months Ended

Jun. 30, 2020

Cash and Cash Equivalents [Abstract]

Cash, Cash Equivalents and Investments

The following tables show our cash and cash equivalents, and investments’ adjusted cost, unrealized gain, unrealized loss, and fair value as of June 30, 2020 and December 31, 2019 (in thousands):

			June 30, 2020
			Adjusted Cost						Unrealized Gain						Unrealized Loss						Fair Value
Cash and cash equivalents:
Cash			$	17,660					$	—					$	—					$	17,660
U.S. treasury securities			117,402						—						—						117,402
Money market funds			150,002						—						—						150,002
Total cash and cash equivalents			$	285,064					$	—					$	—					$	285,064
Short-term investments:
Corporate securities			$	399,894					$	2,581					$	(41)					$	402,434
U.S. treasury securities			15,042						54						—						15,096
Total short-term investments			$	414,936					$	2,635					$	(41)					$	417,530
Long-term investments:
Corporate securities			$	218,099					$	1,851					$	(214)					$	219,736
Agency bonds			60,752						9						(5)						60,756
Total long-term investments			$	278,851					$	1,860					$	(219)					$	280,492

			December 31, 2019
			Adjusted Cost						Unrealized Gain						Unrealized Loss						Fair Value
Cash and cash equivalents:
Cash			$	241,355					$	—					$	—					$	241,355
Money market funds			146,165						—						—						146,165
Total cash and cash equivalents			$	387,520					$	—					$	—					$	387,520
Short-term investments:
Commercial paper			$	7,489					$	—					$	—					$	7,489
Corporate securities			318,946						425						(78)						319,293
U.S. treasury securities			44,251						39						(4)						44,286
Agency bonds			10,000						6						—						10,006
Total short-term investments			$	380,686					$	470					$	(82)					$	381,074
Long-term investments:
Corporate securities			$	295,103					$	533					$	(158)					$	295,478
Agency bonds			14,999						6						—						15,005
Total long-term investments			$	310,102					$	539					$	(158)					$	310,483

Schedule of Available-for-sale Securities Reconciliation

The following table shows our cash equivalents and investments' adjusted cost and fair value by contractual maturity as of June 30, 2020 (in thousands):

			Adjusted Cost						Fair Value
Due in 1 year or less			$	532,338					$	534,932
Due in 1-2 years			278,851						280,492
Investments not due at a single maturity date			150,002						150,002
Total			$	961,191					$	965,426

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Tabular disclosure of the components of cash, cash equivalents, and investments.

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