Quarterly report pursuant to Section 13 or 15(d)

Cash, Cash Equivalents and Investments (Tables)

v3.10.0.1
Cash, Cash Equivalents and Investments (Tables)
 9 Months Ended
Sep. 30, 2018
Cash and Cash Equivalents [Abstract]  
Schedule of cash, cash equivalents and investments Cash, cash equivalents and investments consisted of the following:
 
 
As of 
 December 31, 
 2017
 
As of 
 September 30, 
 2018
 
(in thousands)
Cash and cash equivalents
 

 
 
Cash
$
146,294

 
$
134,862

Money market funds
353,303

 
51,273

Commercial paper
—

 
89,387

Certificates of deposit
—

 
7,504

U.S. government and government agency debt securities
—

 
4,497

Total cash and cash equivalents
$
499,597

 
$
287,523

Short-term investments
 

 
 

Commercial paper
$
—

 
$
80,915

Corporate debt securities
1,250

 
19,204

Total short-term investments
$
1,250

 
$
100,119

Cash, cash equivalents and investments
$
500,847

 
$
387,642

Summary of available-for-sale securities' adjusted cost, gross unrealized gains, gross unrealized losses and fair value by significant investment category The following table summarizes our available-for-sale securities’ adjusted cost, gross unrealized losses and fair value by significant investment category as of September 30, 2018. We had no gross unrealized gains as of September 30, 2018. As of December 31, 2017, the adjusted cost and fair value by significant investment category are the same.
 

 
As of September 30, 2018
 
Adjusted
Cost
 
Unrealized
Losses
 
Fair
Value
 
(in thousands)
Money market funds
$
51,273

 
$
—

 
$
51,273

Commercial paper
170,302

 
—

 
170,302

Certificates of deposit
7,504

 
—

 
7,504

Corporate debt securities
19,217

 
(13
)
 
19,204

U.S. government and government agency debt securities
4,497

 
—

 
4,497

Total cash equivalents and marketable securities
$
252,793

 
$
(13
)
 
$
252,780