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)
 6 Months Ended
Jun. 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 
 June 30, 
 2018
 
(in thousands)
Cash and cash equivalents
 

 
 
Cash
$
146,294

 
$
169,324

Money market funds
353,303

 
75,223

Commercial paper
—

 
38,442

Corporate debt securities
—

 
10,007

Total cash and cash equivalents
$
499,597

 
$
292,996

Short-term investments
 

 
 

Commercial paper
$
—

 
$
111,164

Corporate debt securities
1,250

 
16,627

Total short-term investments
$
1,250

 
$
127,791

Cash, cash equivalents and investments
$
500,847

 
$
420,787

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 gains, gross unrealized losses and fair value by significant investment category as of June 30, 2018. As of December 31, 2017, the adjusted cost and fair value by significant investment category are the same.
 

 
As of June 30, 2018
 
Adjusted
Cost
 
Unrealized
Losses
 
Fair
Value
 
(in thousands)
Money market funds
$
75,223

 
$
—

 
$
75,223

Commercial paper
149,606

 
—

 
149,606

Corporate debt securities
26,642

 
(8
)
 
26,634

Total cash equivalents and marketable securities
$
251,471

 
$
(8
)
 
$
251,463