Annual report pursuant to Section 13 and 15(d)

Fair Value (Tables)

v3.3.1.900
Fair Value (Tables)
 12 Months Ended
Dec. 31, 2015
Fair Value Disclosures [Abstract]  
Schedule of fair value of financial assets and liabilities
The fair value of these financial assets and liabilities was determined using the following inputs at December 31, 2014 and 2015:
 
 
As of December 31, 2014
 
Fair Value Measurement Using
 
Quoted Prices in
Active Markets
for Identical
Instruments (Level 1)
 
Significant Other
Observable
Inputs
(Level 2)
 
Total
 
(in thousands)
Assets
 

 
 

 
 

Money market funds
$
89,113

 
$
—

 
$
89,113

Commercial paper
—

 
54,792

 
54,792

Corporate debt securities
—

 
234,697

 
234,697

U.S. government and government agency debt securities
—

 
7,742

 
7,742

Total assets measured at fair value
$
89,113

 
$
297,231

 
$
386,344

 
As of December 31, 2015
 
Fair Value Measurement Using
 
Quoted Prices in
Active Markets
for Identical
Instruments (Level 1)
 
Significant Other
Observable
Inputs
(Level 2)
 
Total
 
(in thousands)
Assets
 

 
 

 
 

Money market funds
$
180,021

 
$
—

 
$
180,021

Commercial paper
—

 
35,881

 
35,881

Corporate debt securities
—

 
79,421

 
79,421

U.S. government and government agency debt securities
—

 
17,196

 
17,196

Total assets measured at fair value
$
180,021

 
$
132,498

 
$
312,519