Annual report pursuant to Section 13 and 15(d)

Fair Value (Tables)

v3.8.0.1
Fair Value (Tables)
 12 Months Ended
Dec. 31, 2017
Fair Value Disclosures [Abstract]  
Schedule of fair value of financial assets and liabilities The following fair value hierarchy tables categorize information regarding our financial assets and liabilities measured at fair value on a recurring basis at December 31, 2016 and 2017:
 
 
As of December 31, 2016
 
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
$
55,752

 
$
—

 
$
55,752

Corporate debt securities
—

 
43,361

 
43,361

Total assets measured at fair value
$
55,752

 
$
43,361

 
$
99,113

 
As of December 31, 2017
 
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
$
353,303

 
$
—

 
$
353,303

Corporate debt securities
—

 
1,250

 
1,250

Total assets measured at fair value
$
353,303

 
$
1,250

 
$
354,553