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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2016
Fair Value Disclosures [Abstract]  
Summary of Financial Assets and Liabilities Measured on Recurring Basis at Fair Value

A summary of the financial assets and liabilities that are measured on a recurring basis at fair value as of March 31, 2016 and December 31, 2015, is as follows (in thousands):

 

 

 

 

 

 

 

Fair Value Measurements Using

 

 

 

Carrying

 

 

Quoted Prices in

Active Markets

for Identical

Assets

 

 

Significant

Other

Observable

Inputs

 

 

Significant

Unobservable

Inputs

 

 

 

Value

 

 

(Level 1)

 

 

(Level 2)

 

 

(Level 3)

 

March 31, 2016

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds

 

$

59,341

 

 

$

 

 

$

59,341

 

 

$

 

December 31, 2015

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Money market funds

 

$

75,325

 

 

$

 

 

$

75,325

 

 

$