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Fair Value Measurements
9 Months Ended
Sep. 30, 2016
Fair Value Disclosures [Abstract]  
Fair Value Measurements
Fair Value Measurements

Cash and cash equivalents and investments consist of the following:
  
 
September 30,
2016
 
December 31,
2015
  
 
(In Thousands)
Cash and cash equivalents
 
  

 
  

Cash
 
$
45,149

 
$
33,764

Money market funds
 
54,921

 
54,745

Total cash and cash equivalents
 
100,070

 
88,509

Short-term investments
 
 
 
 
   Short-term investments
 
1,310

 

Long-term investments
 
  

 
  

Long-term restricted cash
 
1,181

 
2,598

Total cash and cash equivalents and investments
 
$
102,561

 
$
91,107



The inputs to the valuation techniques used to measure fair value are classified into the following categories:
Level 1 — Quoted prices in active markets for identical assets or liabilities
Level 2 — Quoted prices for similar assets and liabilities in active markets or inputs that are observable
Level 3 — Inputs that are unobservable (for example, cash flow modeling inputs based on assumptions)
As of September 30, 2016, the Company’s cash and cash equivalents of $100.1 million, short-term investments of $1.3 million, and long-term restricted cash of $1.2 million, were measured at fair value using Level 1 inputs. The short-term investments amount is included in “Prepaid expenses and other current assets” on the Condensed Consolidated Balance Sheets as of September 30, 2016. During the nine months ended September 30, 2016, there were no transfers in or out of the Company’s Level 1 assets.

Long-term restricted cash consists of a $1.2 million letter of credit collateralized by U.S. Treasury bills that are restricted as to withdrawal or use under terms of the Company’s New York office lease. Pursuant to the terms of the lease, in the three months ended September 30, 2016, the restricted cash decreased by $1.4 million as this portion of the restriction expired on the fourth anniversary (September 2016) of the lease commencement date.