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Cash, Cash Equivalents and Short-term Investments
12 Months Ended
Dec. 31, 2016
Cash, Cash Equivalents and Short-term Investments  
Cash, Cash Equivalents and Short-term Investments

4. Cash, Cash Equivalents and Short-term Investments

 

Cash, cash equivalents and short-term investments consist of the following:

 

 

As of December 31,

 

 

 

2015

 

2016

 

 

 

(In thousands)

 

Cash and cash equivalents:

 

 

 

 

 

Cash

 

$

186,347

 

$

364,766

 

Cash equivalents:

 

 

 

 

 

Bank time deposits

 

51,093

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

237,440

 

364,766

 

 

 

 

 

 

 

 

 

 

 

 

 

Short-term investments:

 

 

 

 

 

Bank time deposits

 

98,439

 

31,188

 

 

 

 

 

 

 

 

 

 

 

 

 

Total cash, cash equivalents and short-term investments

 

$

335,879

 

$

395,954

 

 

 

 

 

 

 

 

 

 

The carrying amounts of cash, cash equivalents and short-term investments approximate fair value. Interest income was $8.3 million, $5.5 million and $7.6 million for the year ended December 31, 2014, 2015 and 2016, respectively. The maturity dates for the time deposits were within one year.