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Fair Value Measurements (Tables)
9 Months Ended
Sep. 30, 2014
Fair Value Disclosures [Abstract]  
Fair value of financial assets by level
The following table sets forth the fair value of our financial assets by level within the fair value hierarchy as noted above (in thousands):
 
September 30, 2014
 
Level I
 
Level II
 
Level III
 
Total
Financial Assets
 
Money market funds
$
244,187

 
$

 
$

 
$
244,187

Notes receivable(2)   

 

 
8,000

 
8,000

Total financial assets
$
244,187


$

 
$
8,000

 
$
252,187


 
December 31, 2013
 
Level I 
 
Level II
 
Level III
 
Total
Financial Assets
 
 
 
 
 
 
 
Money market funds
$
47,036

 
$

 
$

 
$
47,036

Money market funds – restricted cash(1)  
4,040

 

 

 
4,040

Notes receivable(2)   

 

 
4,000

 
4,000

Total financial assets
$
51,076

 
$

 
$
4,000

 
$
55,076

 
 
(1)Included in “Other assets" in the accompanying Condensed Consolidated Balance Sheets.

(2)Included in “Notes receivable” in the accompanying Condensed Consolidated Balance Sheets. There were no changes in the fair value of the Level III assets during the year ended December 31, 2013. During the three and nine months ended September 30, 2014, we increased the fair value of our Notes receivable by $4.0 million (See “Note 4 – Notes Receivable”). During the nine months ended September 30, 2014 and the year ended December 31, 2013, we had no transfers between levels of the fair value hierarchy of its assets measured at fair value. In October 2014, we received payment in full from the borrower equal to two times our outstanding principal balance as well as the unpaid accrued interest through the payment date.