Quarterly report pursuant to Section 13 or 15(d)

BASIS OF PRESENTATION AND ACCOUNTING POLICY (Tables)

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BASIS OF PRESENTATION AND ACCOUNTING POLICY (Tables)
 9 Months Ended
Sep. 30, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Deferred revenues and related activity
Deferred revenues, the balance of which is offset in receivables, and related activity during the three and nine months ended September 30, 2014 and 2013, were as follows (in thousands): 
 
Three Months Ended 
 September 30,
 
Nine Months Ended 
 September 30,
 
2014
 
2013
 
2014
 
2013
Balance at beginning of period
$
28,477

 
$
15,620

 
$
24,243

 
$
8,953

Revenues deferred during the period
8,861

 
9,362

 
25,773

 
27,571

Revenues recognized during the period
(7,837
)
 
(4,713
)
 
(20,515
)
 
(16,255
)
Balance at end of period
$
29,501

 
$
20,269

 
$
29,501

 
$
20,269