v2.4.0.8
Investments (Tables)
 9 Months Ended
Sep. 30, 2013
Investments [Abstract]  
Amortized Cost and Estimated Fair Value of Investmenets Held to Maturity
The following summarizes the amortized cost and estimated fair value of our investments held to maturity as of September 30, 2013 and December 31, 2012:
 
 
Amortized
Cost
 
Gross
Unrealized
Gain
 
Gross
Unrealized
(Loss)
 
Fair
Value
September 30, 2013:
(in thousands)
Current assets:
 
 
 
 
 
 
 
 Investments held to maturity
$
11,421

 
$
3

 
$
—

 
$
11,424

Non current assets:
 

 
 

 
 

 
 

Investments held to maturity
17,867

 
—

 
(20
)
 
17,847

Total
$
29,288

 
$
3

 
$
(20
)
 
$
29,271

December 31, 2012:
 

 
 

 
 

 
 

Current assets:
 

 
 

 
 

 
 

Investments held to maturity
$
2,832

 
$
—

 
$
(1
)
 
$
2,831

Non current assets:
 

 
 

 
 

 
 

Investments held to maturity
8,041

 
—

 
(9
)
 
8,032

Total
$
10,873

 
$
—

 
$
(10
)
 
$
10,863