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Fair Value of Financial Instruments
12 Months Ended
Dec. 31, 2013
Fair Value Disclosures [Abstract]  
Fair Value of Financial Instruments
Fair Value of Financial Instruments
The fair value of a financial instrument is the amount at which the instrument could be exchanged in a current transaction between willing parties. The following table and accompanying information present the estimated fair values and classifications of our financial instruments in accordance with FASB ASC Topic 820, Fair Value Measurement, as of December 31, 2013 and 2012:
 
December 31,
 
2013
 
2012
(Amounts in thousands)
Carrying
Value
 
Fair
Value
 
Carrying
Value
 
Fair
Value
Financial assets (liabilities):
 
 
 
 
 
 
 
Restricted-use investment securities
$
1,823

 
$
1,823

 
$
1,218

 
$
1,218

Derivative instruments

 

 
32

 
32

Long-term debt (including current portion)
(1,400,603
)
 
(1,384,603
)
 
(1,405,206
)
 
(1,410,255
)

The following methods and assumptions were used to estimate the fair value of each class of financial instruments:
The carrying values of cash and cash equivalents, accounts receivable, notes receivable, accounts payable, and accrued liabilities approximate fair value because of the short maturity of these instruments.
Restricted-use investment securities consist of interest bearing bank accounts for which their carrying value approximates their fair value because of their short term maturity. The measurement of restricted-use investment securities is considered a Level 2 fair value measurement.
The fair value of derivative assets is based on market prices that generally are observable for similar assets at commonly quoted intervals and are considered Level 2 fair value measurements. Derivative assets that have maturity dates equal to or less than twelve months from the balance sheet date are included in prepaid and other current assets. Derivative assets that have maturity dates greater than twelve months from the balance sheet date are included in deposits and other assets. See Note 7 for additional information on our derivative instruments and related policies.
The fair value of long-term debt is based on market prices that generally are observable for similar liabilities at commonly quoted intervals and are considered Level 2 fair value measurements.