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FAIR VALUE MEASUREMENTS (Tables)
9 Months Ended
Sep. 30, 2013
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
The Company's assets measured at fair value on a recurring basis at September 30, 2013 and December 31, 2012 were as follows (in thousands):
September 30, 2013
 
 
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1)
 
Significant Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Balance at September 30, 2013
Assets:
 
 
 
 
 
 
 
 
Auction rate securities (i)
 
$

 
$

 
$
4,352

 
$
4,352

Derivative instruments (ii)
 
$

 
$
60

 
$

 
$
60

Marketable securities (iii)
 
$
11,787

 
$

 
$

 
$
11,787

Liabilities:
 
 
 
 
 
 
 
 
Derivative instruments (ii)
 
$

 
$
239

 
$

 
$
239

December 31, 2012
 
 
Quoted Prices in
Active Markets
for Identical
Assets
(Level 1)
 
Significant Other
Observable
Inputs
(Level 2)
 
Significant
Unobservable
Inputs
(Level 3)
 
Balance at
December 31,
2012
Assets:
 
 
 
 
 
 
 
 
Auction rate securities (i)
 
$

 
$

 
$
4,354

 
$
4,354

Derivative instruments (ii)
 
$

 
$
165

 
$

 
$
165

Marketable securities (iii)
 
$
11,778

 
$

 
$

 
$
11,778

Liabilities:
 
 
 
 
 
 
 
 
Derivative instruments (ii)
 
$

 
$
1,242

 
$

 
$
1,242

________________________________________________
(i)
The auction rate securities are classified as available-for-sale and the fair value of these securities was estimated utilizing a probability discounted cash flow analysis. As of September 30, 2013, all of the Company's auction rate securities continue to have AAA underlying ratings. The Company attributes the $0.3 million decline in the fair value of the securities from the original cost basis to external liquidity issues rather than credit issues. The Company assessed the decline in value to be temporary because it does not intend to sell and it is more likely than not that the Company will not have to sell the securities before their maturity. During the nine months ended September 30, 2013 and 2012, the Company recorded an unrealized pre-tax loss of less than $0.1 million and a pre-tax gain of $0.1 million, respectively, on its auction rate securities. 
(ii)
The fair value of derivatives is recorded based on the present value of cash flows using a crude oil forward rate curve.
(iii)
The fair value of marketable securities is recorded based on quoted market prices and changes in fair value were included in other comprehensive income.
Changes in auction rate securities measured at fair value on a recurring basis
The following table presents the changes in the Company’s auction rate securities measured at fair value on a recurring basis using significant unobservable inputs (Level 3) during the three and nine months ended September 30, 2013 and 2012 (in thousands):
 
 
Three Months Ended
 
Nine Months Ended
 
 
September 30,
 
September 30,
 
 
2013
 
2012
 
2013
 
2012
Balance at beginning of period
 
$
4,352

 
$
4,326

 
$
4,354

 
$
4,245

Unrealized (loss) gain included in other comprehensive income
 

 

 
(2
)
 
81

Balance at September 30,
 
$
4,352

 
$
4,326

 
$
4,352

 
$
4,326

Schedule of Derivative Instruments
The following table presents the fair value for those assets and liabilities measured at fair value as of September 30, 2013 (fair value amounts in thousands):
Financial Institution
Trade Date
 
Start Date
 
End Date
 
Barrels of oil per Month
 
Commodity
 
Floor
 
Cap
 
Upfront Costs
 
Fair Value as of September 30, 2013
Bank of America
2/7/2013
 
4/1/2014
 
4/30/2014
 
148,810

 
Brent
 
$
75.00

 
$
134.70

 

 
$
24

Bank of America
4/2/2013
 
6/1/2014
 
6/30/2014
 
148,810

 
Brent
 
75.00

 
130.00

 

 
21

Bank of America
9/11/2013
 
11/1/2014
 
11/28/2014
 
148,810

 
Brent
 
75.00

 
124.00

 

 
15

Total derivative instrument asset
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$
60

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
JP Morgan
9/11/2012
 
11/1/2013
 
11/30/2013
 
148,810

 
Brent
 
$
75.00

 
$
137.50

 

 
$
3

JP Morgan
12/7/2012
 
2/1/2014
 
2/28/2014
 
148,810

 
Brent
 
75.00

 
124.70

 

 
33

JP Morgan
3/7/2013
 
5/1/2014
 
5/31/2014
 
148,810

 
Brent
 
75.00

 
125.75

 

 
10

JP Morgan
5/6/2013
 
7/1/2014
 
7/31/2014
 
148,810

 
Brent
 
75.00

 
122.00

 

 
37

JP Morgan
7/8/2013
 
9/1/2014
 
9/30/2014
 
148,810

 
Brent
 
75.00

 
120.75

 

 
39

Bank of America
8/3/2012
 
10/1/2013
 
10/31/2013
 
148,810

 
Brent
 
75.00

 
130.00

 

 

Bank of America
10/4/2012
 
12/1/2013
 
12/31/2013
 
148,810

 
Brent
 
75.00

 
127.50

 

 
14

Bank of America
11/9/2012
 
1/1/2014
 
1/31/2014
 
148,810

 
Brent
 
75.00

 
130.00

 

 
13

Bank of America
1/8/2013
 
3/1/2014
 
3/31/2014
 
148,810

 
Brent
 
75.00

 
129.00

 

 
10

Bank of America
6/10/2013
 
8/1/2014
 
8/29/2014
 
148,810

 
Brent
 
75.00

 
120.65

 

 
66

Bank of America
8/13/2013
 
10/1/2014
 
10/31/2014
 
148,810

 
Brent
 
75.00

 
122.60

 

 
14

Total derivative instrument liability
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
$
239