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Fair Value Measurements (Tables)
6 Months Ended
Jun. 30, 2015
Fair Value Disclosures [Abstract]  
Assets and liabilities measured at fair value on a recurring basis
The following table presents the Company’s assets and liabilities measured at fair value on a recurring basis at June 30, 2015, December 31, 2014 and June 30, 2014:
(in thousands)
June 30, 2015
Assets (liabilities)
Level 1
 
Level 2
 
Level 3
 
Total
Cash equivalents
$
8,943

 
$

 
$

 
$
8,943

Restricted cash
941

 

 

 
941

Commodity derivatives, net (a)
(6,960
)
 
5,011

 

 
(1,949
)
Convertible preferred securities (b)

 

 
13,300

 
13,300

Other assets and liabilities (c)
11,531

 
(2,565
)
 

 
8,966

Total
$
14,455

 
$
2,446

 
$
13,300

 
$
30,201

(in thousands)
December 31, 2014
Assets (liabilities)
Level 1
 
Level 2
 
Level 3
 
Total
Cash equivalents
$
269

 
$

 
$

 
$
269

Restricted cash
429

 

 

 
429

Commodity derivatives, net (a)
72,868

 
(46,983
)
 

 
25,885

Convertible preferred securities (b)

 

 
13,300

 
13,300

Other assets and liabilities (c)
10,869

 
(2,666
)
 

 
8,203

Total
$
84,435

 
$
(49,649
)
 
$
13,300

 
$
48,086

(in thousands)
June 30, 2014
Assets (liabilities)
Level 1
 
Level 2
 
Level 3
 
Total
Cash equivalents
$
13,364

 
$

 
$

 
$
13,364

Restricted cash
895

 

 

 
895

Commodity derivatives, net (a)
111,184

 
(42,021
)
 

 
69,163

Convertible preferred securities (b)

 

 
16,950

 
16,950

Other assets and liabilities (c)
10,662

 
(1,863
)
 

 
8,799

Total
$
136,105

 
$
(43,884
)
 
$
16,950

 
$
109,171

 
(a)
Includes associated cash posted/received as collateral
(b)
Recorded in “Other noncurrent assets” on the Company’s Condensed Consolidated Balance Sheets
(c)
Included in other assets and liabilities are deferred compensation assets (Level 1) and interest rate derivatives (Level 2)

Beginning and ending balances for the Company's fair value measurements using Level 3 inputs
A reconciliation of beginning and ending balances for the Company’s fair value measurements using Level 3 inputs is as follows:
(in thousands)
2015
 
2014
 
Convertible Preferred Securities
 
Convertible Preferred Securities
Asset at January 1,
$
13,300

 
$
25,720

Unrealized gains (losses) included in other comprehensive income

 
(5,190
)
Asset at March 31,
$
13,300

 
$
20,530

Unrealized gains (losses) included in other comprehensive income

 
(3,580
)
Asset at June 30,
$
13,300

 
$
16,950



Fair Value Inputs, Assets, Quantitative Information
The following tables summarize quantitative information about the Company's Level 3 fair value measurements as of June 30, 2015, December 31, 2014 and June 30, 2014:
Quantitative Information about Level 3 Fair Value Measurements
(in thousands)
Fair Value as of June 30, 2015
 
Valuation Method
 
Unobservable Input
 
Weighted Average
Convertible Preferred Securities
$
13,300

 
Market Approach
 
EBITDA Multiples
 
6.15

 
 
 
Income Approach
 
Discount Rate
 
14.5
%
(in thousands)
Fair Value as of December 31, 2014
 
Valuation Method
 
Unobservable Input
 
Weighted Average
Convertible Preferred Securities
$
13,300

 
Market Approach
 
EBITDA Multiples
 
7.00

 
 
 
Income Approach
 
Discount Rate
 
14.5
%
(in thousands)
Fair Value as of June 30, 2014
 
Valuation Method
 
Unobservable Input
 
Weighted Average
Convertible Preferred Securities
$
16,950

 
Market Approach
 
EBITDA Multiples
 
7.75

 
 
 
Income Approach
 
Discount Rate
 
14.5
%

Fair value of long-term debt estimated using quoted market prices or discounted future cash flows
(in thousands)
June 30,
2015

December 31,
2014
 
June 30,
2014
Fair value of long-term debt, including current maturities
$
448,298

 
$
382,139

 
$
394,670

Fair value in excess of carrying value
3,831

 
7,086

 
5,063