XML 58 R34.htm IDEA: XBRL DOCUMENT v3.19.2
Fair Value (Tables)
6 Months Ended
Jun. 30, 2019
Fair Value Disclosures [Abstract]  
Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]
The fair value of our derivative financial instruments by level is as follows:
 
 
Fair Value at
 
Fair Value at
Asset / (Liability)
(dollars in thousands)
 
June 30, 2019
 
December 31, 2018
 
Level 1
 
Level 2
 
Level 3
 
Total
 
Level 1
 
Level 2
 
Level 3
 
Total
Commodity futures natural gas contracts
 
$

 
$
(941
)
 
$

 
$
(941
)
 
$

 
$
265

 
$

 
$
265

Interest rate swaps
 

 
(13,443
)
 

 
(13,443
)
 

 
(4,288
)
 

 
(4,288
)
Net derivative asset (liability)
 
$

 
$
(14,384
)
 
$

 
$
(14,384
)
 
$

 
$
(4,023
)
 
$

 
$
(4,023
)
Fair Value Disclosures, Carrying Value and Estimated Fair Value of Debt Instruments [Table Text Block]
Financial instruments carried at cost on the Condensed Consolidated Balance Sheets, as well as the related fair values, are as follows:
 
 
 
 
June 30, 2019
 
December 31, 2018
(dollars in thousands)
 
Fair Value
Hierarchy Level
 
Carrying Amount
 
Fair Value
 
Carrying Amount
 
Fair Value
Term Loan B
 
Level 2
 
$
378,000

 
$
291,060

 
$
380,200

 
$
362,141