Quarterly report pursuant to Section 13 or 15(d)

Fair Value of Financial Instruments (Tables)

v3.7.0.1
Fair Value of Financial Instruments (Tables)
 3 Months Ended
Mar. 31, 2017
Fair Value Disclosures [Abstract]  
Fair Values and Related Carrying Values of Debt Instruments
  
March 31, 2017
 
December 31, 2016
Dollars in thousands
Carrying Amount
 
Fair Value
 
Carrying Amount
 
Fair Value
Long-term debt
 
 
 
 
 
 
 
6.75% Notes
$
360,000

 
$
320,400

 
$
360,000

 
$
311,400

7.50% Notes
225,000

 
210,375

 
225,000

 
201,375

Total principal
$
585,000

 
$
530,775

 
$
585,000

 
$
512,775