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Fair Value Measurements (Tables)
 12 Months Ended
Dec. 31, 2014
FAIR VALUE MEASUREMENTS [Abstract]  
Schedule of Fair Value of Financial Instruments That Are Not Carried At Fair Value
The following table provides the carrying value and fair value of financial instruments that are not carried at fair value at December 31, 2014 and 2013:
 
 
2014
 
2013
In thousands
 
Carrying Value
 
Fair Value
 
Carrying Value
 
Fair Value
Long-term debt:
 
 
 
 
 
 
 
 
Level 1
 
$
109,024

 
$
145,188

 
$
107,093

 
$
147,822

Level 2
 
172,208

 
164,204

 
167,562

 
155,473

Total
 
$
281,232

 
$
309,392

 
$
274,655

 
$
303,295