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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2015
Fair Value Disclosures [Abstract]  
Assets And Liabilities Measured At Fair Value On A Recurring Basis
 
 
Carrying Amount in Consolidated Balance Sheets
 
 
 
Fair Value Measurements Using
 
 
 
Fair Value
 
Level 1
 
Level 2
 
Level 3
(in thousands)
 
March 31, 2015
Cash and cash equivalents
 
$
119,243

 
$
119,243

 
$
119,243

 
$
0

 
$
0

Cash deposit for collateralized interest rate swap
 
28,151

 
28,151

 
28,151

 
0

 
0

Interest rate swap liability
 
23,294

 
23,294

 
0

 
23,294

 
0

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
December 31, 2014
Cash and cash equivalents
 
$
103,003

 
$
103,003

 
$
103,003

 
$
0

 
$
0

Cash deposit for collateralized interest rate swap
 
27,783

 
27,783

 
27,783

 
0

 
0

Interest rate swap liability
 
23,389

 
23,389

 
0

 
23,389

 
0

Estimated Fair Value Of Long-Term Debt
 
 
March 31, 2015
 
December 31, 2014
(in thousands)
 
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
Long-term debt
 
$
373,541

 
$
417,582

 
$
363,526

 
$
388,581