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Fair Value Measurements (Tables)
3 Months Ended
Mar. 31, 2015
Fair Value Measurements [Abstract]  
Assets and liabilities measured on recurring basis
The following tables summarize liabilities measured at fair value on a recurring basis (in thousands):

Fair Value at March 31, 2015
 
Level 1
  
Level 2
  
Level 3
  
Total
 
Interest rate swap
 
$
-
  
$
(632
)
 
$
-
  
$
(632
)
                 
Fair Value at December 31, 2014
                
Interest rate swap
 
$
-
  
$
(503
)
 
$
-
  
$
(503
)
Fixed-rate debt
We had fixed-rate debt outstanding as follows (in thousands):

  
March 31,
2015
  
December 31, 2014
 
Fixed-rate debt on balance sheet
 
$
1,396
  
$
1,456
 
Estimated fair value of fixed-rate debt.
 
$
1,448
  
$
1,513