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Financial Instruments and Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2017
Fair Value Disclosures [Abstract]  
Fair Value Measurements for Assets and Liabilities at Fair Value on Recurring Basis
The following table summarizes fair value measurements by level at December 31, 2017 and 2016, for assets and liabilities measured at fair value on a recurring basis:
(Dollar amounts in thousands)
Level 1
 
Level 2
 
Level 3
 
Total
December 31, 2017
 
 
 
 
 
 
 
Financial asset:
 
 
 
 
 
 
 
Interest rate swap
$

 
$
214

 
$

 
$
214

December 31, 2016
 
 
 
 
 
 
 
Financial liability:
 
 
 
 
 
 
 
Interest rate swap
$

 
$
1,964

 
$

 
$
1,964

Carrying Value and Estimated Fair Values for Financial Instruments
The following table presents the carrying value, as applicable, and estimated fair values for financial instruments at December 31, 2017 and 2016:

 
December 31,
 
2017
 
2016
(Dollar amounts in thousands)
Carrying
Amount
 
Fair
Value
 
Carrying
Amount
 
Fair
Value
Financial assets:
 
 
 
 
 
 
 
Interest rate swap
$
214

 
$
214

 
$

 
$

Financial liabilities:
 
 
 
 
 
 
 
Interest rate swap

 

 
1,964

 
1,964

Senior Secured Term B Loan
376,395

 
370,540

 
378,074

 
383,491

2018 Term A Loan
26,690

 
26,027

 
28,721

 
29,268

2020 Term A Loan
200,653

 
196,584

 
212,661

 
213,872