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Long-term Debt (Tables)
3 Months Ended
Mar. 31, 2015
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
In summary, principal balances under our long-term debt as of March 31, 2015 and December 31, 2014, consisted of the following (in thousands):
 
2015
 
2014
Term loan
$
72,656

 
$
82,500

Revolving credit loans
140,222

 
141,990

Total long-term debt
212,878

 
224,490

Less current portion
10,000

 
10,000

Long-term portion
$
202,878

 
$
214,490

Schedule of Maturities of Long-term Debt
Future minimum principal payments on our long-term debt as of March 31, 2015, are as follows (in thousands):
Years Ending 
 
Future Minimum
December 31
 
Principal Payments
2015
 
$
7,500

2016
 
10,000

2017
 
195,378

Total future minimum principal payments
 
$
212,878