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Interest Expense
 6 Months Ended
Jun. 30, 2012
Interest Expense
15.
Interest Expense
 
The following table summarizes the components of interest expense for the periods presented:
 
Three Months Ended June 30,
 
Six Months Ended June 30,
 
2012
 
2011
 
2012
 
2011
Interest on borrowings and related fees
$
14,289

 
$
13,120

 
$
28,306

 
$
23,867

Accretion on original issue discount
341

 
583

 
674

 
2,788

Amortization of debt issuance costs
694

 
895

 
1,376

 
1,962

Capitalized interest
(240
)
 
(455
)
 
(498
)
 
(990
)
 
$
15,084

 
$
14,143

 
$
29,858

 
$
27,627