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Interest Expense
 12 Months Ended
Dec. 31, 2016
Banking and Thrift [Abstract]  
Interest Expense
Interest Expense
The following table summarizes the components of interest expense for the periods presented:
 
Successor
 
 
Predecessor
 
Period From January 13, 2016
 
 
Period From January 1, 2016
 
Year Ended December 31,
 
Through December 31, 2016
 
 
Through September 12, 2016
 
2015
 
2014
Interest on borrowings and related fees 1
$
678

 
 
$
36,012

 
$
92,490

 
$
91,866

Amortization of debt issuance costs 2
226

 
 
22,189

 
4,749

 
4,197

Capitalized interest
(25
)
 
 
(183
)
 
(6,288
)
 
(7,232
)
 
$
879

 
 
$
58,018

 
$
90,951

 
$
88,831


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1 Absent the bankruptcy proceedings and the corresponding suspension of the accrual of interest on unsecured debt, we would have recorded total contractual interest expense of $66.1 million for the period from January 1, 2016 through September 12, 2016, including $15.3 million attributable to the 2019 Senior Notes and $46.3 million attributable to the 2020 Senior Notes.
2  
Includes $20.5 million related to the accelerated write-off of unamortized debt issuance costs associated with the RBL and Senior Notes (see Note 11).