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Interest Expense (Tables)
 12 Months Ended
Dec. 31, 2019
Banking and Thrift [Abstract]  
Components of Interest Expense
The following table summarizes the components of interest expense for the periods presented:
 
Year Ended December 31,
 
2019
 
2018
 
2017
Interest on borrowings and related fees
$
36,593

 
$
32,164

 
$
6,995

Accretion of original issue discount 1
743

 
680

 
161

Amortization of debt issuance costs 2
2,611

 
2,736

 
1,961

Capitalized interest
(4,136
)
 
(9,118
)
 
(2,725
)
 
$
35,811

 
$
26,462

 
$
6,392


_____________________________________________
1
Includes accretion of original issue discount attributable to the Second Lien Facility (see Note 9).
2 
The year ended December 31, 2017 includes a total of $0.8 million of write-offs attributable to changes in the composition of financial institutions comprising the Credit Facility’s bank group in connection with amendments to the Credit Facility (see Note 9).