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Long-Term Debt (Tables)
 6 Months Ended
Jun. 30, 2015
Debt Disclosure [Abstract]  
Maturities Of Long-Term Debt
Scheduled maturities of our long-term debt outstanding as of June 30, 2015 are as follows (in thousands):
 
Term
Loan
 
Nordea
Term Loan
 
MARAD
Debt
 
2032
Notes (1)
 
Total
 
 
 
 
 
 
 
 
 
 
Less than one year
$
30,000

 
$
35,714

 
$
5,783

 
$
—

 
$
71,497

One to two years
30,000

 
35,715

 
6,072

 
—

 
71,787

Two to three years
30,000

 
35,714

 
6,375

 
—

 
72,089

Three to four years
180,000

 
35,714

 
6,693

 
—

 
222,407

Four to five years
—

 
107,143

 
7,027

 
—

 
114,170

Over five years
—

 
—

 
60,054

 
200,000

 
260,054

Total debt
270,000

 
250,000

 
92,004

 
200,000

 
812,004

Current maturities
(30,000
)
 
(35,714
)
 
(5,783
)
 
—

 
(71,497
)
Long-term debt, less current maturities
240,000

 
214,286

 
86,221

 
200,000

 
740,507

Unamortized debt discount (2)
—

 
—

 
—

 
(17,992
)
 
(17,992
)
Long-term debt
$
240,000

 
$
214,286

 
$
86,221

 
$
182,008

 
$
722,515

 
(1)
Beginning in March 2018, the holders of our Convertible Senior Notes due 2032 may require us to repurchase these notes or we may at our option elect to repurchase these notes. The notes will mature in March 2032.
 
(2)
Our Convertible Senior Notes due 2032 will increase to their face amount through accretion of non-cash interest charges through March 2018.
Deferred Financing Costs
The following table reflects the components of our deferred financing costs (in thousands): 
 
June 30, 2015
 
December 31, 2014
 
Gross
Carrying Amount
 
Accumulated
Amortization
 
Net
 
Gross
Carrying Amount
 
Accumulated
Amortization
 
Net
 
 
 
 
 
 
 
 
 
 
 
 
Term Loan (matures June 2018)
$
3,638

 
$
(1,455
)
 
$
2,183

 
$
3,638

 
$
(1,091
)
 
$
2,547

Revolving Credit Facility (matures June 2018)
14,787

 
(5,351
)
 
9,436

 
13,275

 
(3,982
)
 
9,293

2032 Notes (mature March 2032)
3,759

 
(2,070
)
 
1,689

 
3,759

 
(1,763
)
 
1,996

MARAD Debt (matures February 2027)
12,200

 
(6,467
)
 
5,733

 
12,200

 
(6,223
)
 
5,977

Nordea Term Loan
3,607

 
(120
)
 
3,487

 
3,586

 
—

 
3,586

Total deferred financing costs
$
37,991

 
$
(15,463
)
 
$
22,528

 
$
36,458

 
$
(13,059
)
 
$
23,399
Net Interest Expense
The following table details the components of our net interest expense (in thousands): 
 
Three Months Ended
June 30,
 
Six Months Ended
June 30,
 
2015
 
2014
 
2015
 
2014
 
 
 
 
 
 
 
 
Interest expense
$
9,751

 
$
7,160

 
$
18,160

 
$
15,522

Interest income
(457
)
 
(655
)
 
(1,107
)
 
(1,372
)
Capitalized interest
(4,059
)
 
(1,988
)
 
(7,748
)
 
(5,150
)
Net interest expense
$
5,235

 
$
4,517

 
$
9,305

 
$
9,000