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Long-Term Debt (Tables)
 12 Months Ended
Dec. 31, 2016
Debt Disclosure [Abstract]  
Schedule of long-term debt
Long-term debt consisted of the following (in thousands):
 
December 31,
 
2016
 
2015
Revolving credit facility due November 2020
$
99,000

 
$
166,500

 
 
 
 
Partnership’s revolving credit facility due May 2018
509,500

 
580,500

 
 
 
 
Partnership’s term loan facility due May 2018
150,000

 
150,000

Less: Deferred financing costs, net of amortization
(353
)
 
(602
)
 
149,647

 
149,398

 
 
 
 
Partnership’s 6% senior notes due April 2021
350,000

 
350,000

Less: Debt discount, net of amortization
(3,213
)
 
(3,862
)
Less: Deferred financing costs, net of amortization
(4,366
)
 
(5,396
)
 
342,421

 
340,742

 
 
 
 
Partnership’s 6% senior notes due October 2022
350,000

 
350,000

Less: Debt discount, net of amortization
(4,076
)
 
(4,673
)
Less: Deferred financing costs, net of amortization
(4,768
)
 
(5,585
)
 
341,156

 
339,742

 
—

 
 
Long-term debt
$
1,441,724

 
$
1,576,882
Summary of contractual maturities of long-term debt (excluding interest to be accrued thereon)
Contractual maturities of long-term debt (excluding interest to be accrued thereon) at December 31, 2016 are as follows (in thousands):

 
December 31,
2016
2017
$
—

2018 (1)
659,500

2019
—

2020
99,000

2021 (1)
350,000

Thereafter (1)
350,000

Total debt (1)
$
1,458,500

 

(1) 
These amounts include the full face value of the Partnership’s term loan, 2013 Notes and 2014 Notes and have not been reduced by the aggregate unamortized discount of $7.3 million and the aggregate unamortized deferred financing costs, net of $9.5 million as of December 31, 2016.