Long-Term Debt (Tables)

3 Months Ended

Mar. 31, 2017

Table Text Blocks

Summary of long-term debt

(in thousands of dollars)	March 31, 2017		December 31, 2016
Revolver	$	155,000	$	178,000
2022 Notes		409,148		409,148
2023 Notes		150,000		150,000
Total principal amount		714,148		737,148
Less: unamortized discount		(5,987)		(6,240)
Less: debt issuance costs, net		(6,575)		(6,899)
Total carrying amount	$	701,586	$	724,009