Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2019

Fair Value Disclosures [Abstract]

Financial Assets and Liabilities Measured at Fair Value on Recurring Basis

As of March 31, 2019, the following table represents the Company’s liabilities measured at fair value on a recurring basis and the basis for that measurement (in thousands):

	Carrying Value March 31, 2019		Fair Value Measurement March 31, 2019		Quoted Prices in Active Markets for Identical Asset (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Liabilities:
Derivative liabilities (other current liabilities)	$	721	$	721		—	$	721		—

As of December 31, 2018, the following table represents the Company’s liabilities measured at fair value on a recurring basis and the basis for that measurement (in thousands):

	Carrying Value December 31, 2018		Fair Value Measurement December 31, 2018		Quoted Prices in Active Markets for Identical Asset (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Liabilities:
Derivative liabilities (other current liabilities)	$	724	$	724		—	$	724		—

Schedule of Fair Value of Long-term Borrowings

Fair Value of Long-term Borrowings

	March 31, 2019				December 31, 2018
	Carrying Value		Fair Value		Carrying Value		Fair Value
	(In thousands of US dollars)
Long-term Borrowings:
5.0% Exchangeable Senior Notes due March 2021 (Level 2)	$	80,889	$	97,666	$	81,418	$	86,835
6.625% Senior Notes due July 2021 (Level 2)	$	222,126	$	213,038	$	222,159	$	202,046