Debt (Tables)

9 Months Ended

Sep. 30, 2018

Debt Disclosure [Abstract]

Schedule of debt

Debt Balance, Net of Current Maturities and Unamortized Discount and Issuance Costs
(In thousands)	September 30, 2018		December 31, 2017
9.250% senior secured notes, due 2023	$	645,000	$	645,000
6.500% notes, due 2021	2,240		2,240
Total long-term debt, before debt issuance costs and discount (a)	647,240		647,240
Less:
Unamortized discount and debt issuance costs	19,048		21,336
Total long-term debt, net of current portion	$	628,192	$	625,904

(a) The estimated fair value of total long-term debt outstanding was approximately $683.7 million and $694.2 million as of September 30, 2018 and December 31, 2017, respectively.

Credit Facilities Outstanding
(In thousands)	Total Capacity		Amount Borrowed as of September 30, 2018		Outstanding Letters of Credit		Available Capacity as of September 30, 2018		Maturity Date
Asset based credit facility (b)	$	50,000	$	—	$	—	$	50,000	September 30, 2021

(b) At the option of the borrowers, loans under the asset based credit facility initially bear interest at an annual rate equal to (i) 2.00% plus LIBOR or (ii) 1.00% plus a base rate, subject to a 0.50% step-down based on the previous quarter’s excess availability.