Debt Arrangements (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Schedule of Debt Obligations

The Company’s debt obligations consist of the following:

	March 31, 2019			December 31, 2018
Senior Secured Notes	$	358,079		$	365,481
Variable Funding Note, net of original issue discount		96,298			95,273
Senior Secured Term Loan, net of original issue discount		171,355			171,137
5.75% Convertible Notes(1)		26,307			48,076
Unamortized debt issuance costs		(3,981	)		(4,738	)
Total debt		648,058			675,229
Less current maturities		61,391			54,263
Total long-term debt	$	586,667		$	620,966

⁽¹⁾ Reflects the debt carrying amount which is accounted for under the Fair Value Option in the condensed consolidated balance sheet as of March 31, 2019 and December 31, 2018.  The actual principal outstanding balance of the 5.75% Convertible Notes is $105.7 million and $109.7 million as of March 31, 2019 and December 31, 2018, respectively.

Company's Debt Maturities on Calendar Year Basis

As of March 31, 2019, the Company’s debt maturities on a calendar year basis are as follows:

	Total		April 1 through December 31, 2019		2020		2021		2022		2023		Thereafter
Senior Secured Notes	$	358,079	$	35,291	$	42,693	$	42,693	$	42,693	$	42,693	$	152,016
Variable Funding Notes(1)	$	96,298		—		—		—		—		—		96,298
Senior Secured Term Loan(2)	$	171,355		10,606		19,284		19,284		122,181		—		—
5.75% Convertible Notes(3)	$	26,307		—		—		—		—		26,307		—
Total	$	652,039	$	45,897	$	61,977	$	61,977	$	164,874	$	69,000	$	248,314

⁽¹⁾ Reflects the net debt carrying amount, effected by the outstanding balance of the original issue discount, in the unaudited condensed consolidated balance sheet as of March 31, 2019.  The actual principal outstanding balance of the Variable Funding Notes is $100.0 million as of March 31, 2019.

⁽²⁾ Reflects the net debt carrying amount, effected by the outstanding balance of the original issue discount, in the unaudited condensed consolidated balance sheet as of March 31, 2019.  The actual principal outstanding balance of the Senior Secured Term Loan is $188.5 million as of March 31, 2019.  

⁽³⁾ Reflects the debt carrying amount which is accounted for under the Fair Value Option in the unaudited condensed consolidated balance sheet as of March 31, 2019.  The actual principal outstanding balance of the 5.75% Convertible Notes is $105.7 million as of March 31, 2019.