Debt Arrangements (Tables)

6 Months Ended

Jun. 30, 2019

Debt Disclosure [Abstract]

Schedule of Debt Obligations

The Company’s debt obligations consist of the following:

	June 30, 2019			December 31, 2018
Senior Secured Notes	$	353,163		$	365,481
Variable Funding Note, net of original issue discount		97,364			95,273
Senior Secured Term Loan, net of original issue discount		171,648			171,137
5.75% Convertible Notes(1)		23,190			48,076
Unamortized debt issuance costs		(3,224	)		(4,738	)
Total debt		642,141			675,229
Less current maturities		67,163			54,263
Total long-term debt	$	574,978		$	620,966

⁽¹⁾ Reflects the debt carrying amount which is accounted for under the Fair Value Option in the unaudited condensed consolidated balance sheet as of June 30, 2019 and December 31, 2018.  The actual principal outstanding balance of the 5.75% Convertible Notes is $94.6 million and $109.7 million as of June 30, 2019 and December 31, 2018, respectively.

Company's Debt Maturities on Calendar Year Basis

As of June 30, 2019, the Company’s debt maturities on a calendar year basis are as follows:

	Total		July 1 through December 31, 2019		2020		2021		2022		2023		Thereafter
Senior Secured Notes	$	353,163	$	30,375	$	38,851	$	42,693	$	42,693	$	42,693	$	155,858
Variable Funding Notes(1)	$	97,364		—		—		—		—		—		97,364
Senior Secured Term Loan(2)	$	171,648		9,642		19,284		19,284		123,438		—		—
5.75% Convertible Notes(3)	$	23,190		—		—		—		—		23,190		—
Total	$	645,365	$	40,017	$	58,135	$	61,977	$	166,131	$	65,883	$	253,222

⁽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 June 30, 2019.  The actual principal outstanding balance of the Variable Funding Notes is $100.0 million as of June 30, 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 June 30, 2019.  The actual principal outstanding balance of the Senior Secured Term Loan is $187.5 million as of June 30, 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 June 30, 2019.  The actual principal outstanding balance of the 5.75% Convertible Notes is $94.6 million as of June 30, 2019.