Company's Debt Maturities on Calendar Year Basis (Detail) - USD ($) $ in Thousands		Sep. 30, 2020		Dec. 31, 2019
Debt Instrument [Line Items]
Total		$ 584,050
October 1 through December 31, 2020		22,723
2021		26,117
2022		79,932
2023		54,896
2024		5,756
Thereafter		394,626
Senior Secured Notes
Debt Instrument [Line Items]
Total		323,876	[1]	$ 338,130
October 1 through December 31, 2020	[1]	6,020
2021	[1]	5,741
Thereafter	[1]	312,115
Convertible Notes | 5.75% Senior Subordinated Notes Due August 2023
Debt Instrument [Line Items]
Total	[2]	49,140	[3]	47,277
2023	[3]	49,140
Variable Funding Notes
Debt Instrument [Line Items]
Total		100,000		$ 99,610
2021		221
2022		5,756
2023		5,756
2024		5,756
Thereafter		82,511
Senior Secured Term Loan
Debt Instrument [Line Items]
Total	[4]	109,727
October 1 through December 31, 2020	[4]	16,558
2021	[4]	19,284
2022	[4]	73,885
Payroll Protection Program Loan
Debt Instrument [Line Items]
Total		1,307
October 1 through December 31, 2020		145
2021		871
2022		$ 291

[1] The legal final maturity of the Securitization Notes is in January of 2043. As the Company did not repay or refinance the Securitization Notes prior to the anticipated repayment date, beginning January 2020, the Company is no longer be required to make previously designated contractual principal payments. Future principal payments will be formulaically based on a percentage of receipts of royalty revenue, and as such are subject market factors outside of the Company’s control. There can be no assurance that all or any future principal payments projected for the Senior Secured Notes will be made in accordance with the projections provided.

[2] Reflects the debt carrying amount which is accounted for under the Fair Value Option in the condensed consolidated balance sheet as of September 30, 2020 and December 31, 2019. The actual principal outstanding balance of the 5.75% Convertible Notes is $94.4 million as of each of September 30, 2020 and December 31, 2019.

[3] Reflects the debt carrying amount which is accounted for under the Fair Value Option in the condensed consolidated balance sheet as of September 30, 2020. The actual principal outstanding balance of the 5.75% Convertible Notes is $94.4 million as of September 30, 2020.

[4] Reflects the net debt carrying amount, effected by the outstanding balance of the original issue discount, in the condensed consolidated balance sheet as of September 30, 2020. The actual principal outstanding balance of the Senior Secured Term Loan is $116.4 million as of September 30, 2020.