Company's Debt Maturities on Calendar Year Basis (Detail) - USD ($) $ in Thousands		Mar. 31, 2020		Dec. 31, 2019
Debt Instrument [Line Items]
Total		$ 635,928
April 1 through December 31, 2020		24,271
2021		31,316
2022		29,935
2023		162,997
2024		10,651
Thereafter		376,758
Senior Secured Notes
Debt Instrument [Line Items]
Total		330,551	[1]	$ 338,130
April 1 through December 31, 2020	[1]	9,808
2021	[1]	12,032
2022	[1]	10,651
2023	[1]	10,651
2024	[1]	10,651
Thereafter	[1]	276,758
Convertible Notes | 5.75% Senior Subordinated Notes Due August 2023
Debt Instrument [Line Items]
Total	[2]	46,485	[3]	47,277
2023	[3]	46,485
Variable Funding Notes
Debt Instrument [Line Items]
Total		100,000		$ 99,610
Thereafter		100,000
Senior Secured Term Loan
Debt Instrument [Line Items]
Total	[4]	158,892
April 1 through December 31, 2020	[4]	14,463
2021	[4]	19,284
2022	[4]	19,284
2023	[4]	$ 105,861

[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 March 31, 2020 and December 31, 2019. The actual principal outstanding balance of the 5.75% Convertible Notes is $94.4 million and $94.4 million as of March 31, 2020 and December 31, 2019, respectively.

[3] Reflects the debt carrying amount which is accounted for under the Fair Value Option in the condensed consolidated balance sheet as of March 31, 2020. The actual principal outstanding balance of the 5.75% Convertible Notes is $94.4 million as of March 31, 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 March 31, 2020. The actual principal outstanding balance of the Senior Secured Term Loan is $170.8 million as of March 31, 2020.