Aggregate Scheduled Maturities of Debt Outstanding (Detail) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Debt Disclosure [Abstract]
2020	$ 87,550
2021	456,697
2022	809,583
2023	1,757,475
2024	7,823
Later	881,826
Total debt before unamortized financing costs	4,000,954	$ 4,019,822
Less-Unamortized financing costs	(16,827)	(21,189)
Total debt after unamortized financing costs	$ 3,984,127	$ 3,998,633

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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