Indebtedness - Schedule of Maturities of Debt, Excluding Debt Discount (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Debt Disclosure [Abstract]
2020	$ 38,739
2021	99,307
2022	316,716
2023	218,334
2024	534,077
Thereafter	1,096,136
Subtotal	2,303,309
Less: Debt discount	(48,369)
Total	$ 2,254,940	$ 1,748,922

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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, after accumulated amortization, of debt discount.

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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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