Debt Facilities - Mortgage and Loans Payable (Detail) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Long term debt, gross	$ 627,078	$ 1,370,970
Less the amount representing debt discount and debt issuance cost	(452)	(3,288)
Loans payable current and non current	628,304	1,369,543
Less current portion	(67,571)	(82,289)
Loans payable, noncurrent	560,733	1,287,254
Term loans
Debt Instrument [Line Items]
Long term debt, gross	555,720	1,292,067
Mortgage payable and other loans payable
Debt Instrument [Line Items]
Long term debt, gross	71,358	78,903
Mortgage
Debt Instrument [Line Items]
Add amount representing unamortized mortgage premium	$ 1,678	$ 1,861

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 accumulated amortization, of debt premium.

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Carrying value as of the balance sheet date of portion of long-term loans payable due within one year or the operating cycle if longer.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of all notes and loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

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