Leases - Summary of Capital Lease and Other Financing Obligations (Detail) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Capital lease obligations
Current portion of capital lease and other financing obligations	$ (99,202)	$ (101,046)
Capital lease and other financing obligations, less current portion	1,523,309	$ 1,410,742
Capital lease obligations [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017 (9 months remaining)	62,824
2018	83,910
2019	84,686
2020	84,714
2021	84,950
Thereafter	836,023
Total minimum lease payments	1,237,107
Plus amount representing residual property value	0
Less amount representing interest	(540,729)
Present value of net minimum lease payments	696,378
Capital lease obligations
Current portion of capital lease and other financing obligations	(28,031)
Capital lease and other financing obligations, less current portion	668,347
Other financing obligations [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017 (9 months remaining)	63,110
2018	86,813
2019	81,333
2020	80,524
2021	81,871
Thereafter	939,125
Total minimum lease payments	1,332,776
Plus amount representing residual property value	561,089
Less amount representing interest	(967,732)
Present value of net minimum lease payments	926,133
Capital lease obligations
Current portion of capital lease and other financing obligations	(71,171)
Capital lease and other financing obligations, less current portion	854,962
Capital Lease and Other Financing Obligations Total [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017 (9 months remaining)	125,934
2018	170,723
2019	166,019
2020	165,238
2021	166,821
Thereafter	1,775,148
Total minimum lease payments	2,569,883
Plus amount representing residual property value	561,089
Less amount representing interest	(1,508,461)
Present value of net minimum lease payments	1,622,511
Capital lease obligations
Current portion of capital lease and other financing obligations	(99,202)
Capital lease and other financing obligations, less current portion	$ 1,523,309

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Amount of capital lease obligation due within one year or the normal operating cycle, if longer.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal, through the balance sheet date and due to be paid more than one year (or one operating cycle, if longer) after the balance sheet date.

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Amount of minimum lease payments for capital leases.

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Amount of minimum lease payments for capital leases due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount necessary to reduce net minimum lease payments to present value for capital leases.

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Amount of minimum lease payments for capital leases due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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The estimate of the lease property's economic value at the end of the direct financing lease term excluding any amounts guaranteed by either the lessee or a third-party.

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