Leases - Summary of Capital Lease and Other Financing Obligations (Detail) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Capital lease obligations
Current portion of capital lease and other financing obligations	$ (62,937)	$ (101,046)
Capital lease and other financing obligations, less current portion	1,584,287	$ 1,410,742
Capital lease obligations [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017 (6 months remaining)	42,901
2018	92,764
2019	85,790
2020	85,879
2021	86,089
Thereafter	850,273
Total minimum lease payments	1,243,696
Plus amount representing residual property value	0
Less amount representing interest	(534,399)
Present value of net minimum lease payments	709,297
Capital lease obligations
Current portion of capital lease and other financing obligations	(29,632)
Capital lease and other financing obligations, less current portion	679,665
Other financing obligations [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017 (6 months remaining)	44,704
2018	99,868
2019	87,136
2020	86,409
2021	86,372
Thereafter	952,156
Total minimum lease payments	1,356,645
Plus amount representing residual property value	534,139
Less amount representing interest	(952,857)
Present value of net minimum lease payments	937,927
Capital lease obligations
Current portion of capital lease and other financing obligations	(33,305)
Capital lease and other financing obligations, less current portion	904,622
Capital Lease and Other Financing Obligations Total [Member]
Capital Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2017 (6 months remaining)	87,605
2018	192,632
2019	172,926
2020	172,288
2021	172,461
Thereafter	1,802,429
Total minimum lease payments	2,600,341
Plus amount representing residual property value	534,139
Less amount representing interest	(1,487,256)
Present value of net minimum lease payments	1,647,224
Capital lease obligations
Current portion of capital lease and other financing obligations	(62,937)
Capital lease and other financing obligations, less current portion	$ 1,584,287

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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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