Leases - Summary of Capital Lease and Other Financing Obligations (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Capital lease obligations
Current portion of capital lease and other financing obligations	$ (26,832)	$ (21,362)
Capital lease and other financing obligations, less current portion	1,217,746	$ 1,168,042
Capital lease obligations [Member]
Schedule Of Capitalized Lease [Line Items]
2015 (6 months remaining)	36,008
2016	68,275
2017	70,333
2018	72,405
2019	74,336
Thereafter	913,660
Total minimum lease payments	1,235,017
Less amount representing interest	(592,984)
Present value of net minimum lease payments	642,033
Capital lease obligations
Current portion of capital lease and other financing obligations	(18,738)
Capital lease and other financing obligations, less current portion	623,295
Present value of net minimum lease payments	642,033
Other financing obligations [Member]
Schedule Of Capitalized Lease [Line Items]
2015 (6 months remaining)	27,612
2016	57,025
2017	60,188
2018	61,623
2019	59,655
Thereafter	569,861
Total minimum lease payments	835,964
Plus amount representing residual property value	411,613
Less estimated building costs	(7,771)
Less amount representing interest	(637,261)
Present value of net minimum lease payments	602,545
Capital lease obligations
Current portion of capital lease and other financing obligations	(8,094)
Capital lease and other financing obligations, less current portion	594,451
Present value of net minimum lease payments	602,545
Capital Lease and Other Financing Obligations Total [Member]
Schedule Of Capitalized Lease [Line Items]
2015 (6 months remaining)	63,620
2016	125,300
2017	130,521
2018	134,028
2019	133,991
Thereafter	1,483,521
Total minimum lease payments	2,070,981
Plus amount representing residual property value	411,613
Less estimated building costs	(7,771)
Less amount representing interest	(1,230,245)
Present value of net minimum lease payments	1,244,578
Capital lease obligations
Current portion of capital lease and other financing obligations	(26,832)
Capital lease and other financing obligations, less current portion	1,217,746
Present value of net minimum lease payments	$ 1,244,578

Estimated costs to be incurred for the construction of leased assets.

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Schedule Of Capitalized Lease [Line Items]

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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 next 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 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 third 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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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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