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.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Term of lessee's finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

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The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer).

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Leases - Additional Information (Detail) $ in Thousands, ¥ in Millions, kr in Millions	1 Months Ended		3 Months Ended
	Mar. 31, 2018 SEK (kr)	Mar. 31, 2018 USD ($)	Mar. 31, 2018 USD ($)	Mar. 31, 2017 USD ($)	Mar. 31, 2018 JPY (¥)	Mar. 31, 2018 USD ($)
Capital Leased Assets [Line Items]
Payments to acquire lease			$ 14,700	$ 41,739
Financing lease, settled amount			55,787	16,596
Loss on debt extinguishment			$ (21,491)	$ (3,503)
SK2 STOCKHOLM, (METRO), SWEDEN [Member]
Capital Leased Assets [Line Items]
Payments to acquire lease	kr 457.9	$ 54,900
Financing lease, settled amount	234.5	28,100
Loss on debt extinguishment	kr 170.5	$ 20,400
Tokyo 11 (TY11) [Member]
Capital Leased Assets [Line Items]
Capital lease obligation					¥ 2,348.5	$ 22,100
Capital lease obligation, term			30 years