Capital Lease Obligations and Restricted Cash - Schedule of Capital Lease Obligations (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Capital Leased Assets [Line Items]
Capital Lease Obligations	$ 637,574	$ 647,047
Less current portion	70,272	47,203
Long-term portion	567,302	599,844
RasGas II LNG Carriers [Member]
Capital Leased Assets [Line Items]
Capital Lease Obligations	472,085	471,397
Suezmax Tankers [Member]
Capital Leased Assets [Line Items]
Capital Lease Obligations	$ 165,489	$ 175,650

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 within one year (or one operating cycle, if longer) of the balance sheet date.

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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.

+ References+ Details