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Commitments and Contingencies - Yamal LNG Joint Venture (Detail) $ in Thousands | Jul. 09, 2014 USD ($) Vessel m³ | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
--- | --- | --- | ---
Long-term Purchase Commitment [Line Items] |  |  |
Joint venture ownership percentage |  | 100.00% |
Payments made to commitments |  | $ 424,868 | $ 237,647
Yamal LNG Joint Venture [Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Joint venture ownership percentage | 50.00% |  |
Yamal LNG Joint Venture [Member] | Pro rata share [Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Proportionate share of the newbuilding installments, net of the existing financing, in 2016 |  | 74,400 |
Proportionate share of the newbuilding installments, net of the existing financing in 2017 |  | 97,600 |
Proportionate share of the newbuilding installments, net of the existing financing in 2018 |  | 356,600 |
Proportionate share of the newbuilding installments, net of the existing financing in 2019 |  | 214,400 |
Proportionate share of the newbuilding installments, net of the existing financing in 2020 |  | $ 198,300 |
Yamal LNG Joint Venture [Member] | Minimum [Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Secured debt financing percentage |  | 70.00% |
Yamal LNG Joint Venture [Member] | Maximum [Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Secured debt financing percentage |  | 80.00% |
Yamal LNG Joint Venture [Member] | Newbuildings [Member] |  |  |
Long-term Purchase Commitment [Line Items] |  |  |
Number of vessels | Vessel | 6 |  |
Volume of vessels | m³ | 172,000 |  |
Fully built-up cost | $ 2,100,000 |  |
Payments made to commitments |  | $ 100,500 |

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