XML 126 R106.htm IDEA: XBRL DOCUMENT v3.4.0.3
Commitments and Contingencies - Hyundai Samho Heavy Industries - Additional Information (Detail)
$ in Thousands
1 Months Ended
Jun. 30, 2015
USD ($)
Vessel
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Long-term Purchase Commitment [Line Items]      
Payments made to commitments   $ 424,868 $ 237,647
Hyundai Samho Heavy Industries Co., Ltd. [Member] | Liquefied Natural Gas [Member]      
Long-term Purchase Commitment [Line Items]      
Number of vessels | Vessel 2    
Volume of vessels | m³ 174,000    
Fully built-up cost $ 419,800    
Payments made to commitments   40,200  
Remaining payments required to be made under newbuilding contracts in 2016   2,600  
Remaining payments required to be made under newbuilding contracts in 2017   82,400  
Remaining payments required to be made under newbuilding contracts in 2018   44,900  
Remaining payments required to be made under newbuilding contracts in 2019   $ 249,700  
BP [Member] | Hyundai Samho Heavy Industries Co., Ltd. [Member] | Liquefied Natural Gas [Member]      
Long-term Purchase Commitment [Line Items]      
Number of vessels | Vessel 1    
Operating lease arrangement period, lessor 13 years