v2.4.1.9
Scheduled Maturities of Long-term Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Debt Disclosure [Abstract]  
2015 $ 120,154us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
2016 117,193us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
2017 144,161us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
2018 155,750us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
2019 730,084us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
Thereafter $ 7,252,300us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive