Annual report pursuant to Section 13 and 15(d)

Long-Term Debt - Aggregate Minimum Principal Maturities of Long-Term Debt (Detail)

v2.4.1.9
Long-Term Debt - Aggregate Minimum Principal Maturities of Long-Term Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Debt Disclosure [Abstract]  
2015 $ 5,707us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
2016 5,695us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
2017 5,612us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
2018 5,552us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
2019 5,536us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
2020 and thereafter $ 849,755us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive