Annual report pursuant to Section 13 and 15(d)

Debt - Summary of Future Principal Amounts Payable (Detail)

v2.4.1.9
Debt - Summary of Future Principal Amounts Payable (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Debt Disclosure [Abstract]  
Future principal amounts payable, 2015 $ 1,837us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
Future principal amounts payable, 2016 1,274us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
Future principal amounts payable, 2017 989us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
Future principal amounts payable, Total $ 4,100us-gaap_LongTermDebt