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Borrowings - Future Principal Payments Required On The Company's Borrowings (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Debt Disclosure [Abstract]    
2015 $ 24,185us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths  
2016 46us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo  
2017 48us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree  
2018 50us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour  
2019 52us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive  
Thereafter 1,923us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive  
Total $ 26,304us-gaap_OtherBorrowings $ 6,527us-gaap_OtherBorrowings