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Debt (Other Debt) (Narrative) (Details) - Other Debt [Member] - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Outstanding Balance $ 28,443 $ 33,463
Unamortized net premium $ 165 $ 258
Interest rate 5.81%  
Scheduled principal repayments, 2016 $ 7,400  
Scheduled principal repayments, 2017 7,700  
Scheduled principal repayments, 2018 $ 13,300