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Debt - Secured Revolving and Term Credit Facility (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Line of Credit Facility [Line Items]    
Long-term Line of Credit $ 35,192 $ 0
Secured Revolving and Term Credit Facility [Member] | Revolving Credit Facility [Member]    
Line of Credit Facility [Line Items]    
Long-term Line of Credit   $ 470,000