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Long Term Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]    
Unamortized Debt Issuance Expense $ 662 $ 0
Total long-term debt 498,490 270,810
Current portion of long-term debt 10,202 1,339
Long-term debt 488,288 269,471
Revolving Line of Credit [Member]    
Debt Instrument [Line Items]    
Total long-term debt 329,000 265,609
Term Loan Facility [Member]    
Debt Instrument [Line Items]    
Total long-term debt 165,628 0
Mortgages Notes [Member]    
Debt Instrument [Line Items]    
Total long-term debt $ 3,862 $ 5,201