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Long-Term Debt and Lines of Credit - Schedule of Future Maturities of Debt and Lines of Credit (Details)
$ in Thousands
Dec. 31, 2016
USD ($)
Debt Disclosure [Abstract]  
Due within one year $ 4,475
Due between one and two years 30,270
Due between two and three years 10,925
Due between three and four years 10,975
Due between four and five years 10,975
Due beyond five years 148,845
Total future maturities $ 216,465