Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt and Lines of Credit - Schedule of Future Maturities of Debt and Lines of Credit (Details)

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Long-Term Debt and Lines of Credit - Schedule of Future Maturities of Debt and Lines of Credit (Details)
$ in Thousands
Mar. 31, 2018
USD ($)
Debt Disclosure [Abstract]  
Due within one year $ 5,225
Due between one and two years 10,938
Due between two and three years 10,975
Due between three and four years 14,880
Due between four and five years 10,755
Due beyond five years 126,988
Total future maturities $ 179,761