Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt and Lines of Credit - Schedule of Interest Costs Expensed and Capitalized (Details)

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Long-Term Debt and Lines of Credit - Schedule of Interest Costs Expensed and Capitalized (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Debt Disclosure [Abstract]        
Interest expense $ 1,963 $ 2,239 $ 3,880 $ 4,494
Interest capitalized 229 147 445 281
Total $ 2,192 $ 2,386 $ 4,325 $ 4,775