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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
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Dec. 31, 2019 | Dec. 31, 2018
Debt Disclosure [Abstract] |  |
Interest expense | $ 1,544 | $ 1,917
Interest capitalized | 269 | 216
Total | $ 1,813 | $ 2,133

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