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Acquisitions and Divestitures - Pro Forma Operating Results (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Business Combinations [Abstract] |  |
Total Revenues | $ 151,036 | $ 76,933
Pro Forma Net Income (Loss) from Continuing Operations | (30,146) | 33,075
Pro Forma Net Income (Loss) from Discontinued Operations | 275 | (18,203)
Pro Forma Net Income (Loss) before Taxes | (29,871) | 14,872
Pro forma income tax benefit (expense) | 6,273 | (3,123)
Pro Forma Net Income (Loss) | $ (23,598) | $ 11,749
Net Income (Loss) per Share/Unit from Continuing Operations, Basic (USD per share) | $ (1.88) | $ 0.66
Net Income (Loss) per Share/Unit from Continuing Operations, Diluted (USD per share) | (1.88) | 0.71
Net Income (Loss) per Share/Unit from Discontinued Operations, Basic (USD per share) | 0.02 | (1.46)
Net Income (Loss) per Share/Unit from Discontinued Operations, Diluted (USD per share) | $ 0.02 | $ (1.46)

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