Assets Held for Sale and Discontinued Operations - Narrative (Details) - Scenario, Forecast - Solar Segment - Discontinued Operations, Held-for-sale	12 Months Ended
	Sep. 30, 2019 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
One-time costs to tell	$ 750,000
Broker Fees
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
One-time costs to tell	500,000
Legal Fees
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
One-time costs to tell	$ 250,000