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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended | 24 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2018 | Dec. 31, 2019 | Sep. 30, 2019
Income Tax Disclosure [Abstract] |  |  |  |
Statutory federal tax rate | 21.00% | 24.50% |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Valuation allowance | $ 17,449 |  |  | $ 25,673
CARES Act NOLs |  | $ 13,000 |  | 20,300
Tax refund generated | 4,200 | $ 11,300 | $ 11,300 |
Tax receivables | 7,145 |  |  | $ 156
Tax Year 2039 |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Net operating losses | 2,300 |  |  |
United States federal |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Net operating losses | 18,900 |  |  |
State |  |  |  |
Tax Credit Carryforward [Line Items] |  |  |  |
Net operating losses | $ 48,400 |  |  |

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- Definition Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(8)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(10)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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