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Income Taxes - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Income Tax Contingency [Line Items] |  |
Additional tax refund | $ 14.0 |
Potential affect of unrecognized tax benefits on effective tax rate | 2.4 |
Interest accrued on unrecognized tax benefits | 0.1 | $ 0.1
Potential change in unrecognized tax benefits | 0.2 | $ 0.2
Federal |  |
Income Tax Contingency [Line Items] |  |
Net operating loss carryforwards | 12.0 |
State |  |
Income Tax Contingency [Line Items] |  |
Net operating loss carryforwards | $ 380.0 |

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- Definition Amount of interest expense accrued for an underpayment of income taxes. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32718-109319 + Details
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