Basis of Presentation Income Taxes (Details) $ in Millions |
9 Months Ended |
|---|---|
|
Sep. 30, 2020
USD ($)
| |
| Income Tax Disclosure [Abstract] | |
| Valuation allowance | $ 58.0 |
| Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent | 21.00% |