Income Taxes - Net Operating Loss Carry-forwards (Details) $ in Millions	Sep. 30, 2020 USD ($)
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards, indefinite	$ 8.8
Federal
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	11.4
State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	42.7
Foreign
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 43.6