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Deferred Acquisition Costs (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Deferred Acquisition Costs |  |  |  |  |  |
Deferred Policy Acquisition Cost, Beginning Balance |  |  | $ 1.8 | $ 0.6 | $ 0.6 | $ 0.1
Premium taxes |  |  |  |  | 3.2 | 1.2
Direct commissions |  |  |  |  | 0.1 | 0.0
Less :Amortization of net deferred acquisition costs |  |  |  |  | (2.1) | (0.7)
Deferred Policy Acquisition Cost, Ending Balance | $ 3.3 |  | 3.3 |  | 1.8 | 0.6
Other Insurance Expense |  |  |  |  |  |
Amortization of net deferred acquisition costs |  |  |  |  | 2.1 | 0.7
Period costs |  |  |  |  | 7.5 | 3.5
Total other insurance expense | $ 3.5 | $ 2.3 | $ 10.8 | $ 6.4 | $ 9.6 | $ 4.2

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- Definition Amount of deferred policy acquisition cost capitalized under direct commissions. + References No definition available. + Details
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