Summary of Significant Accounting Polices and Adoption of New Accounting Pronouncements (Details) $ in Millions	Mar. 31, 2020 USD ($) investment	Dec. 31, 2019 USD ($)	Jan. 01, 2019 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Fair value, option, number of investments | investment	33
Operating lease, right-of-use asset	$ 12.5	$ 13.6	$ 12.5
Operating lease liability	$ 12.5		13.6
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease liability			$ 13.6