Income Tax Uncertainties (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Income Tax Uncertainties
Unrecognized tax benefits, including penalties and interest that if recognized would impact effective tax rate	$ 2.0	$ 2.0
Unrecognized tax benefits, including penalties and interest, net of federal tax benefit that if recognized would affect effective tax rate	$ 1.8	$ 1.7

The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 15A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319

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