Significant Accounting Policies Significant Accounting Policies - Software Development Costs (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accounting Policies [Abstract]
Software development costs capitalized during period	$ 3.0	$ 0.7
Amortization expense related to capitalized internally developed software	0.8	0.3	$ 0.2
Capitalized internally developed software, net	$ 2.9	$ 1.0

No definition available.

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- Definition

Additions made to capitalized computer software costs during the period.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
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- Definition

Amount of expense for amortization of capitalized computer software costs.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 985
-SubTopic 20
-Section 50
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