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Nature of Operations and Significant Accounting Policies - Recent Accounting Pronouncements (Details) - Adjustment for adoption of guidance - USD ($) $ in Millions	Jan. 01, 2020	Jan. 01, 2019
ASU 2016-13 - CECL
Recent Accounting Pronouncements
Cumulative effect adjustment, decrease to retained earnings	$ 8.4
ASU 2016-02 - Leases
Recent Accounting Pronouncements
Cumulative effect adjustment, decrease to retained earnings		$ 4.0

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- Definition

Amount of the cumulative effect on retained earnings net of related income tax effect.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794

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