Equity Narratives (Details) $ / shares in Units, $ in Millions	3 Months Ended
Mar. 31, 2019 USD ($) $ / shares shares
Equity [Abstract]
Treasury Stock, Shares, Acquired \| shares	354,897
Treasury Stock, Value, Acquired, Par Value Method	$ 14.5
Treasury Stock Acquired, Average Cost Per Share \| $ / shares	$ 40.97
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 180.7

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the par value method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Section 45
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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