Equity (Schedule of Stock Offering Program) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
At The Market Stock Offering [Line Items]
Proceeds, net of fees (in millions)	$ 154.3	$ 299.6	$ 211.4
At The Market Program
At The Market Stock Offering [Line Items]
Number of shares issued	5,941,598	12,525,215	8,459,430
Average price per share	$ 25.25	$ 23.95	$ 23.60
Proceeds, net of fees (in millions)	$ 141.9	$ 288.1	$ 196.5

Number of new stock issued during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Balance Type:	na
Period Type:	duration