Issuances of Common Stock - At-the-Market (ATM) Program (Details) - ATM Program - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
At-the-Market (ATM) Program
At-the-Market equity distribution program, authorized shares (in shares)	69,088,433
Shares remaining for future issuance (in shares)	19,314,282
Common stock
At-the-Market (ATM) Program
Shares of common stock issued (in shares)	10,073,209	0
Gross proceeds	$ 660.2

Number of new stock issued during the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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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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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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-Section S99
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-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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