Capital and Accumulated Other Comprehensive Income (Loss) - Equity Distribution Agreement Narrative (Details) - USD ($) $ / shares in Units, $ in Millions			12 Months Ended
	Jan. 01, 2021	Jan. 04, 2019	Dec. 31, 2020	Dec. 31, 2019	May 11, 2020
2019 Equity distribution agreement
Class of Stock [Line Items]
Proceeds from Issuance of Common Stock			$ 893.8
Sale of Stock, Price Per Share			$ 146.90
Payments of Stock Issuance Costs			$ 9.0
Common stock issued in public offering (shares)			6,100,000	0
Net proceeds		$ 652.2
Shares issued , contribution to operating partnership			6,100,000
2019 Equity distribution agreement | Subsequent Event
Class of Stock [Line Items]
Amount of shares reserved for future issuance	$ 749.4
2020 Equity distribution agreement
Class of Stock [Line Items]
Aggregate offering price of the distribution agreement maximum					$ 1,000.0