Merger with VEREIT, Inc. and Orion Office REIT Inc. Divestiture - Pro Forma Information (Details) - VEREIT - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Pro Forma Information
Total revenues	$ 3,084.3	$ 2,835.5
Net income	$ 734.6	$ 325.9
Basic earnings per share (in dollars per share)	$ 1.27	$ 0.64
Diluted earnings per share (in dollars per share)	$ 1.27	$ 0.64