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Subsequent Event (Details) - Subsequent Event
$ / shares in Units, ft² in Thousands, shares in Millions, $ in Millions
1 Months Ended 2 Months Ended
Feb. 23, 2022
USD ($)
ft²
Feb. 25, 2022
USD ($)
$ / shares
shares
Common Stock    
Subsequent Event [Line Items]    
Stock repurchased (in shares) | shares   1.8
Stock repurchased, value   $ 547.6
Average price of stock repurchased (in dollars per share) | $ / shares   $ 310.05
Chicago    
Subsequent Event [Line Items]    
Square feet of property purchased | ft² 90  
Cash payments to purchase real estate $ 20.8