XML 63 R53.htm IDEA: XBRL DOCUMENT v3.21.2
Share-Based Compensation (Share-Based Compensation Expense) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Share-based Payment Arrangement [Abstract]        
Share-based compensation cost capitalized $ 800   $ 3,100  
Share-based Payment Arrangement, Expensed, Amount [Line Items]        
Share-based compensation expense 14,595 $ 8,766 47,685 $ 21,630
Self-storage cost of operations        
Share-based Payment Arrangement, Expensed, Amount [Line Items]        
Share-based compensation expense 4,506 3,488 16,272 10,550
Ancillary cost of operations        
Share-based Payment Arrangement, Expensed, Amount [Line Items]        
Share-based compensation expense 343 0 1,394 0
General and administrative        
Share-based Payment Arrangement, Expensed, Amount [Line Items]        
Share-based compensation expense $ 9,746 $ 5,278 $ 30,019 $ 11,080