v3.26.1
Organization, Basis of Presentation and Significant Accounting Policies - Earnings per Common Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]          
Weighted average common shares - basic (in shares) 140,555,264 142,195,859   140,052,487 142,154,571
Effect of dilutive securities (in shares) 1,279,505 1,096,447   1,271,292 734,861
Weighted average common shares - diluted (in shares) 141,834,769 143,292,306   141,323,779 142,889,432
Earnings Per Share, Basic [Abstract]          
Net income attributable to common stockholders $ 155,720 $ 268,665 $ 236,597 $ 481,450 $ 505,262
Net income allocated to unvested restricted shares (327) (497)   (984) (942)
Net income attributable to common stockholders - basic $ 155,393 $ 268,168   $ 480,466 $ 504,320
Weighted average common shares - basic (in shares) 140,555,264 142,195,859   140,052,487 142,154,571
Earnings per common share - basic (in dollars per share) $ 1.11 $ 1.89   $ 3.43 $ 3.55
Earnings Per Share, Diluted [Abstract]          
Net income attributable to common stockholders $ 155,720 $ 268,665 $ 236,597 $ 481,450 $ 505,262
Net income attributable to DownREIT unitholders in consolidated partnerships 1,173 1,190   3,733 1,190
Net income - diluted $ 156,893 $ 269,855   $ 485,183 $ 506,452
Weighted average common shares - diluted (in shares) 141,834,769 143,292,306   141,323,779 142,889,432
Earnings per common share - diluted (in dollars per share) $ 1.11 $ 1.88   $ 3.43 $ 3.54
Common stock          
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]          
Antidilutive securities excluded from the computation of earnings per share (in shares)       42,582 19,266
Forward Contracts          
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]          
Antidilutive securities excluded from the computation of earnings per share (in shares)       920,000 4,047,113
Performance Shares          
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]          
Antidilutive securities excluded from the computation of earnings per share (in shares)       96,506 42,790