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Summary Of Significant Accounting Policies Consolidated Statement of Cash Flows - Supplemental Disclosures (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Accounting Policies [Abstract] |  |  |  |
Total interest costs incurred |  |  | $ 94,947 | $ 98,466
Interest capitalized |  |  | (7,874) | (10,461)
Interest expense | $ 44,598 | $ 44,312 | 87,073 | 88,005
Cash paid for interest, net of amounts capitalized |  |  | 82,424 | 86,045
Cash paid for income taxes |  |  | 320 | 191
Shares issued under dividend reinvestment plan |  |  | 796 | 839
DownREIT operating partnership units redeemed for common shares |  |  | $ 103 | $ 366

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