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v3.23.1

Significant Transactions During the Three Months Ended March 31, 2023 and Subsequent Events (Details) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Mar. 31, 2023 USD ($) apartment | Mar. 31, 2023 USD ($) $ / shares shares
Other Commitments [Line Items] |  |
Treasury stock acquired, average cost per share (in dollars per share) | $ / shares |  | $ 218.88
Stock Repurchase Plan |  |
Other Commitments [Line Items] |  |
Shares repurchased and retired during period (in shares) | shares |  | 437,026
Shares repurchased and retired during period, value |  | $ 95.7
Purchase authority remaining under stock repurchase plan | $ 302.7 | 302.7
Stock repurchase plan amount | $ 500.0 | $ 500.0
CBC and The Sweeps |  |
Other Commitments [Line Items] |  |
Number of units acquired | apartment | 239 |
Payments to acquire real estate | $ 91.7 |
Gain on sale of properties | $ 54.5 |

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