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Related Party Transactions (Details) | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Apr. 30, 2023 USD ($) | Aug. 31, 2022 USD ($) community | Jan. 31, 2022 USD ($) | Nov. 30, 2021 USD ($) | Oct. 31, 2021 USD ($) | Sep. 30, 2021 USD ($) | Jun. 30, 2019 USD ($) apartment | Feb. 28, 2019 USD ($) | Oct. 31, 2018 USD ($) apartment | May 31, 2018 USD ($) apartment | Mar. 31, 2017 USD ($) unit | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) | Feb. 28, 2022 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire preferred equity investments |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15,571,000 | $ 96,187,000 |  |
Co-investments |  |  |  |  |  |  |  |  |  |  |  | $ 1,122,114,000 |  | 1,122,114,000 |  | $ 1,127,491,000 |
Notes and other receivables |  |  |  |  |  |  |  |  |  |  |  | 150,464,000 |  | 150,464,000 |  | 103,045,000 |
Apartment home community development development in Burlingame, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment funded amount | $ 11,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Apartment home community in Ventura, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitment funded amount |  |  |  | $ 18,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Membership Interest In Sage At Cupertino |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units acquired | unit |  |  |  |  |  |  |  |  |  |  | 230 |  |  |  |  |  |
Co-investments |  |  |  |  |  |  |  |  |  |  | $ 15,300,000 |  |  |  |  |  |
Investment interest acquired |  |  |  |  |  |  |  |  |  |  | 40.50% |  |  |  |  |  |
Contract price |  |  |  |  |  |  |  |  |  |  | $ 90,000,000 |  |  |  |  |  |
Encumbrance |  |  |  |  |  |  |  |  |  |  | $ 52,000,000 |  |  |  |  |  |
Related Party |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes receivable |  | $ 11,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of communities owned | community |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset acquisition, yield percentage |  | 9.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party | Management and Other Fees From Affiliates |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related party transaction, amounts of transaction |  |  |  |  |  |  |  |  |  |  |  | 3,200,000 | $ 3,500,000 | 6,400,000 | 6,600,000 |  |
Related Party | Revenues from Development and Redevelopment Fees |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related party transaction, amounts of transaction |  |  |  |  |  |  |  |  |  |  |  | 500,000 | 700,000 | $ 1,000,000 | 1,100,000 |  |
Related Party | Multifamily development community in Mountain View, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments to acquire preferred equity investments |  |  |  |  |  |  |  | $ 24,500,000 |  |  |  |  |  |  |  |  |
Preferred return rate |  |  |  |  |  |  |  | 11.00% |  |  |  |  |  | 9.00% |  |  |
Related Party | Apartment home community development development in Burlingame, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units acquired | apartment |  |  |  |  |  |  |  |  | 268 |  |  |  |  |  |  |  |
Payments to acquire preferred equity investments |  |  |  |  |  |  |  |  | $ 18,600,000 |  |  |  |  |  |  |  |
Preferred return rate | 11.00% |  |  |  |  |  |  |  | 12.00% |  |  |  |  | 9.00% |  |  |
Related Party | Related Party Bridge Loan On Property Acquired By BEX II |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes receivable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 32,800,000
Related Party | Related Party Bridge Loan on Property Acquired By Wesco VI |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from redemption of notes receivable |  |  | $ 121,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party | Related Party Bridge Loan on Property Acquired By Wesco VI | The Rexford |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes receivable |  |  |  | $ 61,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Asset acquisition, yield percentage |  |  |  | 2.36% |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party | Related Party Bridge Loan on Property Acquired By Wesco VI | Monterra in Mill Creek |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes receivable |  |  |  |  | $ 30,300,000 |  |  |  |  |  |  |  |  |  |  |  |
Asset acquisition, yield percentage |  |  |  |  | 2.30% |  |  |  |  |  |  |  |  |  |  |  |
Related Party | Related Party Bridge Loan on Property Acquired By Wesco VI | Martha Lake Apartments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes receivable |  |  |  |  |  | $ 29,200,000 |  |  |  |  |  |  |  |  |  |  |
Asset acquisition, yield percentage |  |  |  |  |  | 2.15% |  |  |  |  |  |  |  |  |  |  |
Related Party | Related Party Bridge Loan on Property Acquired By Wesco VI | Vela On Ox |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes receivable |  |  | $ 100,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset acquisition, yield percentage |  |  | 2.64% |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party | Related Party Bridge Loan on Property In Vista, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes receivable |  |  |  | $ 48,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Asset acquisition, yield percentage |  |  |  | 2.36% |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party | Marcus & Millichap Company (MMC) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Brokerage commissions |  |  |  |  |  |  |  |  |  |  |  | 0 | $ 0 | $ 0 | $ 0 |  |
Related Party | Marcus & Millichap Company (MMC) | Brio, Walnut Creek, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units acquired | apartment |  |  |  |  |  |  | 300 |  |  |  |  |  |  |  |  |  |
Payments to acquire real estate |  |  |  |  |  |  | $ 164,900,000 |  |  |  |  |  |  |  |  |  |
Debt assumed in connection with acquisition |  |  |  |  |  |  | $ 98,700,000 |  |  |  |  |  |  |  |  |  |
Related Party | Marcus & Millichap Company (MMC) | Apartment home community in Ventura, CA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units acquired | apartment |  |  |  |  |  |  |  |  |  | 400 |  |  |  |  |  |  |
Preferred return rate |  |  |  |  |  |  |  |  |  | 10.25% |  |  |  | 9.00% |  |  |
Commitment funded amount |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 13,000,000 |  |  |
Commitment to fund preferred equity investment |  |  |  |  |  |  |  |  |  | $ 26,500,000 |  |  |  |  |  |  |
Affiliated Entity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notes and other receivables |  |  |  |  |  |  |  |  |  |  |  | $ 6,100,000 |  | $ 6,100,000 |  | $ 7,000,000 |

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