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Agreements and Transactions with Related Parties - 2019 Activity (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2021 | Dec. 31, 2018
Agreements and Transactions with Related Parties |  |  |  |  |  |  |  |
Interest income | $ 297,188 | $ 335,737 | $ 618,480 | $ 663,685 |  |  |  |
Related Party |  |  |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |  |  |
Amount invested |  |  |  |  |  |  | $ 4,200 |
Other Related Party Transactions | Bridge loan, six multifamily properties |  |  |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |  |  |
UPB converted to a mezzanine loan |  |  |  |  |  | $ 2,000 |  |
Other Related Party Transactions | Related Party | Maturity date of August 2023 | One multifamily property |  |  |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |  |  |
Principal amount |  |  |  |  | $ 35,400 |  |  |
Other Related Party Transactions | Related Party | Bridge loan, one multifamily property | Maturity date of August 2023 |  |  |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  | $ 21,700
Variable rate, spread |  |  |  |  | 3.50% |  |  |
Other Related Party Transactions | Related Party | AMAC III | Mezzanine Loans |  |  |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | 7,000 |  |
Other Related Party Transactions | Related Party | AMAC III | Bridge loan, one multifamily property |  |  |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  | $ 34,000 |  |
Other Related Party Transactions | Chief executive officer | Mezzanine Loans | Maturity date of January 2024 |  |  |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |  |  |
Fixed rate of interest |  |  |  |  |  | 10.00% |  |
Other Related Party Transactions | Chief executive officer | Bridge loan, six multifamily properties | Maturity date of 2019 | Minimum |  |  |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |  |  |
Percentage of ownership interest of related party in the entity |  |  |  |  |  | 10.50% |  |
Other Related Party Transactions | Chief executive officer | Bridge loan, six multifamily properties | Maturity date of 2019 | Maximum |  |  |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |  |  |
Percentage of ownership interest of related party in the entity |  |  |  |  |  | 12.00% |  |
Other Related Party Transactions | Chief executive officer | Bridge loan, six multifamily properties | Maturity date of September 2019 |  |  |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |  |  |
Interest income | 100 | 100 | 100 | 100 |  |  |  |
AMAC III | Other Related Party Transactions | Related Party |  |  |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |  |  |
Amount invested | 28,500 |  | 28,500 |  |  | $ 30,000 |  |
Ownership interest, percentage |  |  |  |  |  | 18.00% |  |
Interest income | 800 | 800 | 1,600 | 1,500 |  |  |  |
AMAC Holdings III LLC |  |  |  |  |  |  |  |
Agreements and Transactions with Related Parties |  |  |  |  |  |  |  |
Loss on investment | $ 700 | 500 | $ 1,200 | 900 |  |  |  |
Distribution received |  | $ 500 |  | $ 1,100 |  |  |  |

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