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Loans and Investments - Schedule of Non-Performing Loans (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
Loans and Investments |  |
UPB | $ 592,543 | $ 427,929
Loans and investments, gross | 11,873,208 | 12,615,006
Non-performing loans |  |
Loans and Investments |  |
UPB | 676,250 | 274,152
Greater Than 60 Days Past Due | Non-performing loans |  |
Loans and Investments |  |
Loans and investments, gross | 676,250 | 274,152
Multifamily |  |
Loans and Investments |  |
UPB | 437,108 | 272,494
Multifamily | Non-performing loans |  |
Loans and Investments |  |
UPB | 673,630 | 271,532
Multifamily | Greater Than 60 Days Past Due | Non-performing loans |  |
Loans and Investments |  |
Loans and investments, gross | 673,630 | 271,532
Commercial |  |
Loans and Investments |  |
UPB | 1,700 | 1,700
Commercial | Non-performing loans |  |
Loans and Investments |  |
UPB | 1,700 | 1,700
Commercial | Greater Than 60 Days Past Due | Non-performing loans |  |
Loans and Investments |  |
Loans and investments, gross | 1,700 | 1,700
Retail |  |
Loans and Investments |  |
UPB | 19,520 | 19,520
Retail | Non-performing loans |  |
Loans and Investments |  |
UPB | 920 | 920
Retail | Greater Than 60 Days Past Due | Non-performing loans |  |
Loans and Investments |  |
Loans and investments, gross | $ 920 | $ 920

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