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Loans and Investments - Non-performing loans (Details) - USD ($) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2023 | Dec. 31, 2022
Loans and Investments |  |
UPB | $ 238,962 | $ 157,960
Loans and investments, gross | 13,491,607 | 14,456,123
Non-performing loans |  |
Loans and Investments |  |
UPB | 124,436 | 7,750
Less Than 90 Days Past Due | Non-performing loans |  |
Loans and Investments |  |
Loans and investments, gross | 116,686 | 0
Greater Than 90 Days Past Due | Non-performing loans |  |
Loans and Investments |  |
Loans and investments, gross | 7,750 | 7,750
Multifamily |  |
Loans and Investments |  |
UPB | 36,377 |
Multifamily | Non-performing loans |  |
Loans and Investments |  |
UPB | 119,291 | 2,605
Multifamily | Less Than 90 Days Past Due | Non-performing loans |  |
Loans and Investments |  |
Loans and investments, gross | 116,686 | 0
Multifamily | Greater Than 90 Days Past Due | Non-performing loans |  |
Loans and Investments |  |
Loans and investments, gross | 2,605 | 2,605
Retail |  |
Loans and Investments |  |
UPB | 22,045 | 22,045
Retail | Non-performing loans |  |
Loans and Investments |  |
UPB | 3,445 | 3,445
Retail | Less Than 90 Days Past Due | Non-performing loans |  |
Loans and Investments |  |
Loans and investments, gross | 0 | 0
Retail | Greater Than 90 Days Past Due | Non-performing loans |  |
Loans and Investments |  |
Loans and investments, gross | 3,445 | 3,445
Commercial |  |
Loans and Investments |  |
UPB | 1,700 | 1,700
Commercial | Non-performing loans |  |
Loans and Investments |  |
UPB | 1,700 | 1,700
Commercial | Less Than 90 Days Past Due | Non-performing loans |  |
Loans and Investments |  |
Loans and investments, gross | 0 | 0
Commercial | Greater Than 90 Days Past Due | Non-performing loans |  |
Loans and Investments |  |
Loans and investments, gross | $ 1,700 | $ 1,700

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