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Net Interest Income (Tables) | 12 Months Ended
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Dec. 31, 2021
Banking and Thrift, Interest [Abstract] |
Interest Income and Interest Expense Disclosure | The following table details the components of the Company's interest income and interest expense for the years ended December 31, 2021, 2020 and 2019, respectively (dollar amounts in thousands):
| For the Years Ended December 31,
| 2021 |  | 2020 |  | 2019
Interest income |  |  |  |  |
Residential loans |  |  |  |  |
Residential loans | $ | 83,852 |  |  | $ | 69,170 |  |  | $ | 63,031 |
Consolidated SLST | 40,944 |  |  | 45,194 |  |  | 4,764 |
Residential loans held in securitization trusts | 38,941 |  |  | 12,612 |  |  | 3,222 |
Total residential loans | 163,737 |  |  | 126,976 |  |  | 71,017 |
Multi-family loans |  |  |  |  |
Preferred equity and mezzanine loan investments | 15,321 |  |  | 20,899 |  |  | 20,899 |
Consolidated K-Series | — |  |  | 151,841 |  |  | 535,226 |
Total multi-family loans | 15,321 |  |  | 172,740 |  |  | 556,125 |
Investment securities available for sale | 27,750 |  |  | 49,925 |  |  | 65,486 |
Other | 58 |  |  | 520 |  |  | 1,986 |
Total interest income | 206,866 |  |  | 350,161 |  |  | 694,614 |
Interest expense |  |  |  |  |
Repurchase agreements | 13,844 |  |  | 37,334 |  |  | 90,110 |
Collateralized debt obligations |  |  |  |  |
Consolidated SLST | 28,135 |  |  | 31,663 |  |  | 2,945 |
Consolidated K-Series | — |  |  | 129,762 |  |  | 457,130 |
Residential loan securitizations | 19,660 |  |  | 6,967 |  |  | 1,682 |
Non-Agency RMBS and CMBS re-securitizations | 283 |  |  | 3,290 |  |  | 494 |
Total collateralized debt obligations | 48,078 |  |  | 171,682 |  |  | 462,251 |
Convertible debt | 11,196 |  |  | 10,997 |  |  | 10,813 |
Senior unsecured notes | 4,335 |  |  | — |  |  | — |
Subordinated debentures | 1,831 |  |  | 2,187 |  |  | 2,865 |
Derivatives | — |  |  | 868 |  |  | 711 |
Mortgages payable on operating real estate | 3,964 |  |  | — |  |  | — |
Total interest expense | 83,248 |  |  | 223,068 |  |  | 566,750 |
Net interest income | $ | 123,618 |  |  | $ | 127,093 |  |  | $ | 127,864 |

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- Definition Tabular disclosure of interest income and expense, including, but not limited to, interest income and expense from investments, loans, and securities. + References No definition available. + Details
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