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Loans and Investments - Investment Portfolio and Concentration of Credit Risk (Details) $ in Thousands | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) loan | Dec. 31, 2022 USD ($) loan | Jun. 30, 2023 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Loans and Investments |  |  |  |  |
Loans and investments, gross | $ 12,615,006 | $ 14,456,123 |  |  |
Allowance for credit losses | (195,664) | (132,559) |  | $ (113,241) | $ (148,329)
Unearned revenue | (41,536) | (68,890) |  |  |
Loans and investments, net | $ 12,377,806 | $ 14,254,674 |  | 11,981,048 | 5,285,868
Percent of Total | 100.00% | 100.00% |  |  |
Loan Count | loan | 747 | 747 |  |  |
Wtd. Avg. Pay Rate (as a percent) | 8.42% | 8.17% |  |  |
Wtd. Avg. Remaining Months to Maturity | 13 months 6 days | 20 months 18 days |  |  |
Wtd. Avg. First Dollar LTV Ratio (as percent) | 1.00% | 1.00% |  |  |
Wtd. Avg. Last Dollar LTV Ratio (as percent) | 78.00% | 76.00% |  |  |
Mortgage loans on real estate remaining maturity period, including extension options | 29 months 12 days | 37 months 27 days |  |  |
Single- Family Rental |  |  |  |  |
Loans and Investments |  |  |  |  |
Allowance for credit losses | $ (1,624) | $ (780) |  | $ (319) | $ (586)
Bridge Loans |  |  |  |  |
Loans and Investments |  |  |  |  |
Loans and investments, gross | $ 12,273,244 | $ 14,096,054 | $ 70,500 |  |
Percent of Total | 97.00% | 98.00% |  |  |
Loan Count | loan | 679 | 692 |  |  |
Wtd. Avg. Pay Rate (as a percent) | 8.45% | 8.17% |  |  |
Wtd. Avg. Remaining Months to Maturity | 12 months | 19 months 24 days |  |  |
Wtd. Avg. First Dollar LTV Ratio (as percent) | 0.00% | 0.00% |  |  |
Wtd. Avg. Last Dollar LTV Ratio (as percent) | 78.00% | 76.00% |  |  |
Bridge Loans | Single- Family Rental |  |  |  |  |
Loans and Investments |  |  |  |  |
Number of loans under the loan portfolio | loan | 354 | 241 |  |  |
Total loan commitment | $ 2,510,000 | $ 1,570,000 |  |  |
Mezzanine loans |  |  |  |  |
Loans and Investments |  |  |  |  |
Loans and investments, gross | $ 248,457 | $ 213,499 |  |  |
Percent of Total | 2.00% | 1.00% |  |  |
Loan Count | loan | 49 | 44 |  |  |
Wtd. Avg. Pay Rate (as a percent) | 8.41% | 8.13% |  |  |
Wtd. Avg. Remaining Months to Maturity | 56 months 18 days | 63 months 3 days |  |  |
Wtd. Avg. First Dollar LTV Ratio (as percent) | 48.00% | 42.00% |  |  |
Wtd. Avg. Last Dollar LTV Ratio (as percent) | 80.00% | 77.00% |  |  |
Preferred equity investments |  |  |  |  |
Loans and Investments |  |  |  |  |
Loans and investments, gross | $ 85,741 | $ 110,725 |  |  |
Percent of Total | 1.00% | 1.00% |  |  |
Loan Count | loan | 17 | 8 |  |  |
Wtd. Avg. Pay Rate (as a percent) | 3.95% | 7.63% |  |  |
Wtd. Avg. Remaining Months to Maturity | 60 months 9 days | 39 months 6 days |  |  |
Wtd. Avg. First Dollar LTV Ratio (as percent) | 53.00% | 46.00% |  |  |
Wtd. Avg. Last Dollar LTV Ratio (as percent) | 82.00% | 79.00% |  |  |
SFR Permanent Loans |  |  |  |  |
Loans and Investments |  |  |  |  |
Loans and investments, gross | $ 7,564 | $ 35,845 |  |  |
Percent of Total | 1.00% | 1.00% |  |  |
Loan Count | loan | 2 | 3 |  |  |
Wtd. Avg. Pay Rate (as a percent) | 9.84% | 8.76% |  |  |
Wtd. Avg. Remaining Months to Maturity | 13 months 27 days | 32 months 24 days |  |  |
Wtd. Avg. First Dollar LTV Ratio (as percent) | 0.00% | 0.00% |  |  |
Wtd. Avg. Last Dollar LTV Ratio (as percent) | 56.00% | 58.00% |  |  |
SFR Permanent Loans | Single- Family Rental |  |  |  |  |
Loans and Investments |  |  |  |  |
Total loan commitment | $ 1,320,000 | $ 927,400 |  |  |

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- Definition Represents the weighted average First Dollar LTV Ratio that is calculated by comparing the total of the company's senior most dollar and all senior lien positions within the capital stack to the fair value of the underlying collateral to determine the point at which the company will absorb a total loss of its position. + References No definition available. + Details
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