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Loans and Investments - Investment Portfolio and Concentration of Credit Risk (Details) $ in Thousands | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2020 USD ($) loan borrower | Dec. 31, 2019 USD ($) loan borrower | Mar. 31, 2020 USD ($) | Jun. 30, 2019 USD ($)
Loans and Investments |  |  |  |
Loans and investments, gross | $ 4,972,138 | $ 4,279,611 |  |
Unearned revenue | (19,151) | (18,582) |  |
Loans and investments, net | 4,800,176 | 4,189,960 |  |
Allowance for credit losses | $ (152,811) | $ (71,069) | $ (142,252) | $ (71,069)
Percent of Total | 100.00% | 100.00% |  |
Loan Count | loan | 294 | 272 |  |
Wtd. Avg. Pay Rate (as a percent) | 5.57% | 5.98% |  |
Wtd. Avg. Remaining Months to Maturity | 20 months 6 days | 22 months 3 days |  |
Wtd. Avg. First Dollar LTV Ratio (as percent) | 4.00% | 4.00% |  |
Wtd. Avg. Last Dollar LTV Ratio (as percent) | 78.00% | 76.00% |  |
Credit risk concentration |  |  |  |
Loans and Investments |  |  |  |
Amortized cost basis | $ 4,972,138 |  |  |
Allowance for credit losses - CECL | $ 4,972,138 |  |  |
Wtd. Avg. First Dollar LTV Ratio (as percent) | 4.00% |  |  |
Wtd. Avg. Last Dollar LTV Ratio (as percent) | 78.00% |  |  |
Credit risk concentration | Single-Family Rental |  |  |  |
Loans and Investments |  |  |  |
Amortized cost basis | $ 101,963 |  |  |
Allowance for credit losses - CECL | $ 101,963 |  |  |
Percent of Total | 2.00% |  |  |
Wtd. Avg. First Dollar LTV Ratio (as percent) | 0.00% |  |  |
Wtd. Avg. Last Dollar LTV Ratio (as percent) | 75.00% |  |  |
Total assets | Credit risk concentration |  |  |  |
Loans and Investments |  |  |  |
Loan Count | loan | 23 | 24 |  |
Number of different borrowers | borrower | 5 | 5 |  |
Concentration risk, percentage | 13.00% | 13.00% |  |
Bridge loans |  |  |  |
Loans and Investments |  |  |  |
Loans and investments, gross | $ 4,504,232 | $ 3,836,832 |  |
Percent of Total | 91.00% | 90.00% |  |
Loan Count | loan | 234 | 217 |  |
Wtd. Avg. Pay Rate (as a percent) | 5.37% | 5.77% |  |
Wtd. Avg. Remaining Months to Maturity | 16 months 18 days | 18 months |  |
Wtd. Avg. First Dollar LTV Ratio (as percent) | 1.00% | 0.00% |  |
Wtd. Avg. Last Dollar LTV Ratio (as percent) | 77.00% | 75.00% |  |
Bridge loans | Single-Family Rental |  |  |  |
Loans and Investments |  |  |  |
Number of loans under the loan portfolio | loan | 5 | 11 |  |
Total loan commitment | $ 53,400 | $ 66,700 |  |
Preferred equity investments |  |  |  |
Loans and Investments |  |  |  |
Loans and investments, gross | $ 216,934 | $ 181,058 |  |
Percent of Total | 4.00% | 4.00% |  |
Loan Count | loan | 12 | 10 |  |
Wtd. Avg. Pay Rate (as a percent) | 8.33% | 7.62% |  |
Wtd. Avg. Remaining Months to Maturity | 53 months 9 days | 68 months 24 days |  |
Wtd. Avg. First Dollar LTV Ratio (as percent) | 67.00% | 69.00% |  |
Wtd. Avg. Last Dollar LTV Ratio (as percent) | 89.00% | 89.00% |  |
Mezzanine loans |  |  |  |
Loans and Investments |  |  |  |
Loans and investments, gross | $ 170,917 | $ 191,575 |  |
Percent of Total | 3.00% | 4.00% |  |
Loan Count | loan | 28 | 24 |  |
Wtd. Avg. Pay Rate (as a percent) | 7.78% | 9.70% |  |
Wtd. Avg. Remaining Months to Maturity | 46 months 27 days | 36 months 21 days |  |
Wtd. Avg. First Dollar LTV Ratio (as percent) | 28.00% | 22.00% |  |
Wtd. Avg. Last Dollar LTV Ratio (as percent) | 78.00% | 73.00% |  |
Other |  |  |  |
Loans and Investments |  |  |  |
Loans and investments, gross | $ 80,055 | $ 70,146 |  |
Percent of Total | 2.00% | 2.00% |  |
Loan Count | loan | 20 | 21 |  |
Wtd. Avg. Pay Rate (as a percent) | 5.10% | 2.88% |  |
Wtd. Avg. Remaining Months to Maturity | 73 months 24 days | 84 months 24 days |  |
Wtd. Avg. First Dollar LTV Ratio (as percent) | 0.00% | 0.00% |  |
Wtd. Avg. Last Dollar LTV Ratio (as percent) | 69.00% | 70.00% |  |
Other | Single-Family Rental |  |  |  |
Loans and Investments |  |  |  |
Number of loans under the loan portfolio | loan | 19 | 12 |  |
Total loan commitment | $ 73,700 | $ 41,600 |  |
Unpaid principal balance, funded | $ 28,300 | $ 30,000 |  |
Other | Purchased Loans [Member] |  |  |  |
Loans and Investments |  |  |  |
Number of loans under the loan portfolio | loan | 1 | 9 |  |
Total loan commitment | $ 6,400 | $ 28,600 |  |

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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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