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Distressed and Other Residential Mortgage Loans, At Fair Value (Tables) | 9 Months Ended
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Sep. 30, 2019
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Abstract] |
Schedule of Residential Mortgage Loans At Fair Value | The Company’s distressed and other residential mortgage loans at fair value consist of the following as of September 30, 2019 and December 31, 2018, respectively (dollar amounts in thousands):
| Principal |  | Premium/(Discount) |  | Unrealized Gains/(Losses) |  | Carrying Value
September 30, 2019 | $ | 1,150,176 |  |  | $ | (72,684 | ) |  | $ | 38,636 |  |  | $ | 1,116,128 |
December 31, 2018 | 788,372 |  |  | (54,905 | ) |  | 4,056 |  |  | 737,523 |
Schedule of Components of Net Gain on Residential Mortgage Loans at Fair Value | The following table presents the components of realized gains (losses), net and unrealized gains (losses), net attributable to distressed and other residential mortgage loans at fair value for the three and nine months ended September 30, 2019 and 2018, respectively (dollar amounts in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Net realized gains on payoff and sale of loans | $ | 1,658 |  |  | $ | 1,127 |  |  | $ | 7,177 |  |  | $ | 1,496 |
Net unrealized gains (losses) | 16,818 |  |  | (484 | ) |  | 34,580 |  |  | (923 | )
Schedule of Geographic Concentration of Credit Risk | The geographic concentrations of credit risk exceeding 5% of the unpaid principal balance of distressed and other residential mortgage loans at fair value as of September 30, 2019 and December 31, 2018, respectively, are as follows:
| September 30, 2019 |  | December 31, 2018
California | 23.2 | % |  | 27.9 | %
Florida | 9.8 | % |  | 9.0 | %
Texas | 6.0 | % |  | 4.2 | %
New York | 6.0 | % |  | 5.1 | %
The geographic concentrations of credit risk exceeding 5% of the total loan balances in our residential mortgage loans held in securitization trusts as of September 30, 2019 and December 31, 2018 are as follows:
| September 30, 2019 |  | December 31, 2018
New York | 36.0 | % |  | 33.9 | %
Massachusetts | 17.5 | % |  | 20.0 | %
New Jersey | 12.6 | % |  | 14.5 | %
Florida | 11.8 | % |  | 9.9 | %
Maryland | 5.4 | % |  | 5.3 | %
The geographic concentrations of credit risk exceeding 5% of the unpaid principal balance of our distressed residential mortgage loans, net as of September 30, 2019 and December 31, 2018, respectively, are as follows:
| September 30, 2019 |  | December 31, 2018
North Carolina | 10.3 | % |  | 9.0 | %
Florida | 10.0 | % |  | 10.4 | %
Georgia | 7.1 | % |  | 7.2 | %
South Carolina | 5.7 | % |  | 5.6 | %
Virginia | 5.6 | % |  | 5.3 | %
Texas | 5.5 | % |  | 4.9 | %
New York | 5.3 | % |  | 5.4 | %
Ohio | 5.2 | % |  | 5.0 | %
The geographic concentrations of credit risk exceeding 5% of the total loan balances related to multi-family loans held in securitization trusts as of September 30, 2019 and our CMBS investments included in investment securities available for sale, held in securitization trusts, and multi-family loans held in securitization trusts as of December 31, 2018 are as follows:
| September 30, 2019 |  | December 31, 2018
California | 15.4 | % |  | 14.8 | %
Texas | 12.0 | % |  | 13.0 | %
Maryland | 6.3 | % |  | 5.0 | %
Florida | 5.4 | % |  | 4.5 | %
Schedule of Residential Mortgage Loans, Fair Value Compared to Unpaid Principal | The following table presents the fair value and aggregate unpaid principal balance of the Company's distressed and other residential mortgage loans at fair value greater than 90 days past due and in non-accrual status as of September 30, 2019 and December 31, 2018, respectively (dollar amounts in thousands):
| Fair Value |  | Unpaid Principal Balance
September 30, 2019 | $ | 71,251 |  |  | $ | 87,882 |
December 31, 2018 | 60,117 |  |  | 75,167 |

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