Real Estate Securities - Gross Realized Gains and Losses on Sales and Calls of Available for Sale Securities (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2016 |
Sep. 30, 2015 |
Sep. 30, 2016 |
Sep. 30, 2015 |
|
| Schedule of Available-for-sale Securities [Line Items] | ||||
| Gross realized gains | $ 1,990 | $ 4,053 | $ 22,395 | $ 14,315 |
| Gross realized losses | 0 | 0 | (2,293) | 0 |
| Total Realized Gains on Sales and Calls of AFS Securities, net | 1,990 | 5,548 | 21,312 | 16,170 |
| Calls | ||||
| Schedule of Available-for-sale Securities [Line Items] | ||||
| Gross realized gains | 0 | 1,607 | 1,210 | 1,967 |
| Gross realized losses | $ 0 | $ (112) | $ 0 | $ (112) |