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Investments Fair Value Changes, Net (Tables) | 9 Months Ended
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Sep. 30, 2016
Investments, Debt and Equity Securities [Abstract] |
Investments Fair Value Changes | The following table presents the components of Investment fair value changes, net, recorded in our consolidated statements of income for the three and nine months ended September 30, 2016 and 2015. Table 19.1 – Investment Fair Value Changes
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
(In Thousands) |  | 2016 |  | 2015 |  | 2016 |  | 2015
Investment Fair Value Changes, Net |  |  |  |  |  |  |  |
Changes in fair value of: |  |  |  |  |  |  |  |
Residential loans held-for-investment, at Redwood |  | $ | (655 | ) |  | $ | 9,077 |  |  | $ | 22,161 |  |  | $ | 5,170 |
Trading securities |  | 8,898 |  |  | (8,784 | ) |  | 3,728 |  |  | (1,587 | )
Net investments in consolidated Sequoia entities |  | (255 | ) |  | (500 | ) |  | (2,086 | ) |  | (2,277 | )
Risk sharing investments |  | 15 |  |  | (1,098 | ) |  | (689 | ) |  | (1,799 | )
Risk management derivatives |  | 4,222 |  |  | (12,638 | ) |  | (41,188 | ) |  | (16,386 | )
Valuation adjustments on commercial loans held-for-sale |  | (307 | ) |  | — |  |  | (307 | ) |  | — |
Impairments on AFS securities |  | — |  |  | (226 | ) |  | (305 | ) |  | (226 | )
Investment Fair Value Changes, Net |  | $ | 11,918 |  |  | $ | (14,169 | ) |  | $ | (18,686 | ) |  | $ | (17,105 | )

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