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Investment Fair Value Changes, Net (Tables) | 6 Months Ended
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Jun. 30, 2017
Investments, Debt and Equity Securities [Abstract] |
Investment 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 six months ended June 30, 2017 and 2016. Table 18.1 – Investment Fair Value Changes
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
(In Thousands) |  | 2017 |  | 2016 |  | 2017 |  | 2016
Investment Fair Value Changes, Net |  |  |  |  |  |  |  |
Changes in fair value of: |  |  |  |  |  |  |  |
Residential loans held-for-investment, at Redwood |  | $ | 8,354 |  |  | $ | (647 | ) |  | $ | 6,021 |  |  | $ | 22,816 |
Trading securities |  | 18,926 |  |  | 431 |  |  | 30,069 |  |  | (5,170 | )
Net investments in consolidated Sequoia entities |  | (987 | ) |  | (251 | ) |  | (2,797 | ) |  | (1,831 | )
Risk sharing investments |  | (513 | ) |  | (694 | ) |  | (718 | ) |  | (704 | )
Risk management derivatives, net |  | (17,838 | ) |  | (9,600 | ) |  | (22,965 | ) |  | (45,410 | )
Valuation adjustments on commercial loans held-for-sale |  | 300 |  |  | — |  |  | 300 |  |  | — |
Impairments on AFS securities |  | (127 | ) |  | (305 | ) |  | (244 | ) |  | (305 | )
Investment Fair Value Changes, Net |  | $ | 8,115 |  |  | $ | (11,066 | ) |  | $ | 9,666 |  |  | $ | (30,604 | )

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