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Mortgage Banking Activities, Net (Tables) | 12 Months Ended
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Dec. 31, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Components of Mortgage Banking Activities, Net | The following table presents the components of Mortgage banking activities, net, recorded in our consolidated statements of income for the years ended December 31, 2017, 2016, and 2015. Table 17.1 – Mortgage Banking Activities
|  | Years Ended December 31,
(In Thousands) |  | 2017 |  | 2016 |  | 2015
Residential Mortgage Banking Activities, Net |  |  |  |  |  |
Changes in fair value of: |  |  |  |  |  |
Residential loans, at fair value (1) |  | $ | 69,373 |  |  | $ | 31,399 |  |  | $ | 53,946 |
Sequoia securities |  | — |  |  | 1,455 |  |  | (15,261 | )
Risk management derivatives (2) |  | (17,529 | ) |  | 5,696 |  |  | (34,457 | )
Other income (expense), net (3) |  | 2,064 |  |  | 2,203 |  |  | 4,040 |
Total residential mortgage banking activities, net |  | 53,908 |  |  | 40,753 |  |  | 8,268 |
Commercial Mortgage Banking Activities, Net |  | — |  |  | (2,062 | ) |  | 2,704 |
Mortgage Banking Activities, Net |  | $ | 53,908 |  |  | $ | 38,691 |  |  | $ | 10,972 |
(1) | Includes changes in fair value for associated loan purchase and forward sale commitments.
(2) | Represents market valuation changes of derivatives that were used to manage risks associated with our accumulation of residential loans.
(3) | Amounts in this line item include other fee income from loan acquisitions and the provision for repurchases expense, presented net.

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- Definition Tabular disclosure of the components of mortgage banking activities, net. This includes market valuations related to residential and commercial loans, retained Sequoia IOs, and mortgage banking derivatives, as well as realized gains or losses associated with residential and commercial loan sales and securitizations. + References No definition available. + Details
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