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Transfers of financial assets and mortgage servicing assets | 9 Months Ended
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Sep. 30, 2018
Transfers and Servicing of Financial Assets |
Transfers Of Financial Assets And Mortgage Servicing Assets | Note 12 – Transfers of financ ial assets and mortgage servicing assets The Corporation typically transfers conforming residential mortgage lo ans in conjunction with GNMA and FNMA securitization transactions whereby the loans are exchanged for cash or securities and servicing rights. As seller, the Corporation has made certain representations and warranties with respect to the originally transferred loans and, in the past, has sold certain loans with credit recourse to a government-sponsored entity, namely FNMA. Refer to Note 21 to the Consolidated Financial S tatements for a description of such arrangements. No liabilities were incurred as a result of these securitizations during the quarters and nine months ended September 30, 2018 and 2017 because they did not contain any credit recourse arrangements. During the quarter and nine months ended September 30, 2018, the Corporation recorded a net gain of $2.9 million and $6.2 million, respectively (September 30, 2017 - $3.9 million and $15.0 million, respectively) related to th e residential mortgage loans securitized. The following tables present the initial fair value of the assets obtained as proceeds from residential mortgage loans securitiz ed during the quarters and nine months ended September 30, 2018 and 2017:
|  | Proceeds Obtained During the Quarter Ended September 30, 2018
(In thousands) | Level 1 | Level 2 | Level 3 | Initial Fair Value
Assets |  |  |  |  |  |  |  |
Debt securities available-for-sale: |  |  |  |  |  |  |  |
Mortgage-backed securities - FNMA | $ | - | $ | 2,498 | $ | - | $ | 2,498
Total debt securities available-for-sale | $ | - | $ | 2,498 | $ | - | $ | 2,498
Trading account debt securities: |  |  |  |  |  |  |  |
Mortgage-backed securities - GNMA | $ | - | $ | 109,911 | $ | - | $ | 109,911
Mortgage-backed securities - FNMA |  | - |  | 23,625 |  | - |  | 23,625
Total trading account debt securities | $ | - | $ | 133,536 | $ | - | $ | 133,536
Mortgage servicing rights | $ | - | $ | - | $ | 2,625 | $ | 2,625
Total | $ | - | $ | 136,034 | $ | 2,625 | $ | 138,659
|  | Proceeds Obtained During the Nine Months Ended September 30, 2018
(In thousands) | Level 1 | Level 2 | Level 3 | Initial Fair Value
Assets |  |  |  |  |  |  |  |
Debt securities available-for-sale: |  |  |  |  |  |  |  |
Mortgage-backed securities - FNMA | $ | - | $ | 9,458 | $ | - | $ | 9,458
Total debt securities available-for-sale | $ | - | $ | 9,458 | $ | - | $ | 9,458
Trading account debt securities: |  |  |  |  |  |  |  |
Mortgage-backed securities - GNMA | $ | - | $ | 319,769 | $ | - | $ | 319,769
Mortgage-backed securities - FNMA |  | - |  | 62,853 |  | - |  | 62,853
Total trading account debt securities | $ | - | $ | 382,622 | $ | - | $ | 382,622
Mortgage servicing rights | $ | - | $ | - | $ | 7,198 | $ | 7,198
Total | $ | - | $ | 392,080 | $ | 7,198 | $ | 399,278
|  | Proceeds Obtained During the Quarter Ended September 30, 2017
(In thousands) | Level 1 | Level 2 | Level 3 | Initial Fair Value
Assets |  |  |  |  |  |  |  |
Debt securities available-for-sale: |  |  |  |  |  |  |  |
Mortgage-backed securities - FNMA | $ | - | $ | 4,329 | $ | - | $ | 4,329
Total debt securities available-for-sale | $ | - | $ | 4,329 | $ | - | $ | 4,329
Trading account debt securities: |  |  |  |  |  |  |  |
Mortgage-backed securities - GNMA | $ | - | $ | 85,722 | $ | - | $ | 85,722
Mortgage-backed securities - FNMA |  | - |  | 16,452 |  | - |  | 16,452
Total trading account debt securities | $ | - | $ | 102,174 | $ | - | $ | 102,174
Mortgage servicing rights | $ | - | $ | - | $ | 1,588 | $ | 1,588
Total | $ | - | $ | 106,503 | $ | 1,588 | $ | 108,091
|  | Proceeds Obtained During the Nine Months Ended September 30, 2017
(In thousands) | Level 1 | Level 2 | Level 3 | Initial Fair Value
Assets |  |  |  |  |  |  |  |
Debt securities available-for-sale: |  |  |  |  |  |  |  |
Mortgage-backed securities - FNMA | $ | - | $ | 16,049 | $ | - | $ | 16,049
Total debt securities available-for-sale | $ | - | $ | 16,049 | $ | - | $ | 16,049
Trading account debt securities: |  |  |  |  |  |  |  |
Mortgage-backed securities - GNMA | $ | - | $ | 368,660 | $ | - | $ | 368,660
Mortgage-backed securities - FNMA |  | - |  | 69,798 |  | - |  | 69,798
Total trading account debt securities | $ | - | $ | 438,458 | $ | - | $ | 438,458
Mortgage servicing rights | $ | - | $ | - | $ | 6,766 | $ | 6,766
Total | $ | - | $ | 454,507 | $ | 6,766 | $ | 461,273
During the nine months ended September 30, 2018, the Corporation retained servicing rights on whole loan sales involving approximately $43 million in principal balance outstanding (September 30, 2017 - $49 million), with realized gains of approximately $0.6 million (September 30, 2017 - gains of $1.8 million). All loan sales performed during the nine months ended September 30, 2018 and 2017 were without credit recourse agreements. The Corporation recognizes as assets the rights to service loans for others, whether these rights are purchased or result from asset transfers such as sales and securitizations. These mortgage servicing rights (“MSR”) are measured at fair value. The Corporation uses a di scounted cash flow model to estimate the fair value of MSRs. The discounted cash flow model incorporates assumptions that market participants would use in estimating fut ure net servicing income, including estimates of prepayment speeds, discount rate, cost to service, escrow account earnings, contractual servicing fee income, prepayment and late fees, among other considerations. Prepayment speeds are adjusted for the Corporation’s loan characteristics and portfolio behavior. The following table presents th e changes in MSRs measured using the fair value method for the nine months ended September 30, 2018 and 2017.
Residential MSRs
(In thousands) | September 30, 2018 | September 30, 2017
Fair value at beginning of period | $ | 168,031 | $ | 196,889
Additions |  | 7,871 |  | 7,530
Changes due to payments on loans[1] |  | (10,194) |  | (12,794)
Reduction due to loan repurchases |  | (2,929) |  | (1,605)
Changes in fair value due to changes in valuation model inputs or assumptions |  | - |  | (9,863)
Fair value at end of period | $ | 162,779 | $ | 180,157
[1] Represents changes due to collection / realization of expected cash flows over time.
Residential mortgage loans serviced for others were $15.9 billion at September 30, 2018 (December 31, 2017 -$16.1 billion). Net mortgage servicing fees, a component of mortgage banking activities in the Consolidated Statements of Operations, include the changes from period to period in the fair value of the MSRs, including changes due to collection / realization of expected cash flows. The banking subsidiaries receive servicing fees based on a percentage of the outstanding loan bal ance. These servicing fees are credited to income whe n they are collected. At September 30, 2018, those weighted average mortgage servicing fees were 0.30% (September 30, 2017 - 0.29%). Under these servicing agreements, the banking subsidiaries do not generally earn significant prepayment penalty fees on the underlying loans serviced. The section below includes information on assumptions used in the valuation model of the MSRs, originated and purchased. Key economic assumptions used in measuring the servicing rights derived from loans securitized or sold by the Corporation during the quarters and nine mont hs ended September 30, 2018 and 2017 were as follows:
| Quarters ended | Nine months ended
| September 30, 2018 | September 30, 2017 | September 30, 2018 | September 30, 2017
Prepayment speed | 4.4 | % | 4.9 | % | 4.4 | % | 4.3 | %
Weighted average life (in years) | 11.4 |  | 10.5 |  | 11.4 |  | 10.9 |
Discount rate (annual rate) | 11.0 | % | 10.9 | % | 11.1 | % | 10.9 | %
Key economic assumptions used to estimate the fair value of MSRs derived from sales and securitizations of mortgage loans performed by the banking subsidiaries and servicing rights purchased from other financial institutions, and the sensitivity to immedia te changes in those assumptions, were as follows as of the end of the periods reported:
|  | Originated MSRs | Purchased MSRs
|  | September 30, | December 31, | September 30, | December 31,
(In thousands) | 2018 | 2017 | 2018 | 2017
Fair value of servicing rights | $ | 67,545 |  | $ | 73,951 |  | $ | 95,234 |  | $ | 94,080 |
Weighted average life (in years) |  | 7.2 |  |  | 7.3 |  |  | 6.7 |  |  | 6.5 |
Weighted average prepayment speed (annual rate) |  | 5.0 | % |  | 5.1 | % |  | 5.4 | % |  | 5.7 | %
| Impact on fair value of 10% adverse change | $ | (1,371) |  | $ | (1,503) |  | $ | (2,023) |  | $ | (2,070) |
| Impact on fair value of 20% adverse change | $ | (2,702) |  | $ | (2,976) |  | $ | (3,982) |  | $ | (3,999) |
Weighted average discount rate (annual rate) |  | 11.5 | % |  | 11.5 | % |  | 11.0 | % |  | 11.0 | %
| Impact on fair value of 10% adverse change | $ | (3,005) |  | $ | (3,091) |  | $ | (4,071) |  | $ | (3,785) |
| Impact on fair value of 20% adverse change | $ | (5,789) |  | $ | (5,971) |  | $ | (7,850) |  | $ | (7,235) |
The sensitivity analyses presented in the tables above for servicing rights are hypothetical and should be used with caution. As the figures indicate, changes in fair value based on a 10 and 20 percent variation in assumptions generally cannot be extrapolated because the relationship of the change in assumption to the change in fair value may not be linear. Also, in the sensitivity tables included herein, the effect of a variation in a particular assumption on the fair value of the retained interes t is calculated without changing any other assumption. In reality, changes in one factor may result in changes in another (for example, increases in market interest rates may result in lower prepayments and increased credit losses), which might magnify or counteract the sensitivities. At September 30, 2018, the Corporation serviced $1.4 billion (December 31, 2017 - $1.5 billion) in residential mortgage loans with credit recourse to the Corporation. Under the GNMA securitizations, the Corpo ration, as servicer, has the right to repurchase (but not the obligation), at its option and without GNMA’s prior authorization, any loan that is collateral for a GNMA guaranteed mortgage-backed security when certain delinquency criteria are met. At the ti me that individual loans meet GNMA’s specified delinquency criteria and are eligible for repurchase, the Corporation is deemed to have regained effective control over these loans if the Corporation was the pool issuer. At September 30, 2018, t he Corporation had recorded $195 million in mortgage loans on its Consolidated Statements of F inancial Condition related to this buy-back option program (December 31, 2017 - $840 million). As long as the Corporation continues to service the l oans that continue to be collateral in a GNMA guaranteed mortgage-backed security, the MSR is recognized by the Corporation. During the nine months ended September 30, 2018, the Corporation repurchased approximately $264 million (September 30, 2017 - $113 million) of mortgage loans under the GNMA buy-back option program. The determination to repurchase these loans was based on the economic benefits of the transaction, which results in a reduction of the servicing costs for these s everely delinquent loans, mostly related to principal and interest advances. Furthermore, due to their guaranteed nature, the risk associated with the loans is minimal. The Corporation places these loans under its loss mitigation programs and once brought back to current status, these may be either retained in portfolio or re-sold in the secondary market.

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- Definition The entire disclosure for a transferor's continuing involvement in financial assets that it has transferred in a securitization or asset-backed financing arrangement, the nature of any restrictions on assets reported by an entity in its statement of financial position that relate to a transferred financial asset (including the carrying amounts of such assets), how servicing assets and servicing liabilities are reported, and (for securitization or asset-backed financing arrangements accounted for as sales) when a transferor has continuing involvement with the transferred financial assets and transfers of financial assets accounted for as secured borrowings, how the transfer of financial assets affects an entity's financial position, financial performance, and cash flows. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -URI http://asc.fasb.org/topic&trid=2197590 + Details
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