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Mortgage Banking | 12 Months Ended
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Dec. 31, 2016
Mortgage Banking [Abstract] |
Mortgage Banking | Note 4 – Mortgage Banking Activity in secondary market loans during the year was as follows:
(Dollars in thousands) |  |  |  |  |  |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Loans originated for resale, net of principal payments |  | $ | 53,591 |  |  | $ | 47,498 |  |  | $ | 29,850 |
Proceeds from loan sales |  |  | 57,830 |  |  |  | 46,077 |  |  |  | 29,561 |
Net gains on sales of loans held for sale |  |  | 1,748 |  |  |  | 1,416 |  |  |  | 1,023 |
Loan servicing fees, net of amortization |  |  | 159 |  |  |  | 113 |  |  |  | 166 |
Net gains on sales of loans held for sale include capitalization of loan servicing rights. Loans serviced for others are not reported as assets in the accompanying consolidated balance sheets. The unpaid principal balances of these loans were $103.6 million and $79.4 million at December 31, 2016 and 2015, respectively. The Bank maintains custodial escrow balances in connection with these serviced loans; however, such escrows were immaterial at December 31, 2016 and 2015. Activity for loan servicing rights (included in other assets) was as follows:
(Dollars in thousands) |  |  |  |  |  |  |  |  |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Balance, beginning of year |  | $ | 378 |  |  | $ | 489 |  |  | $ | 544 |
Capitalized |  |  | 491 |  |  |  | 49 |  |  |  | 73 |
Amortization |  |  | (172 | ) |  |  | (160 | ) |  |  | (128 | )
Balance, end of year |  | $ | 698 |  |  | $ | 378 |  |  | $ | 489 |
The fair value of loan servicing rights was $1,029,000 and $739,000 as of December 31, 2016 and 2015, respectively. Consequently, a valuation allowance was not necessary at year-end 2016 or 2015. The fair value of servicing rights at December 31, 2016 was determined using a discount rate of 5.82% and prepayment speeds ranging from 10% to 19%. The fair value of servicing rights at December 31, 2015 was determined using a discount rate of 6.37% and prepayment speeds ranging from 9% to 13%.

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- Definition The entire disclosure for mortgage loans on real estate, this includes the supplemental information pertaining to each mortgage loan receivable that equals or exceeds three percent of the carrying amount of mortgages. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 + Details
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