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Secondary Market Mortgage Activities (Tables) | 12 Months Ended
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Dec. 31, 2018
Mortgage Banking [Abstract] |
Summary of Secondary Market Mortgage Activities | The following summarizes secondary market mortgage activities for the years ended December 31, 2018, 2017, and 2016:
| 2018 |  | 2017 |  | 2016
Loans originated for resale | $ | 22,990 |  |  | $ | 25,231 |  |  | $ | 31,255 |
Proceeds from sales of loans held for sale | 23,311 |  |  | 24,285 |  |  | 33,045 |
Net gains on sales of loans held for sale | 624 |  |  | 545 |  |  | 818 |
Loan servicing fees | 600 |  |  | 563 |  |  | 421 |
Summary of Activity for Capitalized Mortgage Servicing Rights | The following summarizes activity for capitalized mortgage servicing rights for the years ended December 31, 2018, 2017, and 2016:
| 2018 |  | 2017 |  | 2016
Balance, beginning of year | $ | 1,387 |  |  | $ | 1,391 |  |  | $ | 962 |
Additions | 315 |  |  | 198 |  |  | 200 |
Servicing rights acquired | 0 |  |  | 0 |  |  | 367 |
Amortization | (207 | ) |  | (202 | ) |  | (138 | )
Balance, end of year | $ | 1,495 |  |  | $ | 1,387 |  |  | $ | 1,391 |

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