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MORTGAGE BANKING INCOME MORTGAGE BANKING INCOME | 12 Months Ended
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Dec. 31, 2017
Other Income and Expenses [Abstract] |
MORTGAGE BANKING INCOME | 15. MORTGAGE BANKING INCOME Noninterest income from the Company's mortgage banking activities include the following components for the periods presented:
| Year Ended December 31,
| 2017 |  | 2016 |  | 2015
| (Dollars in thousands)
Mortgage banking income: |  |  |  |  |
Loan servicing fees | $ | 5,337 |  |  | $ | 5,421 |  |  | $ | 5,656 |
Amortization of mortgage servicing rights | (2,288 | ) |  | (5,066 | ) |  | (4,185 | )
Net gain on sale of residential mortgage loans | 4,069 |  |  | 7,631 |  |  | 6,107 |
Unrealized gain (loss) on interest rate locks | (156 | ) |  | 83 |  |  | (324 | )
Total mortgage banking income | $ | 6,962 |  |  | $ | 8,069 |  |  | $ | 7,254 |

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