MORTGAGE BANKING AND LOAN SERVICING -Mortgage Servicing Assets and Valuation Allowance - (Details) - Mortgage servicing rights - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
|
| Mortgage servicing assets and interest rate locks | |||
| Balance at the beginning of the period | $ 6,120 | $ 5,708 | $ 5,155 |
| Servicing assets capitalized | 1,636 | 1,525 | 988 |
| Servicing rights acquired | 1,164 | 594 | |
| Amortization of servicing assets | (1,510) | (1,313) | (1,004) |
| Change in valuation allowance | 200 | (25) | |
| Balance at the end of the period | 7,410 | 6,120 | 5,708 |
| Valuation allowance: | |||
| Balance at the beginning of the period | 200 | 400 | 375 |
| Additions expensed | 175 | 25 | 75 |
| Reductions credited to operations | (175) | (225) | (50) |
| Balance at the end of the period | $ 200 | $ 200 | $ 400 |