REVENUE FROM CONTRACTS WITH CUSTOMERS (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Revenue from Contract with Customer [Abstract]
Receivables from customers	$ 654		$ 654		$ 682
Disaggregation of Revenue [Line Items]
Other service charges	606	$ 194	780	$ 321
Mortgage banking activities	679	813	1,314	1,316
Earnings on life insurance	291	271	568	539
Other income	135	32	216	113
Investment securities gains	46	654	862	657
Total noninterest income	5,505	5,623	11,207	9,958
Service charges on deposits
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	835	851	1,673	1,655
Trust and investment management income
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	1,701	1,623	3,369	3,069
Brokerage income
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	501	518	1,059	985
Merchant and bankcard fees (interchange income)
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	711	667	1,366	1,303
Noninterest income
Disaggregation of Revenue [Line Items]
Revenue from contract with customer	$ 3,748	$ 3,659	$ 7,467	$ 7,012

For an unclassified balance sheet, the amount due from customers or clients for goods or services that have been delivered or sold in the normal course of business, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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Income from mortgage banking activities (fees and commissions) and servicing real estate mortgages, credit cards, and other financial assets held by others net of any related impairment of capitalized service costs. Also includes any premiums received in lieu of regular servicing fees on such loans only as earned over the life of the loans.

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