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REVENUE FROM CONTRACTS WITH CUSTOMERS - Revenue By Operating Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Disaggregation of Revenue [Line Items] |  |  |  |
Gains (losses) on sales of other real estate | $ (48) | $ (9) | $ (4) | $ 8
Financial services revenue | 59 | 53 | 105 | 122
Total non-interest income | 5,325 | 5,022 | 10,800 | 9,869
Overdraft fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 939 | 971 | 1,904 | 1,950
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 205 | 254 | 404 | 459
Interchange revenue from debit card transactions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 996 | 964 | 2,031 | 1,884
WMG fee income |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 2,373 | 2,269 | 4,689 | 4,378
CFS fee and commission income |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 135 | 174 | 245 | 312
Net gains (losses) on sales of OREO |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Gains (losses) on sales of other real estate | (48) | (9) | (4) | 8
Net gains on sales of loans |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue | 59 | 53 | 105 | 122
Loan servicing fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue | 22 | 21 | 45 | 41
Sale of securities |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 0 | 12 | 0 | 12
Financial services revenue |  | 12 |  | 12
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue | 644 | 313 | 1,381 | 703
Core Banking |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total non-interest income | 2,822 | 2,634 | 6,005 | 5,239
Core Banking | Overdraft fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 939 | 971 | 1,904 | 1,950
Core Banking | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 205 | 254 | 404 | 459
Core Banking | Interchange revenue from debit card transactions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 996 | 964 | 2,031 | 1,884
Core Banking | WMG fee income |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 0 | 0 | 0 | 0
Core Banking | CFS fee and commission income |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 0 | 0 | 0 | 0
Core Banking | Net gains (losses) on sales of OREO |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Gains (losses) on sales of other real estate | (48) | (9) | (4) | 8
Core Banking | Net gains on sales of loans |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue | 59 | 53 | 105 | 122
Core Banking | Loan servicing fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue | 22 | 21 | 45 | 41
Core Banking | Sale of securities |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue |  | 12 |  | 12
Core Banking | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue | 649 | 368 | 1,520 | 763
WMG |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total non-interest income | 2,373 | 2,269 | 4,689 | 4,378
WMG | Overdraft fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 0 | 0 | 0 | 0
WMG | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 0 | 0 | 0 | 0
WMG | Interchange revenue from debit card transactions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 0 | 0 | 0 | 0
WMG | WMG fee income |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 2,373 | 2,269 | 4,689 | 4,378
WMG | CFS fee and commission income |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 0 | 0 | 0 | 0
WMG | Net gains (losses) on sales of OREO |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Gains (losses) on sales of other real estate | 0 | 0 | 0 | 0
WMG | Net gains on sales of loans |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue | 0 | 0 | 0 | 0
WMG | Loan servicing fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue | 0 | 0 | 0 | 0
WMG | Sale of securities |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue |  | 0 |  | 0
WMG | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue | 0 | 0 | 0 | 0
Holding Company, CFS, and CRM |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Total non-interest income | 130 | 119 | 106 | 252
Holding Company, CFS, and CRM | Overdraft fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 0 | 0 | 0 | 0
Holding Company, CFS, and CRM | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 0 | 0 | 0 | 0
Holding Company, CFS, and CRM | Interchange revenue from debit card transactions |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 0 | 0 | 0 | 0
Holding Company, CFS, and CRM | WMG fee income |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 0 | 0 | 0 | 0
Holding Company, CFS, and CRM | CFS fee and commission income |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contract with customer, including assessed tax | 135 | 174 | 245 | 312
Holding Company, CFS, and CRM | Net gains (losses) on sales of OREO |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Gains (losses) on sales of other real estate | 0 | 0 | 0 | 0
Holding Company, CFS, and CRM | Net gains on sales of loans |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue | 0 | 0 | 0 | 0
Holding Company, CFS, and CRM | Loan servicing fees |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue | 0 | 0 | 0 | 0
Holding Company, CFS, and CRM | Sale of securities |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue |  | 0 |  | 0
Holding Company, CFS, and CRM | Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Financial services revenue | $ (5) | $ (55) | $ (139) | $ (60)

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