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REVENUE FROM CONTRACTS WITH CUSTOMERS - Revenue By Operating Segment (Details) - USD ($) | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Disaggregation of Revenue [Line Items] |  |
Total non-interest income | $ 5,475,000 | $ 4,847,000
Overdraft fees |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 965,000 | 979,000
Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 199,000 | 205,000
Interchange revenue from debit card transactions |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 1,035,000 | 920,000
WMG fee income |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 2,316,000 | 2,109,000
CFS fee and commission income |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 110,000 | 139,000
Net gains on sales of OREO |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 44,000 | 17,000
Net gains on sales of loans |  |
Disaggregation of Revenue [Line Items] |  |
Financial services revenue | 46,000 | 69,000
Loan servicing fees |  |
Disaggregation of Revenue [Line Items] |  |
Financial services revenue | 22,000 | 20,000
Other |  |
Disaggregation of Revenue [Line Items] |  |
Financial services revenue | 738,000 | 389,000
Core Banking |  |
Disaggregation of Revenue [Line Items] |  |
Total non-interest income | 3,183,000 | 2,605,000
Core Banking | Overdraft fees |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 965,000 | 979,000
Core Banking | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 199,000 | 205,000
Core Banking | Interchange revenue from debit card transactions |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 1,035,000 | 920,000
Core Banking | WMG fee income |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 0 | 0
Core Banking | CFS fee and commission income |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 0 | 0
Core Banking | Net gains on sales of OREO |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 44,000 | 17,000
Core Banking | Net gains on sales of loans |  |
Disaggregation of Revenue [Line Items] |  |
Financial services revenue | 46,000 | 69,000
Core Banking | Loan servicing fees |  |
Disaggregation of Revenue [Line Items] |  |
Financial services revenue | 22,000 | 20,000
Core Banking | Other |  |
Disaggregation of Revenue [Line Items] |  |
Financial services revenue | 872,000 | 395,000
WMG |  |
Disaggregation of Revenue [Line Items] |  |
Total non-interest income | 2,316,000 | 2,109,000
WMG | Overdraft fees |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 0 | 0
WMG | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 0 | 0
WMG | Interchange revenue from debit card transactions |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 0 | 0
WMG | WMG fee income |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 2,316,000 | 2,109,000
WMG | CFS fee and commission income |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 0 | 0
WMG | Net gains on sales of OREO |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 0 | 0
WMG | Net gains on sales of loans |  |
Disaggregation of Revenue [Line Items] |  |
Financial services revenue | 0 | 0
WMG | Loan servicing fees |  |
Disaggregation of Revenue [Line Items] |  |
Financial services revenue | 0 | 0
WMG | Other |  |
Disaggregation of Revenue [Line Items] |  |
Financial services revenue | 0 | 0
Holding Company, CFS, and CRM |  |
Disaggregation of Revenue [Line Items] |  |
Total non-interest income | (24,000) | 133,000
Holding Company, CFS, and CRM | Overdraft fees |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 0 | 0
Holding Company, CFS, and CRM | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 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
Holding Company, CFS, and CRM | WMG fee income |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 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 | 110,000 | 139,000
Holding Company, CFS, and CRM | Net gains on sales of OREO |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contract with customer, including assessed tax | 0 | 0
Holding Company, CFS, and CRM | Net gains on sales of loans |  |
Disaggregation of Revenue [Line Items] |  |
Financial services revenue | 0 | 0
Holding Company, CFS, and CRM | Loan servicing fees |  |
Disaggregation of Revenue [Line Items] |  |
Financial services revenue | 0 | 0
Holding Company, CFS, and CRM | Other |  |
Disaggregation of Revenue [Line Items] |  |
Financial services revenue | $ (134,000) | $ (6,000)

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