PREMISES AND EQUIPMENT (Narrative) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
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| Property, Plant and Equipment [Abstract] | |||
| Depreciation expense | $ 11,183 | $ 10,215 | $ 10,776 |
| Renewable lease period, maximum | 20 years | ||
| Rental expense | $ 6,900 | $ 7,100 | $ 7,800 |
| X | ||||||||||
- Definition Renewable lease period. No definition available.
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| X | ||||||||||
- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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