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GOODWILL AND OTHER INTANGIBLES (Carrying Value And Accumulated Amortization Of The Intangible Assets) (Details) - USD ($) |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Jul. 01, 2017 | Jan. 05, 2005 | Jan. 05, 2005 | Dec. 31, 2017 | Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Date of Acquisition, Russell Insurance Group, Inc. |  |  |  | Jan. 05, 2005 |
Contingent Consideration, Russell Insurance Group, Inc. |  | $ 3,000,000 | $ 3,000,000 |  |
Length of Period Subsequent to Acquisition Subject to Performance Criteria to Determine Contingent Consideration |  |  | 3 years |  |
Total consideration paid |  | $ 8,663,000 |  |  |
Goodwill |  |  |  | $ 19,580,000 | $ 6,308,000
Gross Carrying Amount of Intangible Asset |  |  |  | 9,085,000 | 6,667,000
Accumulated Amortization of Intangible Asset |  |  |  | 6,516,000 | 5,979,000
RIG Customer Lists, Purchased in 2005 |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross Carrying Amount of Intangible Asset |  |  |  | 3,282,000 | 3,282,000
Accumulated Amortization of Intangible Asset |  |  |  | 3,282,000 | 3,282,000
RIG Customer Lists, Purchased in 2007 |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross Carrying Amount of Intangible Asset |  |  |  | 637,000 | 637,000
Accumulated Amortization of Intangible Asset |  |  |  | 637,000 | 587,000
RIG Customer Lists, Purchased in 2008 |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross Carrying Amount of Intangible Asset |  |  |  | 1,165,000 | 1,165,000
Accumulated Amortization of Intangible Asset |  |  |  | 1,101,000 | 992,000
RIG Customer Lists, Purchased in 2009 |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross Carrying Amount of Intangible Asset |  |  |  | 1,300,000 | 1,300,000
Accumulated Amortization of Intangible Asset |  |  |  | 1,170,000 | 1,040,000
RIG Customer Lists, Purchased in 2010 |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross Carrying Amount of Intangible Asset |  |  |  | 33,000 | 33,000
Accumulated Amortization of Intangible Asset |  |  |  | 26,000 | 23,000
RIG Customer Lists, Purchased in 2014 |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross Carrying Amount of Intangible Asset |  |  |  | 77,000 | 77,000
Accumulated Amortization of Intangible Asset |  |  |  | 31,000 | 23,000
RIG Customer Lists, Purchased in 2015 |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross Carrying Amount of Intangible Asset |  |  |  | 173,000 | 173,000
Accumulated Amortization of Intangible Asset |  |  |  | $ 49,000 | 32,000
Core Deposits |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible asset amortization life |  |  |  | 10 years |
RIG |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Goodwill |  |  |  | $ 6,308,000 |
RIG | Customer Lists |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Gross Carrying Amount of Intangible Asset |  |  |  | 6,667,000 | 6,667,000
Accumulated Amortization of Intangible Asset |  |  |  | 6,296,000 | 5,979,000
New Windsor |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Total consideration paid | $ 33,289,975 |  |  |  |
Goodwill | $ 13,272,000 |  |  | 13,300,000 |
New Windsor | Core Deposits |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible asset amortization life | 10 years |  |  |  |
Gross Carrying Amount of Intangible Asset |  |  |  | 2,418,000 | 0
Accumulated Amortization of Intangible Asset |  |  |  | $ 220,000 | $ 0
Minimum |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible asset amortization life |  |  |  | 5 years |
Minimum | Customer Lists |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible asset amortization life |  |  |  | 8 years |
Maximum |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible asset amortization life |  |  |  | 15 years |
Maximum | Customer Lists |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible asset amortization life |  |  |  | 13 years |

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