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FAIR VALUE MEASUREMENTS (Details) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | ---
U.S. Government Treasury [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | $ 252,941 | $ 261,849
U.S. Government Agency [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 133,593 | 133,206
States and Political Subdivisions [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 33,856 | 42,365
Mortgage-Backed Securities [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 779 | 943
Equity Securities [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 7,847 | 7,794
Level 1 Inputs [Member] | U.S. Government Treasury [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 252,941 | 261,849
Level 1 Inputs [Member] | U.S. Government Agency [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 0 | 0
Level 1 Inputs [Member] | States and Political Subdivisions [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 0 | 0
Level 1 Inputs [Member] | Mortgage-Backed Securities [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 0 | 0
Level 1 Inputs [Member] | Equity Securities [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 0 | 0
Fair Value, Inputs, Level 2 [Member] | U.S. Government Treasury [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 0 | 0
Fair Value, Inputs, Level 2 [Member] | U.S. Government Agency [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 133,593 | 133,206
Fair Value, Inputs, Level 2 [Member] | States and Political Subdivisions [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 33,856 | 42,365
Fair Value, Inputs, Level 2 [Member] | Mortgage-Backed Securities [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 779 | 943
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 7,847 | 7,794
Fair Value, Inputs, Level 3 [Member] | U.S. Government Treasury [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 0 | 0
Fair Value, Inputs, Level 3 [Member] | U.S. Government Agency [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 0 | 0
Fair Value, Inputs, Level 3 [Member] | States and Political Subdivisions [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Mortgage-Backed Securities [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | 0 | 0
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] |  |
ASSETS: |  |
Assets, Fair Value Disclosure | $ 0 | $ 0

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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