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SECURITIES (Summary Of Available Sale Of Securities) (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
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Information related to available for sale securities [Abstract] |  |
Amortized Cost | $ 591,621 | $ 537,416
Gross Unrealized Gain | 2,795 | 5,169
Gross Unrealized Losses | (8,867) | (4,092)
Fair Value | 585,549 | 538,493
US Treasury Securities [Member] |  |
Information related to available for sale securities [Abstract] |  |
Amortized Cost | 994 | 992
Gross Unrealized Gain | 0 | 5
Gross Unrealized Losses | (7) | 0
Fair Value | 987 | 997
US Government Sponsored Agencies [Member] |  |
Information related to available for sale securities [Abstract] |  |
Amortized Cost | 4,435 | 5,191
Gross Unrealized Gain | 0 | 0
Gross Unrealized Losses | (85) | (69)
Fair Value | 4,350 | 5,122
State and Municipal Securities [Member] |  |
Information related to available for sale securities [Abstract] |  |
Amortized Cost | 217,964 | 172,375
Gross Unrealized Gain | 1,403 | 2,990
Gross Unrealized Losses | (2,708) | (976)
Fair Value | 216,659 | 174,389
Mortgage-backed securities residential [Member] |  |
Information related to available for sale securities [Abstract] |  |
Amortized Cost | 329,516 | 314,650
Gross Unrealized Gain | 1,392 | 2,099
Gross Unrealized Losses | (5,496) | (2,975)
Fair Value | 325,412 | 313,774
Mortgage-backed securities commercial [Member] |  |
Information related to available for sale securities [Abstract] |  |
Amortized Cost | 38,712 | 44,208
Gross Unrealized Gain | 0 | 75
Gross Unrealized Losses | (571) | (72)
Fair Value | $ 38,141 | $ 44,211

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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
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