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Securities (Tables) | 12 Months Ended
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Dec. 31, 2017
Securities [Abstract] |
Schedule Of Amortized CostGross Unrealized Gains and Losses, and Fair Values of Securities | ﻿ ﻿ ﻿ ﻿ ﻿
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﻿ |  | December 31, 2017
﻿ |  |  |  |  |  | Gross |  |  | Gross |  |  |
﻿ |  |  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair
﻿ |  |  | Cost |  |  | Gains |  |  | Losses |  |  | Value
﻿ |  | (In Thousands)
﻿AVAILABLE FOR SALE: |  |  |  |  |  |  |  |  |  |  |  |
﻿U.S. Treasury securities |  | $ | 2,001 |  | $ | - |  | $ | (3) |  | $ | 1,998
﻿States and political subdivisions |  |  | 120,000 |  |  | 1,535 |  |  | (1,057) |  |  | 120,478
﻿Corporate obligations |  |  | 10,068 |  |  | 16 |  |  | (95) |  |  | 9,989
﻿Mortgage-backed securities- |  |  |  |  |  |  |  |  |  |  |  |
﻿government sponsored entities |  |  | 152,901 |  |  | 17 |  |  | (4,262) |  |  | 148,656
﻿ Total debt securities |  | $ | 284,970 |  | $ | 1,568 |  | $ | (5,417) |  | $ | 281,121
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﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | December 31, 2016
﻿ |  |  |  |  |  | Gross |  |  | Gross |  |  |
﻿ |  |  | Amortized |  |  | Unrealized |  |  | Unrealized |  |  | Fair
﻿ |  |  | Cost |  |  | Gains |  |  | Losses |  |  | Value
﻿ |  | (In Thousands)
﻿AVAILABLE FOR SALE: |  |  |  |  |  |  |  |  |  |  |  |
﻿U.S. Treasury securities |  | $ | 2,005 |  | $ | - |  | $ | (8) |  | $ | 1,997
﻿States and political subdivisions |  |  | 127,585 |  |  | 884 |  |  | (3,368) |  |  | 125,101
﻿Corporate obligations |  |  | 10,255 |  |  | 37 |  |  | (180) |  |  | 10,112
﻿Mortgage-backed securities- |  |  |  |  |  |  |  |  |  |  |  |
﻿government sponsored entities |  |  | 169,124 |  |  | 26 |  |  | (4,220) |  |  | 164,930
﻿ Total debt securities |  |  | 308,969 |  |  | 947 |  |  | (7,776) |  |  | 302,140
﻿Equity securities-financial services |  |  | 320 |  |  | 104 |  |  | - |  |  | 424
﻿ |  | $ | 309,289 |  | $ | 1,051 |  | $ | (7,776) |  | $ | 302,564
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Schedule Of Investments' Gross Unrealized Losses and Fair Value Aggregated by Security Type and Lengthof Time That Individual Securities Have Been in a Continuous Unrealized Loss Position |
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﻿ | December 31, 2017
﻿ | Less than 12 Months |  | 12 Months or More |  | Total
﻿ | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
﻿U.S. Treasury securities | $ | - |  | $ | - |  | $ | 1,998 |  | $ | (3) |  | $ | 1,998 |  | $ | (3)
﻿States and political subdivisions |  | 17,310 |  |  | (228) |  |  | 44,948 |  |  | (829) |  |  | 62,258 |  |  | (1,057)
﻿Corporate obligations |  | - |  |  | - |  |  | 6,859 |  |  | (95) |  |  | 6,859 |  |  | (95)
﻿Mortgage-backed securities-government sponsored entities |  | 22,250 |  |  | (320) |  |  | 125,846 |  |  | (3,942) |  |  | 148,096 |  |  | (4,262)
﻿ | $ | 39,560 |  | $ | (548) |  | $ | 179,651 |  | $ | (4,869) |  | $ | 219,211 |  | $ | (5,417)
﻿ ﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
﻿ | December 31, 2016
﻿ | Less than 12 Months |  | 12 Months or More |  | Total
﻿ | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
﻿U.S. Treasury securities | $ | 1,997 |  | $ | (8) |  | $ | - |  | $ | - |  | $ | 1,997 |  | $ | (8)
﻿States and political subdivisions |  | 90,109 |  |  | (3,362) |  |  | 205 |  |  | (6) |  |  | 90,314 |  |  | (3,368)
﻿Corporate obligations |  | 6,895 |  |  | (180) |  |  | - |  |  | - |  |  | 6,895 |  |  | (180)
﻿Mortgage-backed securities-government sponsored entities |  | 152,614 |  |  | (3,912) |  |  | 9,967 |  |  | (308) |  |  | 162,581 |  |  | (4,220)
﻿ | $ | 251,615 |  | $ | (7,462) |  | $ | 10,172 |  | $ | (314) |  | $ | 261,787 |  | $ | (7,776)
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Schedule Of Amortized Cost and Fair Value Of Debt Securities by Contractual Maturity |
﻿ |  |  |  |  |
﻿ | Amortized |  | Fair
﻿ | Cost |  | Value
﻿ |  | (In Thousands)
﻿Due in one year or less | $ | 5,514 |  | $ | 5,517
﻿Due after one year through five years |  | 21,383 |  |  | 21,269
﻿Due after five years through ten years |  | 45,373 |  |  | 44,705
﻿Due after ten years |  | 59,799 |  |  | 60,974
﻿ |  | 132,069 |  |  | 132,465
﻿ |  |  |  |  |
﻿Mortgage-backed securities - government sponsored entities |  | 152,901 |  |  | 148,656
﻿ | $ | 284,970 |  | $ | 281,121
﻿

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- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 + Details
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