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Available-for-Sale Securities (Details 2) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015
Summary of securities with unrealized losses |  |
Less than 12 Months, Fair Value | $ 51,483 |
Less than 12 Months, Unrealized Losses | (698) |
12 Months or Longer, Fair Value | 703 |
12 Months or Longer, Unrealized Losses | (29) |
Total Fair Value | 52,186 | $ 37,200
Total Unrealized Losses | (727) |
U.S. Treasury and Government agencies [Member] |  |
Summary of securities with unrealized losses |  |
Less than 12 Months, Fair Value | 6,044 |
Less than 12 Months, Unrealized Losses | (52) |
12 Months or Longer, Fair Value |  |
12 Months or Longer, Unrealized Losses |  |
Total Fair Value | 6,044 |
Total Unrealized Losses | (52) |
Mortgage-backed securities [Member] |  |
Summary of securities with unrealized losses |  |
Less than 12 Months, Fair Value | 44,344 | 30,184
Less than 12 Months, Unrealized Losses | (607) | (253)
12 Months or Longer, Fair Value | 703 | 7,061
12 Months or Longer, Unrealized Losses | (29) | (174)
Total Fair Value | 45,047 | 37,245
Total Unrealized Losses | (636) | $ (427)
State and political subdivisions [Member] |  |
Summary of securities with unrealized losses |  |
Less than 12 Months, Fair Value | 1,095 |
Less than 12 Months, Unrealized Losses | (39) |
12 Months or Longer, Fair Value |  |
12 Months or Longer, Unrealized Losses |  |
Total Fair Value | 1,095 |
Total Unrealized Losses | $ (39) |

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- Definition Amount of unrealized loss on securities classified as available-for-sale that have been in a loss position for twelve months or longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 + Details
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- Definition Amount of unrealized loss on investments in available-for-sale securities that have been in a loss position for less than twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27290-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27337-111563 + Details
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