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Securities (Details) (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2013 | Dec. 31, 2012
Summary of amortized cost and approximate fair values of securities |  |
Amortized Cost | $ 86,002 | $ 95,929
Gross Unrealized Gains | 1,361 | 2,808
Gross Unrealized Losses | (743) | (35)
Securities available for sale, at fair value | 86,620 | 98,702
U.S. Treasury and Government Agencies [Member] |  |
Summary of amortized cost and approximate fair values of securities |  |
Amortized Cost | 12,610 | 14,301
Gross Unrealized Gains | 128 | 210
Gross Unrealized Losses | (117) |
Securities available for sale, at fair value | 12,621 | 14,511
Mortgage-backed securities [Member] |  |
Summary of amortized cost and approximate fair values of securities |  |
Amortized Cost | 53,026 | 62,661
Gross Unrealized Gains | 573 | 1,136
Gross Unrealized Losses | (327) | (33)
Securities available for sale, at fair value | 53,272 | 63,764
State and political subdivisions [Member] |  |
Summary of amortized cost and approximate fair values of securities |  |
Amortized Cost | 18,966 | 16,789
Gross Unrealized Gains | 660 | 1,462
Gross Unrealized Losses | (299) | (2)
Securities available for sale, at fair value | 19,327 | 18,249
Money Market Mutual Funds [Member] |  |
Summary of amortized cost and approximate fair values of securities |  |
Amortized Cost | 1,377 | 2,155
Gross Unrealized Gains |  |
Gross Unrealized Losses |  |
Securities available for sale, at fair value | 1,377 | 2,155
Equity securities [Member] |  |
Summary of amortized cost and approximate fair values of securities |  |
Amortized Cost | 23 | 23
Gross Unrealized Gains |  |
Gross Unrealized Losses |  |
Securities available for sale, at fair value | $ 23 | $ 23

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- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26626-111562 + Details
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- Definition Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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- Definition Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 + Details
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