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Investment Securities (Tables) | 9 Months Ended
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Sep. 30, 2012
Investment Securities [Abstract] |
Investment securities available for sale | Investment securities available for sale at September 30, 2012 and December 31, 2011 are as follows:
(Dollars in thousands) |  |  |  |  |  |  |
| September 30, 2012
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Mortgage-backed securities | $ | 158,548 |  | 1,982 |  | 444 |  | 160,086
U.S. Government |  |  |  |  |  |  |  |
sponsored enterprises |  | 1,254 |  | 40 |  | - |  | 1,294
State and political subdivisions |  | 109,456 |  | 6,739 |  | 46 |  | 116,149
Corporate bonds |  | 1,535 |  | 16 |  | - |  | 1,551
Trust preferred securities |  | 1,250 |  | - |  | - |  | 1,250
Equity securities |  | 748 |  | 707 |  | - |  | 1,455
Total | $ | 272,791 |  | 9,484 |  | 490 |  | 281,785
(Dollars in thousands) |  |  |  |  |  |  |  |
| December 31, 2011
| Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Estimated Fair Value
Mortgage-backed securities | $ | 213,378 |  | 1,371 |  | 1,056 |  | 213,693
U.S. Government |  |  |  |  |  |  |  |
sponsored enterprises |  | 7,429 |  | 265 |  | - |  | 7,694
State and political subdivisions |  | 92,996 |  | 4,157 |  | 56 |  | 97,097
Corporate bonds |  | 546 |  | - |  | 3 |  | 543
Trust preferred securities |  | 1,250 |  | - |  | - |  | 1,250
Equity securities |  | 748 |  | 363 |  | - |  | 1,111
Total | $ | 316,347 |  | 6,156 |  | 1,115 |  | 321,388
Current fair value and associated unrealized losses on investments in securities with unrealized losses | The current fair value and associated unrealized losses on investments in securities with unrealized losses at September 30, 2012 and December 31, 2011 are summarized in the tables below, with the length of time the individual securities have been in a continuous loss position.
(Dollars in thousands) |  |  |  |  |  |  |  |  |  |  |
| September 30, 2012
| Less than 12 Months |  | 12 Months or More |  | Total
| Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
Mortgage-backed securities | $ | 38,125 |  | 379 |  | 5,750 |  | 65 |  | 43,875 |  | 444
State and political subdivisions |  | 4,406 |  | 46 |  | - |  | - |  | 4,406 |  | 46
Total | $ | 42,531 |  | 425 |  | 5,750 |  | 65 |  | 48,281 |  | 490
(Dollars in thousands) |  |  |  |  |  |  |  |  |  |  |  |
| December 31, 2011
| Less than 12 Months |  | 12 Months or More |  | Total
| Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
Mortgage-backed securities | $ | 95,122 |  | 991 |  | 4,125 |  | 65 |  | 99,247 |  | 1,056
State and political subdivisions |  | 4,444 |  | 56 |  | - |  | - |  | 4,444 |  | 56
Corporate bonds |  | 542 |  | 3 |  | - |  | - |  | 542 |  | 3
Total | $ | 100,108 |  | 1,050 |  | 4,125 |  | 65 |  | 104,233 |  | 1,115
Amortized cost and fair value of investment securities by contractual maturity | The amortized cost and estimated fair value of investment securities available for sale at September 30, 2012, by contractual maturity, are shown below. Expected maturities of mortgage-backed securities will differ from contractual maturities because borrowers have the right to call or prepay obligations with or without call or prepayment penalties.
(Dollars in thousands) |  |  |
| Amortized Cost |  | Estimated Fair Value
Due within one year | $ | 3,611 |  | 3,653
Due from one to five years |  | 12,117 |  | 12,581
Due from five to ten years |  | 84,014 |  | 89,146
Due after ten years |  | 13,753 |  | 14,864
Mortgage-backed securities |  | 158,548 |  | 160,086
Equity securities |  | 748 |  | 1,455
Total | $ | 272,791 |  | 281,785

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- Definition Tabular disclosure of fair value of investments in debt and equity securities in an unrealized loss position categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
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- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to 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 6 -URI http://asc.fasb.org/extlink&oid=6872113&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 3 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27198-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 03-1 -Paragraph 21 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 17 -Subparagraph a, b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: 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=6872113&loc=d3e27337-111563 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 19, 20, 21 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27161-111563 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27357-111563 + Details
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- Definition Tabular disclosure of all investments in certain debt and equity securities for which the entity has the positive intent and ability to hold until maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6435544&loc=d3e41834-113960 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=7512638&loc=d3e5086-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 137 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563 Reference 5: 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=6872113&loc=d3e27337-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27405-111563 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62586-112803 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6957658&loc=d3e62557-112803 Reference 9: 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=6872113&loc=d3e27290-111563 + Details
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