v2.4.0.6

Investment Securities (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Available-for-sale: [Abstract] |  |  |
Amortized Cost | $ 500,862 | $ 473,756 |
Gross Unrealized Gains | 11,871 | 10,608 |
Gross Unrealized (Losses) | (4,424) | (5,448) |
Fair Value | 508,309 | 478,916 |
Held-to-maturity Securities [Abstract] |  |  |
Fair Value | 0 | 51 |
Realized Investment Gains (Losses) [Abstract] |  |  |
Proceeds from sales | 30,500 | 18,891 | 10,936
Gross gains | 934 | 486 | 543
Gross losses | 0 | 0 | 0
Income tax expense | 364 | 189 | 212
U.S. Treasury securities and obligations of U.S. government corporations & agencies |  |  |
Available-for-sale: [Abstract] |  |  |
Amortized Cost | 180,851 | 164,812 |
Gross Unrealized Gains | 1,321 | 1,294 |
Gross Unrealized (Losses) | (3) | (40) |
Fair Value | 182,169 | 166,066 |
Obligations of states and political subdivisions |  |  |
Available-for-sale: [Abstract] |  |  |
Amortized Cost | 53,064 | 38,828 |
Gross Unrealized Gains | 3,163 | 2,374 |
Gross Unrealized (Losses) | (20) | 0 |
Fair Value | 56,207 | 41,202 |
Held-to-maturity Securities [Abstract] |  |  |
Amortized Cost |  | 51 |
Held-to-maturity Securities, Unrecognized Holding Gain |  | 0 |
Fair Value |  | 51 |
Mortgage-backed securities: GSE residential |  |  |
Available-for-sale: [Abstract] |  |  |
Amortized Cost | 252,310 | 254,930 |
Gross Unrealized Gains | 7,162 | 6,940 |
Gross Unrealized (Losses) | (12) | (37) |
Fair Value | 259,460 | 261,833 |
Trust preferred securities |  |  |
Available-for-sale: [Abstract] |  |  |
Amortized Cost | 4,974 | 5,625 |
Gross Unrealized Gains | 0 | 0 |
Gross Unrealized (Losses) | (4,389) | (4,906) |
Fair Value | 585 | 719 |
Held-to-maturity Securities [Abstract] |  |  |
Number of trust preferred securities | 3 |  |
Trust preferred securities | Minimum [Member] |  |  |
Held-to-maturity Securities [Abstract] |  |  |
Maturities of Debt Securities | eighteen years |  |
Trust preferred securities | Maximum [Member] |  |  |
Held-to-maturity Securities [Abstract] |  |  |
Maturities of Debt Securities | twenty-six years |  |
Other securities |  |  |
Available-for-sale: [Abstract] |  |  |
Amortized Cost | 9,663 | 9,561 |
Gross Unrealized Gains | 225 | 0 |
Gross Unrealized (Losses) | 0 | (465) |
Fair Value | $ 9,888 | $ 9,096 |

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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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 7 -Footnote 2 -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 19 -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. + Details
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- Definition For an unclassified balance sheet, this item represents investments in debt securities which are categorized as held-to-maturity. The held-to-maturity category is for those securities that 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 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 43 -Section A -Paragraph 5 -Chapter 3 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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- Definition As of the balance sheet date, the excess of fair value over carrying value (amortized cost) of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding gain. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 19 -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 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6872113&loc=d3e27232-111563 + Details
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