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2. Investment Securities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Investment securities available for sale
Estimated Fair Value	$ 293,925	$ 297,823
Mortgage-backed securities
Investment securities available for sale
Amortized Cost	134,210	146,755
Gross Unrealized Gains	1,881	1,875
Gross Unrealized Losses	347	606
Estimated Fair Value	135,744	148,024
U.S. Government sponsored enterprises
Investment securities available for sale
Amortized Cost	19,395	18,714
Gross Unrealized Gains	150	203
Gross Unrealized Losses	89	80
Estimated Fair Value	19,456	18,837
State and political subdivisions
Investment securities available for sale
Amortized Cost	127,046	118,591
Gross Unrealized Gains	5,749	7,171
Gross Unrealized Losses	450	104
Estimated Fair Value	132,345	125,658
Corporate bonds
Investment securities available for sale
Amortized Cost	3,559	2,571
Gross Unrealized Gains	23	19
Gross Unrealized Losses	57	4
Estimated Fair Value	3,525	2,586
Trust preferred securities
Investment securities available for sale
Amortized Cost	1,250	1,250
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Estimated Fair Value	1,250	1,250
Equity securities
Investment securities available for sale
Amortized Cost	748	748
Gross Unrealized Gains	857	720
Gross Unrealized Losses	0	0
Estimated Fair Value	1,605	1,468
Total
Investment securities available for sale
Amortized Cost	286,208	288,629
Gross Unrealized Gains	8,660	9,988
Gross Unrealized Losses	943	794
Estimated Fair Value	$ 293,925	$ 297,823

X

- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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