Investment Securities (Reconciliation) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 371,424	$ 315,890
Gross Unrealized Gains	8,879	7,674
Gross Unrealized Losses	2,633	2,790
Fair Value	377,670	320,774
U.S Government sponsored entities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	78,698	58,714
Gross Unrealized Gains	625	174
Gross Unrealized Losses	54	96
Fair Value	79,269	58,792
Mortgage-backed investments
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	216,506	198,832
Gross Unrealized Gains	5,236	5,016
Gross Unrealized Losses	153	162
Fair Value	221,589	203,686
Obligations of states and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	60,287	51,763
Gross Unrealized Gains	2,980	2,459
Gross Unrealized Losses	87	80
Fair Value	63,180	54,142
Collateralized debt obligations
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	3,132	3,137
Gross Unrealized Gains	0	0
Gross Unrealized Losses	2,282	2,318
Fair Value	850	819
Other debt securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	12,801	3,444
Gross Unrealized Gains	38	25
Gross Unrealized Losses	57	134
Fair Value	$ 12,782	$ 3,335

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

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+ Details

- 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+ Details

- Definition

This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.

+ References+ Details