Securities - Amortized Cost, Gross Unrealized Gains and Losses and Fair Values of Securities Available for Sale (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Debt securities - Amortized Cost	$ 219,440	$ 198,771
Total securities - Amortized Cost	219,440
Unrealized Gains	4,681	5,330
Unrealized Losses	(948)	(338)
Fair Value	223,173	203,763
U.S. Government agencies and corporations
Schedule of Available-for-sale Securities [Line Items]
Debt securities - Amortized Cost	57,736	36,868
Unrealized Gains	29	102
Unrealized Losses	(38)	0
Fair Value	57,727	36,970
Mortgage backed securities
Schedule of Available-for-sale Securities [Line Items]
Debt securities - Amortized Cost	108,146	109,440
Unrealized Gains	2,129	2,589
Unrealized Losses	(850)	(328)
Fair Value	109,425	111,701
Collateralized mortgage obligations
Schedule of Available-for-sale Securities [Line Items]
Debt securities - Amortized Cost	18,904	22,483
Unrealized Gains	412	398
Unrealized Losses	(40)	0
Fair Value	19,276	22,881
State and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
Debt securities - Amortized Cost	29,970	29,980
Unrealized Gains	2,111	2,241
Unrealized Losses	(20)	(10)
Fair Value	32,061	32,211
Preferred securities
Schedule of Available-for-sale Securities [Line Items]
Equity securities - Amortized Cost	4,684
Unrealized Gains	0
Unrealized Losses	0
Fair Value	$ 4,684

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