Securities - Amortized Cost, Gross Unrealized Gains and Losses and Fair Values of Securities Available for Sale (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Debt securities - Amortized Cost	$ 229,578	$ 198,771
Total securities - Amortized Cost	229,578
Unrealized Gains	3,373	5,330
Unrealized Losses	(4,185)	(338)
Fair Value	228,766	203,763
U.S. Government agencies and corporations
Schedule of Available-for-sale Securities [Line Items]
Debt securities - Amortized Cost	72,497	36,868
Unrealized Gains	0	102
Unrealized Losses	(2,671)	0
Fair Value	69,826	36,970
Mortgage backed securities
Schedule of Available-for-sale Securities [Line Items]
Debt securities - Amortized Cost	103,887	109,440
Unrealized Gains	1,637	2,589
Unrealized Losses	(984)	(328)
Fair Value	104,540	111,701
Collateralized mortgage obligations
Schedule of Available-for-sale Securities [Line Items]
Debt securities - Amortized Cost	16,462	22,483
Unrealized Gains	343	398
Unrealized Losses	(65)	0
Fair Value	16,740	22,881
State and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
Debt securities - Amortized Cost	32,048	29,980
Unrealized Gains	1,393	2,241
Unrealized Losses	(465)	(10)
Fair Value	32,976	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