Securities (Tables)

12 Months Ended

Dec. 31, 2012

Securities [Abstract]

Amortized Cost, Unrealized Gross Gains and Losses Recognized in Accumulated Other Comprehensive Income (Loss), and Fair Value of Securities Available-for-Sale

The amortized cost, unrealized gross gains and losses recognized in accumulated other comprehensive income (loss), and fair value of Securities Available-for-Sale were as follows:

			Gross		Gross
	Amortized		Unrealized		Unrealized			Fair
Securities Available-for-Sale:	Cost		Gains		Losses			Value
2012
U.S. Treasury and Agency Securities	$	23,570	$	40	$	(138	)	$	23,472
Corporate Securities		—		—		—			—
Obligations of State and Political Subdivisions		71,352		5,145		(12	)		76,485
Mortgage-backed Securities - Residential		475,452		11,505		(45	)		486,912
Equity Securities		684		49		—			733
Total	$	571,058	$	16,739	$	(195	)	$	587,602
2011
U.S. Treasury and Agency Securities	$	6,340	$	82	$	—		$	6,422
Corporate Securities		1,003		2		—			1,005
Obligations of State and Political Subdivisions		60,606		4,195		(2	)		64,799
Mortgage-backed Securities - Residential		431,495		12,529		(90	)		443,934
Equity Securities		684		—		—			684
Total	$	500,128	$	16,808	$	(92	)	$	516,844

Carrying Amount, Unrecognized Gains and Losses and Fair Value of Securities Held-to-Maturity

The carrying amount, unrecognized gains and losses and fair value of Securities Held-to-Maturity were as follows:

			Gross		Gross
Securities Held-to-Maturity:	Carrying		Unrecognized		Unrecognized		Fair
	Amount		Gains		Losses		Value
2012
Obligations of State and Political Subdivisions	$	346	$	5	$	—	$	351
2011
Obligations of State and Political Subdivisions	$	690	$	7	$	—	$	697

Amortized Cost and Fair Value of Securities by Contractual Maturity

The amortized cost and fair value of Securities at December 31, 2012 by contractual maturity are shown below. Expected maturities may differ from contractual maturities because some issuers have the right to call or prepay certain obligations with or without call or prepayment penalties. Mortgage-backed and Equity Securities are not due at a single maturity date and are shown separately.

	Amortized		Fair
	Cost		Value
Securities Available-for-Sale:
Due in one year or less	$	3,145	$	3,162
Due after one year through five years		13,191		13,570
Due after five years through ten years		51,937		54,239
Due after ten years		26,649		28,986
Mortgage-backed Securities - Residential		475,452		486,912
Equity Securities		684		733
Total	$	571,058	$	587,602

	Carrying		Fair
	Amount		Value
Securities Held-to-Maturity:
Due in one year or less	$	—	$	—
Due after one year through five years		346		351
Due after five years through ten years		—		—
Due after ten years		—		—
Total	$	346	$	351

Proceeds From The Sales Of Securities [Table Text Block]

Proceeds from the Sales of Securities are summarized below:

	2012		2011		2010
	Available-		Available-		Available-
	for-Sale		for-Sale		for-Sale
Proceeds from Sales and Calls	$	92,344	$	20,061	$	—
Gross Gains on Sales and Calls		1,667		2,089		—
Income Taxes on Gross Gains		583		721		—

Summary of Securities with Unrealized Losses, Presented by Length of Time Securities Have Been in Continuous Unrealized Loss Position

Below is a summary of securities with unrealized losses as of year-end 2012 and 2011, presented by length of time the securities have been in a continuous unrealized loss position:

At December 31, 2012:	Less than 12 Months					12 Months or More				Total
	Fair		Unrealized			Fair		Unrealized		Fair		Unrealized
	Value		Loss			Value		Loss		Value		Loss
U.S. Treasury and Agency Securities	$	19,862	$	(138	)	$	—	$	—	$	19,862	$	(138	)
Corporate Securities		—		—			—		—		—		—
Obligations of State and Political Subdivisions		1,042		(12	)		—		—		1,042		(12	)
Mortgage-backed Securities - Residential		18,323		(45	)		—		—		18,323		(45	)
Equity Securities		—		—			—		—		—		—
Total	$	39,227	$	(195	)	$	—	$	—	$	39,227	$	(195	)

At December 31, 2011:	Less than 12 Months					12 Months or More				Total
	Fair		Unrealized			Fair		Unrealized		Fair		Unrealized
	Value		Loss			Value		Loss		Value		Loss
U.S. Treasury and Agency Securities	$	—	$	—		$	—	$	—	$	—	$	—
Corporate Securities		—		—			—		—		—		—
Obligations of State and Political Subdivisions		203		(2	)		—		—		203		(2	)
Mortgage-backed Securities - Residential		39,947		(90	)		—		—		39,947		(90	)
Equity Securities		—		—			—		—		—		—
Total	$	40,150	$	(92	)	$	—	$	—	$	40,150	$	(92	)