Investment Securities (Tables)

6 Months Ended

Jun. 30, 2013

Investment Securities [Abstract]

Amortized Cost and Estimated Fair Value of Investment Securities [Table Text Block]

					Gross		Gross
			Amortized		Unrealized		Unrealized		Fair
			Cost		Gains		Losses		Value
June 30, 2013:
Available-for-sale:
	U.S. government agencies		$	15,479	$	245	$	204	$	15,520
	State and municipals			160,349		3,738		4,853		159,234
	Corporate debt securities			8,000		-		97		7,903
	Mortgage-backed securities:
		Residential government sponsored		49,660		2,044		548		51,156
		Other government sponsored		8,465		306		8		8,763
			$	241,953	$	6,333	$	5,710	$	242,576
Held-to-maturity:
	State and municipals		$	207,503	$	630	$	6,468	$	201,665
	Other debt securities			16,000		-		1,040		14,960
			$	223,503	$	630	$	7,508	$	216,625
					Gross		Gross
			Amortized		Unrealized		Unrealized		Fair
			Cost		Gains		Losses		Value
December 31, 2012:
Available-for-sale:
	U. S government agencies		$	15,735	$	660	$	-	$	16,395
	State and municipals			213,679		11,359		1,152		223,886
	Mortgage-backed securities:
		Residential government sponsored		83,764		3,155		29		86,890
		Other government sponsored		13,923		450		5		14,368
			$	327,101	$	15,624	$	1,186	$	341,539
Held-to-maturity:
	State and municipals		$	108,805	$	4,576	$	146	$	113,235
	Other debt securities			6,000		-		1,000		5,000
			$	114,805	$	4,576	$	1,146	$	118,235

Contractual Maturities of Investment Securities [Table Text Block]

		Amortized Cost		Fair Value
Available-for-sale:
	Due in one year or less	$	4,904	$	4,995
	Due after one through five years		491		500
	Due after five through ten years		18,353		18,381
	Due after ten years		218,205		218,700
		$	241,953	$	242,576
Held-to-maturity:
	Due in one year or less	$	544	$	562
	Due after one year through five years		866		870
	Due after five through ten years		23,868		22,868
	Due after ten years		198,225		192,325
		$	223,503	$	216,625

Summary of Realized Gains and Losses from Sale of Available for Sale Securities [Table Text Block]

	For the Three Months Ended June 30,					For the Six Months Ended June 30,
	2013			2012		2013		2012
Proceeds from sales	$	-		$	-	$	15,797	$	39,571
Gross realized gains on sales	$	176	(1)	$	-	$	176	$	1,720
Gross realized losses on sales		-			-		(228)		(101)
Total realized gains (losses), net	$	176		$	-	$	(52)	$	1,619
(1) Gain was derived from the redemption of preferred stock from another financial institution that was purchased at auction from the U.S. Treasury.

Gross Unrealized Losses and Fair Value of Investment Securities, Aggregated by Investment Category and Length of Time the Individual Securities Have Been in a Continuous Unrealized Loss Position [Table Text Block]

		Less Than 12 Months				12 Months or More				Total
		Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
June 30, 2013:		Value		Losses		Value		Losses		Value		Losses
Available-for-sale:
	U.S. Government agencies	$	5,799	$	204	$	-	$	-	$	5,799	$	204
	State and municipals		73,625		4,853		-		-		73,625		4,853
	Corporate debt securities		7,903		97		-		-		7,903		97
	Mortgage-backed securities		23,756		556		-		-		23,756		556
		$	111,083	$	5,710	$	-	$	-	$	111,083	$	5,710
Held-to-maturity:
	State and municipals	$	161,054	$	6,468	$	-	$	-	$	161,054	$	6,468
	Other debt securities		-		-		4,960		1,040		4,960		1,040
		$	161,054	$	6,468	$	4,960	$	1,040	$	166,014	$	7,508
		Less Than 12 Months				12 Months or More				Total
		Fair		Unrealized		Fair		Unrealized		Fair		Unrealized
December 31, 2012:		Value		Losses		Value		Losses		Value		Losses
Available-for-sale:
	State and municipals	$	75,551	$	1,152	$	-	$	-	$	75,551	$	1,152
	Mortgage-backed securities		22,465		34		-		-		22,465		34
		$	98,016	$	1,186	$	-	$	-	$	98,016	$	1,186
Held-to-maturity:
	State and municipals	$	10,301	$	146	$	-	$	-	$	10,301	$	146
	Other debt securities		-		-		5,000		1,000		5,000		1,000
		$	10,301	$	146	$	5,000	$	1,000	$	15,301	$	1,146