5. INVESTMENT SECURITIES (Tables)

9 Months Ended

Sep. 30, 2012

Available-for-sale Securities [Table Text Block]

	September 30, 2012
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Debt securities:
Mortgage-backed securities	$	190,195	$	6,399	$	(164	)	$	196,430
Obligations of states and political subdivisions		27,744		2,113		—			29,857
Corporate bonds		1,507		51		—			1,558
Equity securities:
Corporate stock		64		—		(3	)		61
	$	219,510	$	8,563	$	(167	)	$	227,906

	December 31, 2011
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Estimated Fair Value
Debt securities:
Mortgage-backed securities	$	175,038	$	4,570	$	(154	)	$	179,454
Obligations of states and political subdivisions		27,678		1,510		—			29,188
Equity securities:
Corporate stock		65		4		—			69
	$	202,781	$	6,084	$	(154	)	$	208,711

Held-to-maturity Securities [Table Text Block]

			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Debt securities:
Mortgage-backed securities	$	2,740	$	176	$	—	$	2,916

December 31, 2011			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Debt securities:
Mortgage-backed securities	$	4,010	$	221	$	—	$	4,231

Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]

	2012
	Less than 12 Months					12 Months or More				Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Available-for-Sale
Debt securities:
Mortgage-backed securities	$	19,482	$	(164	)		—		—	$	19,482	$	(164	)
Obligations of states and political subdivisions		—		—			—		—		—		—
Corporate bonds		—		—			—		—		—		—
Equity Securities:
Corporate stock		2		(3	)		—		—		2		(3	)
	$	19,484	$	(167	)	$	—	$	—	$	19,484	$	(167	)

	2011
	Less than 12 Months					12 Months or More				Total
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses		Fair Value		Unrealized Losses
Available-for-Sale
Debt securities:
Mortgage-backed securities	$	23,749	$	(154	)		—		—	$	23,749	$	(154	)
	$	23,749	$	(154	)	$	—	$	—	$	23,749	$	(154	)

Available-for-sale Securities, Debt Maturities, Basis of Allocation

	Available-for-Sale				Held-to-Maturity
	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Within one year	$	875	$	879
After one year through five years		3,247		3,389
After five years through ten years		11,156		12,003
After ten years		13,973		15,144
		29,251		31,415
Investment securities not due at a single maturity date:
Mortgage-backed securities		190,195		196,430	$	2,740	$	2,916
Corporate stock		64		61		—		—
	$	219,510	$	227,906	$	2,740	$	2,916