5. INVESTMENT SECURITIES (Tables)

3 Months Ended

Mar. 31, 2013

Investments, Debt and Equity Securities [Abstract]

Schedule of available for sale securities

Available-for-Sale

	March 31, 2013
	Amortized  Cost		Gross  Unrealized Gains		Gross  Unrealized Losses			Estimated  Fair Value
Debt securities:
Mortgage-backed securities	$	205,981	$	5,253	$	(427	)	$	210,807
Obligations of states and political subdivisions		27,620		1,761		—			29,381
Corporate bonds		1,506		100		—			1,606
Equity securities:
Corporate stock		64		23		—			87
	$	235,171	$	7,137	$	(427	)	$	241,881

	December 31, 2012
	Amortized  Cost		Gross  Unrealized  Gains		Gross  Unrealized  Losses			Estimated  Fair Value
Debt securities:
Mortgage-backed securities	$	195,444	$	5,661	$	(590	)	$	200,515
Obligations of states and political subdivisions		27,682		1,974		—			29,656
Corporate bonds		1,507		87		—			1,594
Equity securities:
Corporate stock		64		10		—			74
	$	224,697	$	7,732	$	(590	)	$	231,839

Schedule of held to maturity securities

Held-to-Maturity

March 31, 2013

			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Debt securities:
Mortgage-backed securities	$	1,900	$	128	$	—	$	2,028

December 31, 2012			Gross		Gross		Estimated
	Amortized		Unrealized		Unrealized		Fair
	Cost		Gains		Losses		Value
Debt securities:
Mortgage-backed securities	$	2,117	$	138	$	—	$	2,255

Available-For-Sale Securities, Continuous Unrealized Loss Position, Fair Value [Table Text Block]

March 31, 2013	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	$	38,658	$	(427	)		—		—	$	38,658	$	(427	)
	$	38,658	$	(427	)	$	—	$	—	$	38,658	$	(427	)

December 31, 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	$	37,440	$	(590	)		—		—	$	37,440	$	(590	)
	$	37,440	$	(590	)	$	—	$	—	$	37,440	$	(590	)

Schedule of amortized cost and estimated fair values of investment securities by contractual maturity

	Available-for-Sale				Held-to-Maturity
	Amortized  Cost		Estimated  Fair Value		Amortized Cost		Estimated Fair Value
Within one year	$	1,010	$	1,016
After one year through five years		3,382		3,567
After five years through ten years		11,644		12,456
After ten years		13,090		13,948
		29,126		30,987
Investment securities not due at a single maturity date:
Mortgage-backed securities		205,981		210,807	$	1,900	$	2,028
Corporate stock		64		87		—		—
	$	235,171	$	241,881	$	1,900	$	2,028