Securities (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Available-for-sale Securities Reconciliation [Table Text Block]

For securities available for sale, the following tables show the amortized cost, unrealized gains and losses (pretax) included in accumulated other comprehensive income, and estimated fair value by security type as of December 31, 2012 and 2011.



	2012
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
U.S. government agencies and corporations	$	12,614	$	420	$	—		$	13,034
State and political subdivisions	54,075		2,754		(68		)	56,761
Collateralized mortgage obligations ⁽¹⁾	170,557		3,140		(103		)	173,594
Mortgage-backed securities ⁽¹⁾	36,965		1,459		—			38,424
Trust preferred securities	5,913		—		(3,818		)	2,095
Corporate notes and other investments	8,341		69		(4		)	8,406
	$	288,465	$	7,842	$	(3,993	)	$	292,314



	2011
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
U.S. government agencies and corporations	$	12,644	$	371	$	(12	)	$	13,003
State and political subdivisions	50,172		2,398		(53		)	52,517
Collateralized mortgage obligations ⁽¹⁾	173,438		2,301		(241		)	175,498
Mortgage-backed securities ⁽¹⁾	34,967		706		(37		)	35,636
Trust preferred securities	6,105		—		(4,094		)	2,011
Corporate notes and other investments	4,764		—		(284		)	4,480
	$	282,090	$	5,776	$	(4,721	)	$	283,145

(1) All collateralized mortgage obligations and mortgage-backed securities consist of residential mortgage pass-through securities guaranteed by GNMA or issued by FNMA and real estate mortgage investment conduits guaranteed by FHLMC or GNMA.

Investments Classified by Contractual Maturity Date [Table Text Block]

The amortized cost and fair value of securities available for sale as of December 31, 2012, by contractual maturity are shown below. Certain securities have call features which allow the issuer to call the securities prior to maturity. Expected maturities may differ from contractual maturities for collateralized mortgage obligations and mortgage-backed securities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties. Therefore, collateralized mortgage obligations and mortgage-backed securities are not included in the maturity categories in the following maturity summary.



	2012
	Amortized Cost		Fair Value
Due in one year or less	$	765	$	767
Due after one year through five years	22,473		23,136
Due after five years through ten years	19,433		20,481
Due after ten years	36,800		34,424
	79,471		78,808
Collateralized mortgage obligations and mortgage-backed securities	207,522		212,018
Equity securities	1,472		1,488
	$	288,465	$	292,314

Schedule of Realized Gain (Loss) [Table Text Block]

The details of the sales of securities for the years ended December 31, 2012, 2011, and 2010 are summarized in the following table.



	2012		2011		2010
Proceeds from sales	$	16,121	$	—	$	78,704
Gross gains on sales	288		—		411
Gross losses on sales	42		—		371

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

The following tables show the fair value and gross unrealized losses, aggregated by investment category and length of time that individual securities have been in a continuous loss position, as of December 31, 2012 and 2011.



	2012
	Less than 12 months					12 months or longer					Total
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
State and political subdivisions	$	5,617	$	(62	)	$	305	$	(6	)	$	5,922	$	(68	)
Collateralized mortgage obligations	19,477		(103		)	—		—			19,477		(103		)
Trust preferred securities	—		—			2,095		(3,818		)	2,095		(3,818		)
Corporate notes and other investments	1,032		(4		)	—		—			1,032		(4		)
	$	26,126	$	(169	)	$	2,400	$	(3,824	)	$	28,526	$	(3,993	)



	2011
	Less than 12 months					12 months or longer					Total
	Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses			Fair Value		Gross Unrealized Losses
U.S. government agencies and
corporations	$	4,988	$	(12	)	$	—	$	—		$	4,988	$	(12	)
State and political subdivisions	—		—			3,090		(53		)	3,090		(53		)
Collateralized mortgage obligations	38,175		(241		)	—		—			38,175		(241		)
Mortgage-backed securities	17,898		(37		)	—		—			17,898		(37		)
Trust preferred securities	—		—			2,011		(4,094		)	2,011		(4,094		)
Corporate notes and other investments	—		—			3,708		(284		)	3,708		(284		)
	$	61,061	$	(290	)	$	8,809	$	(4,431	)	$	69,870	$	(4,721	)

Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block]

The following table provides a roll forward of the amount of credit-related losses recognized in earnings for the pooled TPS for which a portion of OTTI has been recognized in other comprehensive income for the years ended December 31, 2012 and 2011.



	2012		2011		2010
Balance at beginning of period	$	526	$	427	$	310
Current period credit loss recognized in earnings	203		99		117
Reductions for securities sold during the period	—		—		—
Reductions for securities where there is an intent to sell or requirement
to sell	—		—		—
Reductions for increases in cash flows expected to be collected	—		—		—
Balance at end of period	$	729	$	526	$	427

- Definition

Tabular disclosure of the amount of other than temporary impairment (OTTI) related to credit losses recognized in earnings including: (a) the beginning balance of the amount related to credit losses on debt securities held by the investor at the beginning of the period for which a portion of an OTTI was recognized in other comprehensive income; (b) additions for the amount related to the credit loss for which an OTTI was not previously recognized; (c) reductions for securities sold during the period (realized); (d) reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the investor intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis; (e) additional increases to the amount related to the credit loss for which an OTTI was previously recognized when the investor does not intend to sell the security and it is not more likely than not that the investor will be required to sell the security before recovery of its amortized cost basis; (f) reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security; and (g) the ending balance of the amount related to credit losses on debt securities held by the entity at the end of the period for which a portion of an OTTI was recognized in other comprehensive income.

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