Investment Securities (Tables)

12 Months Ended

Dec. 31, 2012

Unrealized gains on investment securities [Table Text Block]


	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	December 31, 2012
	(Dollars in Thousands)
Investment Securities Available-for-Sale:
U.S. Treasury and agency securities	$	11,870	$	62	$	(23	)	$	11,909
Federal agency obligations		20,207		333		(5	)		20,535
Residential mortgage pass-through securities		52,400		1,385		(1	)		53,784
Commercial mortgage pass-through securities		9,725		244		—			9,969
Obligations of U.S. states and political subdivisions		103,193		4,653		(132	)		107,714
Trust preferred securities		22,279		144		(1,174	)		21,249
Corporate bonds and notes		228,681		9,095		(371	)		237,405
Collateralized mortgage obligations		2,120		—		—			2,120
Asset-backed securities		19,431		311		—			19,742
Certificates of deposit		2,854		21		(10	)		2,865
Equity securities		535		—		(210	)		325
Other securities		9,145		68		(15	)		9,198
Total	$	482,440	$	16,316	$	(1,941	)	$	496,815
Investment Securities Held-to-Maturity:
Federal agency obligations	$	4,178	$	79	$	—		$	4,257
Commercial mortgage-backed securities		5,501		154		(5	)		5,650
Obligations of U.S. states and political subdivisions		48,385		4,139		—			52,524
Total	$	58,064	$	4,372	$	(5	)	$	62,431
Total investment securities	$	540,504	$	20,688	$	(1,946	)	$	559,246


	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
	December 31, 2011
	(Dollars in Thousands)
Investment Securities Available-for-Sale:
Federal agency obligations	$	24,781	$	188	$	—		$	24,969
Residential mortgage pass-through securities		113,213		2,157		(6	)		115,364
Obligations of U.S. states and political subdivisions		66,309		2,900		(36	)		69,173
Trust preferred securities		20,567		14		(4,394	)		16,187
Corporate bonds and notes		175,812		1,382		(4,077	)		173,117
Collateralized mortgage obligations		3,226		—		(1,327	)		1,899
Asset-backed securities		7,614		52		(13	)		7,653
Equity securities		535		—		(273	)		262
Other securities		5,882		21		(20	)		5,883
Total	$	417,939	$	6,714	$	(10,146	)	$	414,507
Investment Securities Held-to-Maturity:
Federal agency obligations	$	28,262	$	177	$	(34	)	$	28,405
Commercial mortgage-backed securities		6,276		—		(69	)		6,207
Obligations of U.S. states and political subdivisions		37,695		2,615		—			40,310
Total	$	72,233	$	2,792	$	(103	)	$	74,922
Total investment securities	$	490,172	$	9,506	$	(10,249	)	$	489,429

Investments classified by maturity date [Table Text Block]



	December 31, 2012
	Amortized Cost		Fair Value
	(Dollars in Thousands)
Investment Securities Available-for-Sale:
Due in one year or less	$	21,193	$	21,245
Due after one year through five years		110,359		113,410
Due after five years through ten years		134,647		140,658
Due after ten years		144,436		148,226
Residential mortgage pass-through securities		52,400		53,784
Commercial mortgage pass-through securities		9,725		9,969
Equity securities		535		325
Other securities		9,145		9,198
Total	$	482,440	$	496,815
Investment Securities Held-to-Maturity:
Due after five years through ten years	$	2,578	$	2,807
Due after ten years		49,985		53,974
Commercial mortgage-backed securities		5,501		5,650
Total	$	58,064	$	62,431
Total investment securities	$	540,504	$	559,246

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


	Years Ended December 31,
(Dollars in Thousands)		2012		2011		2010
Gross gains on sales of investment securities		$	2,905	$	4,045	$	4,872
Gross losses on sales of investment securities			23		69		635
Net gains on sales of investment securities		$	2,882	$	3,976	$	4,237

Schedule of OTTI Charges for period [Table Text Block]



	Years Ended December 31,
	2012		2011		2010
	(Dollars in Thousands)
One variable rate private label CMO	$	484	$	18	$	360
One trust preferred security		—		—		3,000
Pooled trust preferred securities		68		—		1,818
Principal losses on a variable rate CMO		318		324		398
Total other-than-temporary impairment charges	$	870	$	342	$	5,576

Schedule of preferred security and associated ratings [Table Text Block]




Deal Name	Single Issuer or Pooled		Class/ Tranche		Amortized Cost		Fair Value		Gross Unrealized Gain (Loss)			Lowest Credit Rating Assigned		Number of Banks Currently Performing		Deferrals and Defaults as % of Original Collateral			Expected Deferral/Defaults as % of Remaining Performing Collateral
	(Dollars in Thousands)
Countrywide Capital IV		Single		—	$	1,770	$	1,766	$	(4	)		BB+		1		None			None
Countrywide Capital V		Single		—		2,747		2,766		19			BB+		1		None			None
Countrywide Capital V		Single		—		250		252		2			BB+		1		None			None
NPB Capital Trust II		Single		—		868		885		17			NR		1		None			None
Citigroup Cap IX		Single		—		992		1,000		8			BB		1		None			None
Citigroup Cap IX		Single		—		1,905		1,929		24			BB		1		None			None
Citigroup Cap XI		Single		—		246		249		3			BB		1		None			None
Nationsbank Cap Trust III		Single		—		1,572		1,210		(362	)		BB+		1		None			None
Morgan Stanley Cap Trust IV		Single		—		2,500		2,490		(10	)		BB+		1		None			None
Morgan Stanley Cap Trust IV		Single		—		1,742		1,742		—			BB+		1		None			None
Saturns — GS 2004-06		Single		—		242		247		5			BB+		1		None			None
Saturns — GS 2004-06		Single		—		313		319		6			BB+		1		None			None
Saturns — GS 2004-04		Single		—		780		793		13			BB+		1		None			None
Saturns — GS 2004-04		Single		—		22		22		—			BB+		1		None			None
Goldman Sachs		Single		—		1,000		1,047		47			BB+		1		None			None
Stifel Financial		Single		—		4,500		4,496		(4	)		BBB-		1		None			None
ALESCO Preferred Funding VII		Pooled		C1		830		36		(794	)		Ca		48 of 62		35.9	%		46.2	%
Total					$	22,279	$	21,249	$	(1,030	)

Credit loss portion of OTTI recognized in earnings on debt securities [Table Text Block]



	Years Ended December 31,
	2012		2011		2010
	(Dollars in Thousands)
Balance of credit-related OTTI at January 1,	$	6,539	$	6,197	$	3,621
Addition:
Credit losses for which other-than-temporary impairment was not previously recognized		870		342		5,576
Reduction:
Credit losses for securities sold during the period		(2,959)		—		(3,000	)
Balance of credit-related OTTI at December 31,	$	4,450	$	6,539	$	6,197

Schedule of unrealized losses not recognized in income [Table Text Block]


	December 31, 2012
	Total					Less than 12 Months					12 Months or Longer
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(Dollars in Thousands)
Investment Securities Available-for-Sale:
U.S. Treasury and agency securities	$	4,460	$	(23	)	$	4,460	$	(23	)	$	—	$	—
Federal agency obligation		877		(5	)		877		(5	)		—		—
Residential mortgage pass-through securities		1,669		(1	)		1,669		(1	)		—		—
Obligations of U.S. states and political subdivisions		18,360		(132	)		18,360		(132	)		—		—
Trust preferred securities		11,740		(1,174	)		10,494		(18	)		1,246		(1,156	)
Corporate bonds and notes		26,440		(371	)		18,244		(134	)		8,196		(237	)
Certificates of deposit		388		(10	)		388		(10	)		—		—
Equity securities		325		(210	)		—		—			325		(210	)
Other securities		985		(15	)		—		—			985		(15	)
Total		65,244		(1,941	)		54,492		(323	)		10,752		(1,618	)
Investment Securities Held-to-Maturity:
Commercial mortgage-backed securities		932		(5	)		932		(5	)		—		—
Total		932		(5	)		932		(5	)		—		—
Total Temporarily Impaired Securities	$	66,176	$	(1,946	)	$	55,424	$	(328	)	$	10,752	$	(1,618	)


	December 31, 2011
	Total					Less than 12 Months					12 Months or Longer
	Fair Value		Unrealized Losses			Fair Value		Unrealized Losses			Fair Value		Unrealized Losses
	(Dollars in Thousands)
Investment Securities Available-for-Sale:
Residential mortgage pass-through securities	$	2,013	$	(6	)	$	2,013	$	(6	)	$	—	$	—
Obligations of U.S. states and political subdivisions		4,352		(36	)		4,352		(36	)		—		—
Trust preferred securities		15,272		(4,394	)		4,325		(996	)		10,947		(3,398	)
Corporate bonds and notes		97,043		(4,077	)		89,534		(3,663	)		7,509		(414	)
Collateralized mortgage obligations		1,899		(1,327	)		—		—			1,899		(1,327	)
Asset-backed securities		3,884		(13	)		3,884		(13	)		—		—
Equity securities		262		(273	)		—		—			262		(273	)
Other securities		980		(20	)		—		—			980		(20	)
Total		125,705		(10,146	)		104,108		(4,714	)		21,597		(5,432	)
Investment Securities Held-to-Maturity:
Federal agency obligations		11,980		(34	)		11,980		(34	)		—		—
Commercial mortgage-backed securities		6,207		(69	)		6,207		(69	)		—		—
Total		18,187		(103	)		18,187		(103	)		—		—
Total Temporarily Impaired Securities	$	143,892	$	(10,249	)	$	122,295	$	(4,817	)	$	21,597	$	(5,432	)

- 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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