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Allowance for Probable Loan Losses (Tables)

12 Months Ended

Dec. 31, 2012

Allowance for Probable Loan Losses

Summary of the transactions in the allowance for probable loan losses, by loan class

		December 31, 2012
		Domestic																		Foreign
		Commercial			Commercial real estate: other construction & land development			Commercial real estate: farmland & commercial			Commercial real estate: multifamily			Residential: first lien			Residential: junior lien			Consumer			Foreign			Total
		(Dollars in Thousands)
Balance at December 31,		$	26,617		$	19,940		$	24,227		$	1,003		$	4,562		$	4,760		$	1,724		$	1,359		$	84,192
Losses charge to allowance			(34,721	)		(7,617	)		(13,724	)		—			(227	)		(1,190	)		(756	)		(111	)		(58,346	)
Recoveries credited to allowance			3,547			229			220			—			13			195			184			—			4,388
Net losses charged to allowance			(31,174	)		(7,388	)		(13,504	)		—			(214	)		(995	)		(572	)		(111	)		(53,958	)
Provision (credit) charged to operations			16,189			168			11,157			(309	)		42			683			137			(108	)		27,959
Balance at December 31,		$	11,632		$	12,720		$	21,880		$	694		$	4,390		$	4,448		$	1,289		$	1,140		$	58,193

		December 31, 2011
		Domestic																		Foreign
		Commercial			Commercial real estate: other construction & land development			Commercial real estate: farmland & commercial			Commercial real estate: multifamily			Residential: first lien			Residential: junior lien			Consumer			Foreign			Total
		(Dollars in Thousands)
Balance at December 31,		$	22,046		$	26,695		$	16,340		$	53		$	10,059		$	2,611		$	6,241		$	437		$	84,482
Losses charge to allowance			(16,130	)		(1,467	)		(1,955	)		—			(805	)		(1,304	)		(1,067	)		(171	)		(22,899	)
Recoveries credited to allowance			4,126			171			296			—			28			300			211			159			5,291
Net losses charged to allowance			(12,004	)		(1,296	)		(1,659	)		—			(777	)		(1,004	)		(856	)		(12	)		(17,608	)
Provision (credit) charged to operations			16,575			(5,459	)		9,546			950			(4,720	)		3,153			(3,661	)		934			17,318
Balance at December 31,		$	26,617		$	19,940		$	24,227		$	1,003		$	4,562		$	4,760		$	1,724		$	1,359		$	84,192

Loans individually or collectively evaluated for impairment and related allowance, by loan class

		December 31, 2012
		(Dollars in Thousands)
		Loans individually evaluated for impairment						Loans collectively evaluated for impairment
		Recorded Investment			Allowance			Recorded Investment			Allowance
Domestic
Commercial		$	32,768		$	1,477		$	736,342		$	10,155
Commercial real estate: other construction & land development			28,660			539			1,119,009			12,181
Commercial real estate: farmland & commercial			13,945			2,730			1,659,377			19,150
Commercial real estate: multifamily			353			—			82,595			694
Residential: first lien			3,656			—			453,075			4,390
Residential: junior lien			1,850			—			379,886			4,448
Consumer			1,326			—			73,188			1,289
Foreign			447			—			188,527			1,140
Total		$	83,005		$	4,746		$	4,691,999		$	53,447

		December 31, 2011
		(Dollars in Thousands)
		Loans individually evaluated for impairment						Loans collectively evaluated for impairment
		Recorded Investment			Allowance			Recorded Investment			Allowance
Domestic
Commercial		$	27,603		$	14,402		$	746,213		$	12,215
Commercial real estate: other construction & land development			60,428			3,073			1,212,961			16,867
Commercial real estate: farmland & commercial			42,231			9,754			1,622,456			14,473
Commercial real estate: multifamily			411			—			121,188			1,003
Residential: first lien			2,290			23			493,432			4,539
Residential: junior lien			1,962			—			398,186			4,760
Consumer			1,334			—			92,775			1,724
Foreign			46			—			229,959			1,359
Total		$	136,305		$	27,252		$	4,917,170		$	56,940

Loans accounted on non-accrual basis, by loan class

		December 31,
		2012			2011
		(Dollars in Thousands)
Domestic
Commercial		$	31,929		$	26,819
Commercial real estate: other construction & land development			26,410			54,336
Commercial real estate: farmland & commercial			11,681			34,910
Commercial real estate: multifamily			353			411
Residential: first lien			1,175			1,848
Residential: junior lien			175			135
Consumer			45			46
Total non-accrual loans		$	71,768		$	118,505

Impaired loans, by loan class

The following tables detail key information regarding the Company's impaired loans by loan class for the year ended December 31, 2012:

		December 31, 2012
		Recorded Investment			Unpaid Principal Balance			Related Allowance			Average Recorded Investment			Interest Recognized
		(Dollars in Thousands)
Loans with Related Allowance
Domestic
Commercial		$	1,633		$	1,679		$	1,477		$	21,126		$	39
Commercial real estate: other construction & land development			3,671			3,671			539			6,608			—
Commercial real estate: farmland & commercial			6,678			9,923			2,730			7,342			92
Total impaired loans with related allowance		$	11,982		$	15,273		$	4,746		$	35,076		$	131

		December 31, 2012
		Recorded Investment			Unpaid Principal Balance			Average Recorded Investment			Interest Recognized
		(Dollars in Thousands)
Loans with No Related Allowance
Domestic
Commercial		$	31,135		$	31,170		$	2,996		$	4
Commercial real estate: other construction & land development			24,989			25,160			39,449			141
Commercial real estate: farmland & commercial			7,267			9,340			16,536			8
Commercial real estate: multifamily			353			353			381			—
Residential: first lien			3,656			3,984			2,876			60
Residential: junior lien			1,850			1,944			1,939			104
Consumer			1,326			1,330			1,193			—
Foreign			447			447			166			6
Total impaired loans with no related allowance		$	71,023		$	73,728		$	65,536		$	323

        The following tables detail key information regarding the Company's impaired loans by loan class for the year ended December 31, 2011:

		December 31, 2011
		Recorded Investment			Unpaid Principal Balance			Related Allowance			Average Recorded Investment			Interest Recognized
		(Dollars in Thousands)
Loans with Related Allowance
Domestic
Commercial		$	24,108		$	24,108		$	14,402		$	23,101		$	41
Commercial real estate: other construction & land development			34,417			34,432			3,073			32,408			—
Commercial real estate: farmland & commercial			28,636			28,671			9,754			23,226			817
Residential: first lien			208			208			23			1,117			—
Total impaired loans with related allowance		$	87,369		$	87,419		$	27,252		$	79,852		$	858

		December 31, 2011
		Recorded Investment			Unpaid Principal Balance			Average Recorded Investment			Interest Recognized
		(Dollars in Thousands)
Loans with No Related Allowance
Domestic
Commercial		$	3,495		$	3,500		$	685		$	—
Commercial real estate: other construction & land development			26,011			26,042			25,696			117
Commercial real estate: farmland & commercial			13,595			14,129			9,268			102
Commercial real estate: multifamily			411			411			439			—
Residential: first lien			2,082			2,116			1,636			27
Residential: junior lien			1,962			1,970			1,956			122
Consumer			1,334			1,337			1,239			—
Foreign			46			46			47			4
Total impaired loans with no related allowance		$	48,936		$	49,551		$	40,966		$	372

Information regarding the aging of past due loans, by loan class

		December 31, 2012
		30 - 59 Days			60 - 89 Days			90 Days or Greater			90 Days or greater & still accruing			Total Past due			Current			Total Portfolio
		(Dollars in Thousands)
Domestic
Commercial		$	4,393		$	471		$	3,386		$	2,689		$	8,250		$	760,860		$	769,110
Commercial real estate: other construction & land development			1,107			2,300			24,225			497			27,632			1,120,037			1,147,669
Commercial real estate: farmland & commercial			3,127			21,272			2,310			929			26,709			1,646,613			1,673,322
Commercial real estate: multifamily			685			—			353			—			1,038			81,910			82,948
Residential: first lien			4,305			2,510			10,645			9,657			17,460			439,271			456,731
Residential: junior lien			2,035			410			259			115			2,704			379,032			381,736
Consumer			1,598			404			915			882			2,917			71,597			74,514
Foreign			2,257			1,005			264			264			3,526			185,448			188,974
Total past due loans		$	19,507		$	28,372		$	42,357		$	15,033		$	90,236		$	4,684,768		$	4,775,004

		December 31, 2011
		30 - 59 Days			60 - 89 Days			90 Days or Greater			90 Days or greater & still accruing			Total Past due			Current			Total Portfolio
		(Dollars in Thousands)
Domestic
Commercial		$	5,180		$	1,369		$	1,842		$	1,490		$	8,391		$	765,425		$	773,816
Commercial real estate: other construction & land development			23,426			4,360			49,887			979			77,673			1,195,716			1,273,389
Commercial real estate: farmland & commercial			9,467			10,269			7,879			1,231			27,615			1,637,072			1,664,687
Commercial real estate: multifamily			450			—			411			—			861			120,738			121,599
Residential: first lien			6,207			2,757			10,295			9,382			19,259			476,463			495,722
Residential: junior lien			1,433			378			368			320			2,179			397,969			400,148
Consumer			1,643			408			912			866			2,963			91,146			94,109
Foreign			666			53			20			20			739			229,266			230,005
Total past due loans		$	48,472		$	19,594		$	71,614		$	14,288		$	139,680		$	4,913,795		$	5,053,475

Summary of the loan portfolio by credit quality indicator, by loan class

		December 31, 2012
		Pass			Special Review			Watch List—Pass			Watch List— Substandard			Watch List— Impaired
		(Dollars in Thousands)
Domestic
Commercial		$	675,263		$	4,278		$	16,535		$	40,266		$	32,768
Commercial real estate: other construction & land development			1,038,749			55,079			2,614			22,567			28,660
Commercial real estate: farmland & commercial			1,486,572			109,144			46,316			17,345			13,945
Commercial real estate: multifamily			82,542			—			53			—			353
Residential: first lien			446,218			519			—			6,338			3,656
Residential: junior lien			378,000			77			309			1,500			1,850
Consumer			73,188			—			—			—			1,326
Foreign			188,499			—			28			—			447
Total		$	4,369,031		$	169,097		$	65,855		$	88,016		$	83,005

		December 31, 2011
		Pass			Special Review			Watch List—Pass			Watch List— Substandard			Watch List— Impaired
		(Dollars in Thousands)
Domestic
Commercial		$	655,154		$	5,279		$	6,361		$	79,419		$	27,603
Commercial real estate: other construction & land development			1,058,843			76,722			11,083			66,313			60,428
Commercial real estate: farmland & commercial			1,449,822			83,581			40,510			48,543			42,231
Commercial real estate: multifamily			121,188			—			—			—			411
Residential: first lien			490,924			132			974			1,402			2,290
Residential: junior lien			397,861			—			319			6			1,962
Consumer			92,714			—			41			20			1,334
Foreign			229,898			—			61			—			46
Total		$	4,496,404		$	165,714		$	59,349		$	195,703		$	136,305

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Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account.

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Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics.

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