Allowance for Probable Loan Losses (Tables)

3 Months Ended

Mar. 31, 2013

Allowance for Probable Loan Losses

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

	2013
	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,	$	11,632		$	12,720		$	21,880		$	694		$	4,390		$	4,448		$	1,289		$	1,140		$	58,193
Losses charge to allowance	(2,663		)	(128		)	(60		)	—			(172		)	(255		)	(211		)	(20		)	(3,509		)
Recoveries credited to allowance	694			13			13			—			5			94			46			—			865
Net losses charged to allowance	(1,969		)	(115		)	(47		)	—			(167		)	(161		)	(165		)	(20		)	(2,644		)
Provision charged to operations	11,263			(1,552		)	(1,182		)	(85		)	(355		)	(276		)	(304		)	(90		)	7,419
Balance at March 31,	$	20,926		$	11,053		$	20,651		$	609		$	3,868		$	4,011		$	820		$	1,030		$	62,968

	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	(3,424		)	(71		)	(7,994		)	—			(36		)	(312		)	(247		)	—			(12,084		)
Recoveries credited to allowance	1,244			5			31			—			2			45			61			—			1,388
Net losses charged to allowance	(2,180		)	(66		)	(7.963		)	—			(34		)	(267		)	(186		)	—			(10,696		)
Provision charged to operations	140			(108		)	5,546			(154		)	(149		)	12			64			(66		)	5,285
Balance at March 31,	$	24,577		$	19,766		$	21,810		$	849		$	4, 379		$	4,505		$	1,602		$	1,293		$	78,781

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

	March 31, 2013
	Loans individually evaluated for impairment				Loans collectively evaluated for impairment
	Recorded Investment		Allowance		Recorded Investment		Allowance
	(Dollars in Thousands)
Domestic
Commercial	$	33,108	$	11,544	$	835,849	$	9,382
Commercial real estate: other construction & land development	26,172		823		1,059,334		10,230
Commercial real estate: farmland & commercial	11,900		2,644		1,697,537		18,007
Commercial real estate: multifamily	338		—		78,516		609
Residential: first lien	4,546		—		445,845		3,868
Residential: junior lien	1,702		—		376,995		4,011
Consumer	1,245		—		68,785		820
Foreign	462		—		184,175		1,030
Total	$	79,473	$	15,011	$	4,747,036	$	47,957

	December 31, 2012
	Loans individually evaluated for impairment				Loans collectively evaluated for impairment
	Recorded Investment		Allowance		Recorded Investment		Allowance
	(Dollars in Thousands)
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

Loans accounted on non-accrual basis, by loan class

	March 31, 2013		December 31, 2012
	(Dollars in Thousands)
Domestic
Commercial	$	32,292	$	31,929
Commercial real estate: other construction & land development	23,922		26,410
Commercial real estate: farmland & commercial	9,636		11,681
Commercial real estate: multifamily	338		353
Residential: first lien	1,702		1,175
Residential: junior lien	126		175
Consumer	42		45
Foreign	21		—
Total non-accrual loans	$	68,079	$	71,768

Impaired loans, by loan class

	March 31, 2013
	Recorded Investment		Unpaid Principal Balance		Related Allowance		Average Recorded Investment		Interest Recognized
	(Dollars in Thousands)
Loans with Related Allowance
Domestic
Commercial	$	18,668	$	18,702	$	11,544	$	18,688	$	9
Commercial real estate: other construction & land development	5,516		5,605		823		5,478		—
Commercial real estate: farmland & commercial	6,438		9,717		2,644		6,452		23
Total impaired loans with related allowance	$	30,622	$	34,024	$	15,011	$	30,618	$	32

	March 31, 2013
	Recorded Investment		Unpaid Principal Balance		Average Recorded Investment		Interest Recognized
	(Dollars in Thousands)
Loans with No Related Allowance
Domestic
Commercial	$	14,440	$	14,487	$	15,147	$	1
Commercial real estate: other construction & land development	20,656		20,743		20,878		18
Commercial real estate: farmland & commercial	5,462		6,232		5,006		—
Commercial real estate: multifamily	338		338		345		—
Residential: first lien	4,546		4,595		3,840		33
Residential: junior lien	1,702		1,720		1,732		24
Consumer	1,245		1,250		1,246		—
Foreign	462		463		457		5
Total impaired loans with no related allowance	$	48,851	$	49,828	$	48,651	$	81

	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

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

	March 31, 2013
	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	$	4,024	$	25,758	$	4,457	$	3,762	$	34,239	$	834,718	$	868,957
Commercial real estate: other construction & land development	556		14,352		30,668		7,910		45,576		1,039,930		1,085,506
Commercial real estate: farmland & commercial	6,067		2,039		7,767		4,491		15,873		1,693,564		1,709,437
Commercial real estate: multifamily	862		—		412		73		1,274		77,580		78,854
Residential: first lien	4,093		1,232		8,648		7,836		13,973		436,418		450,391
Residential: junior lien	641		112		434		372		1,187		377,510		378,697
Consumer	1,702		299		658		627		2,659		67,371		70,030
Foreign	956		49		556		535		1,561		183,076		184,637
Total past due loans	$	18,901	$	43,841	$	53,600	$	25,606	$	116,342	$	4,710,167	$	4,826,509

	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

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

			March 31, 2013
	Pass		Special Review		Watch List - Pass		Watch List - Substandard		Watch List - Impaired
			(Dollars in Thousands)
Domestic
Commercial	$	775,851	$	3,986	$	15,888	$	40,124	$	33,108
Commercial real estate: other construction & land development	992,504		34,790		2,901		29,139		26,172
Commercial real estate: farmland & commercial	1,555,921		86,445		32,798		22,373		11,900
Commercial real estate: multifamily	78,465		—		51		—		338
Residential: first lien	439,754		517		—		5,574		4,546
Residential: junior lien	375,111		77		—		1,807		1,702
Consumer	68,785		—		—		—		1,245
Foreign	183,814		—		—		361		462
Total	$	4,470,205	$	125,815	$	51,638	$	99,378	$	79,473

			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