LHFI and Allowance for Loan Losses, LHFI (Tables)

12 Months Ended

Dec. 31, 2015

Accounts Notes Loans And Financing Receivable Gross Allowance And Net [Abstract]

At December 31, 2015 and 2014, LHFI consisted of the following ($ in thousands):

	December 31,
	2015		2014
Loans secured by real estate:
Construction, land development and other land	$	824,723	$	619,877
Secured by 1-4 family residential properties		1,649,501		1,634,397
Secured by nonfarm, nonresidential properties		1,736,476		1,553,193
Other real estate secured		211,228		253,787
Commercial and industrial loans		1,343,211		1,270,350
Consumer loans		169,135		167,964
State and other political subdivision loans		734,615		602,727
Other loans		422,496		347,174
LHFI		7,091,385		6,449,469
Less allowance for loan losses, LHFI		67,619		69,616
Net LHFI	$	7,023,766	$	6,379,853

Summary of LHFI Evaluated for Impairment

The following tables detail LHFI individually and collectively evaluated for impairment at December 31, 2015 and 2014 ($ in thousands):

	December 31, 2015
	LHFI Evaluated for Impairment
	Individually		Collectively		Total
Loans secured by real estate:
Construction, land development and other land	$	6,123	$	818,600	$	824,723
Secured by 1-4 family residential properties		23,079		1,626,422		1,649,501
Secured by nonfarm, nonresidential properties		17,800		1,718,676		1,736,476
Other real estate secured		145		211,083		211,228
Commercial and industrial loans		7,622		1,335,589		1,343,211
Consumer loans		31		169,104		169,135
State and other political subdivision loans		—		734,615		734,615
Other loans		512		421,984		422,496
Total	$	55,312	$	7,036,073	$	7,091,385

	December 31, 2014
	LHFI Evaluated for Impairment
	Individually		Collectively		Total
Loans secured by real estate:
Construction, land development and other land	$	13,867	$	606,010	$	619,877
Secured by 1-4 family residential properties		25,621		1,608,776		1,634,397
Secured by nonfarm, nonresidential properties		25,717		1,527,476		1,553,193
Other real estate secured		1,318		252,469		253,787
Commercial and industrial loans		12,104		1,258,246		1,270,350
Consumer loans		88		167,876		167,964
State and other political subdivision loans		—		602,727		602,727
Other loans		628		346,546		347,174
Total	$	79,343	$	6,370,126	$	6,449,469

Impaired Financing Receivables

At December 31, 2015 and 2014, the carrying amount of LHFI individually evaluated for impairment consisted of the following ($ in thousands):

	December 31, 2015
	LHFI
	Unpaid		With No Related		With an		Total				Average
	Principal		Allowance		Allowance		Carrying		Related		Recorded
	Balance		Recorded		Recorded		Amount		Allowance		Investment
Loans secured by real estate:
Construction, land development and other land	$	11,113	$	3,395	$	2,728	$	6,123	$	909	$	9,995
Secured by 1-4 family residential properties		27,678		283		22,796		23,079		1,230		24,350
Secured by nonfarm, nonresidential properties		20,387		8,037		9,763		17,800		3,402		21,758
Other real estate secured		160		—		145		145		15		732
Commercial and industrial loans		9,880		1,137		6,485		7,622		3,304		9,863
Consumer loans		34		—		31		31		—		59
State and other political subdivision loans		—		—		—		—		—		—
Other loans		642		—		512		512		128		570
Total	$	69,894	$	12,852	$	42,460	$	55,312	$	8,988	$	67,327

	December 31, 2014
	LHFI
	Unpaid		With No Related		With an		Total				Average
	Principal		Allowance		Allowance		Carrying		Related		Recorded
	Balance		Recorded		Recorded		Amount		Allowance		Investment
Loans secured by real estate:
Construction, land development and other land	$	20,849	$	7,411	$	6,456	$	13,867	$	2,767	$	13,597
Secured by 1-4 family residential properties		31,151		1,650		23,971		25,621		450		23,612
Secured by nonfarm, nonresidential properties		27,969		12,868		12,849		25,717		2,787		23,763
Other real estate secured		1,594		—		1,318		1,318		52		1,322
Commercial and industrial loans		13,916		1,206		10,898		12,104		6,449		9,195
Consumer loans		152		—		88		88		—		120
State and other political subdivision loans		—		—		—		—		—		—
Other loans		734		—		628		628		259		682
Total	$	96,365	$	23,135	$	56,208	$	79,343	$	12,764	$	72,291

Impact of Modifications Classified as Troubled Debt Restructurings

The following tables illustrate the impact of modifications classified as TDRs as well as those TDRs modified within the last 12 months for which there was a payment default during the period for the periods presented ($ in thousands):

	Year Ended December 31, 2015
Troubled Debt Restructurings	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Loans secured by 1-4 family residential properties		13	$	688	$	688
Loans secured by nonfarm, nonresidential properties		5		3,613		3,613
Total		18	$	4,301	$	4,301

Year Ended December 31, 2014

Troubled Debt Restructurings

Number of

Contracts

Pre-Modification

Outstanding

Recorded

Investment

Post-Modification

Outstanding

Recorded

Investment

Loans secured by 1-4 family residential properties

1,248

1,234

	Year Ended December 31, 2013
Troubled Debt Restructurings	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Loans secured by 1-4 family residential properties		10	$	498	$	441
Loans secured by nonfarm, nonresidential properties		1		952		952
Commercial and industrial loans		2		944		937
Other loans		1		2,490		2,490
Total		14	$	4,884	$	4,820

Troubled Debt Restructuring Subsequently Defaulted

	Years Ended December 31,
	2015				2014				2013
TDRs that Subsequently Defaulted	Number of Contracts		Recorded Investment		Number of Contracts		Recorded Investment		Number of Contracts		Recorded Investment
Loans secured by 1-4 family residential properties		5	$	260		1	$	103		5	$	345

Troubled Debt Restructuring Related to Loans Held for Investment, Excluding Covered Loans, by Loan Type

The following tables detail LHFI classified as TDRs by loan type at December 31, 2015, 2014 and 2013 ($ in thousands):

	December 31, 2015
	Accruing		Nonaccrual		Total
Loans secured by real estate:
Construction, land development and other land loans	$	—	$	869	$	869
Secured by 1-4 family residential properties		1,426		2,424		3,850
Secured by nonfarm, nonresidential properties		809		3,662		4,471
Commercial and industrial loans		—		463		463
Total TDRs	$	2,235	$	7,418	$	9,653

	December 31, 2014
	Accruing		Nonaccrual		Total
Loans secured by real estate:
Construction, land development and other land loans	$	—	$	3,665	$	3,665
Secured by 1-4 family residential properties		1,385		3,733		5,118
Secured by nonfarm, nonresidential properties		—		1,854		1,854
Other real estate secured		—		149		149
Commercial and industrial loans		—		509		509
Total TDRs	$	1,385	$	9,910	$	11,295

	December 31, 2013
	Accruing		Nonaccrual		Total
Loans secured by real estate:
Construction, land development and other land loans	$	—	$	6,247	$	6,247
Secured by 1-4 family residential properties		1,320		4,201		5,521
Secured by nonfarm, nonresidential properties		—		2,292		2,292
Other real estate secured		—		167		167
Commercial and industrial loans		—		549		549
Total TDRs	$	1,320	$	13,456	$	14,776

Carrying Amount of Loans by Credit Quality Indicator

The tables below illustrate the carrying amount of LHFI by credit quality indicator at December 31, 2015 and 2014 ($ in thousands):

	December 31, 2015
	Commercial LHFI
	Pass -		Special Mention -		Substandard -		Doubtful -
	Categories 1-6		Category 7		Category 8		Category 9		Subtotal
Loans secured by real estate:
Construction, land development and other land	$	746,227	$	—	$	15,637	$	529	$	762,393
Secured by 1-4 family residential properties		125,268		345		7,525		190		133,328
Secured by nonfarm, nonresidential properties		1,680,846		2,031		52,485		361		1,735,723
Other real estate secured		205,097		—		4,768		—		209,865
Commercial and industrial loans		1,295,760		9,473		37,284		694		1,343,211
Consumer loans		—		—		—		—		—
State and other political subdivision loans		713,616		12,478		8,521		—		734,615
Other loans		414,089		183		2,663		375		417,310
Total	$	5,180,903	$	24,510	$	128,883	$	2,149	$	5,336,445

	Consumer LHFI
			Past Due		Past Due
	Current		30-89 Days		90 Days or More		Nonaccrual		Subtotal		Total LHFI
Loans secured by real estate:
Construction, land development and other land	$	62,158	$	146	$	—	$	26	$	62,330	$	824,723
Secured by 1-4 family residential properties		1,485,914		7,565		2,058		20,636		1,516,173		1,649,501
Secured by nonfarm, nonresidential properties		753		—		—		—		753		1,736,476
Other real estate secured		1,363		—		—		—		1,363		211,228
Commercial and industrial loans		—		—		—		—		—		1,343,211
Consumer loans		166,681		2,182		242		30		169,135		169,135
State and other political subdivision loans		—		—		—		—		—		734,615
Other loans		5,186		—		—		—		5,186		422,496
Total	$	1,722,055	$	9,893	$	2,300	$	20,692	$	1,754,940	$	7,091,385

	December 31, 2014
	Commercial LHFI
	Pass -		Special Mention -		Substandard -		Doubtful -
	Categories 1-6		Category 7		Category 8		Category 9		Subtotal
Loans secured by real estate:
Construction, land development and other land	$	518,944	$	479	$	37,022	$	196	$	556,641
Secured by 1-4 family residential properties		125,203		1,652		7,483		213		134,551
Secured by nonfarm, nonresidential properties		1,462,226		8,431		81,661		—		1,552,318
Other real estate secured		246,099		306		4,975		—		251,380
Commercial and industrial loans		1,239,247		4,245		26,133		719		1,270,344
Consumer loans		—		—		—		—		—
State and other political subdivision loans		589,653		7,550		5,524		—		602,727
Other loans		338,598		—		1,255		564		340,417
Total	$	4,519,970	$	22,663	$	164,053	$	1,692	$	4,708,378

	Consumer LHFI
			Past Due		Past Due
	Current		30-89 Days		90 Days or More		Nonaccrual		Subtotal		Total LHFI
Loans secured by real estate:
Construction, land development and other land	$	62,897	$	199	$	59	$	81	$	63,236	$	619,877
Secured by 1-4 family residential properties		1,465,355		10,429		2,367		21,695		1,499,846		1,634,397
Secured by nonfarm, nonresidential properties		875		—		—		—		875		1,553,193
Other real estate secured		2,407		—		—		—		2,407		253,787
Commercial and industrial loans		—		5		1		—		6		1,270,350
Consumer loans		165,504		2,162		211		87		167,964		167,964
State and other political subdivision loans		—		—		—		—		—		602,727
Other loans		6,757		—		—		—		6,757		347,174
Total	$	1,703,795	$	12,795	$	2,638	$	21,863	$	1,741,091	$	6,449,469

Aging Analysis of Past Due Loans and Nonaccrual Loans, Excluding Covered Loans by Class

The following tables provide an aging analysis of past due and nonaccrual LHFI by loan type at December 31, 2015 and 2014 ($ in thousands):

	December 31, 2015
	Past Due
					90 Days						Current
	30-59 Days		60-89 Days		or More (1)		Total		Nonaccrual		Loans		Total LHFI
Loans secured by real estate:
Construction, land development and other land	$	214	$	—	$	—	$	214	$	6,123	$	818,386	$	824,723
Secured by 1-4 family residential properties		6,203		1,800		2,058		10,061		23,079		1,616,361		1,649,501
Secured by nonfarm, nonresidential properties		437		88		—		525		17,800		1,718,151		1,736,476
Other real estate secured		—		—		—		—		145		211,083		211,228
Commercial and industrial loans		921		45		—		966		7,622		1,334,623		1,343,211
Consumer loans		1,835		347		242		2,424		31		166,680		169,135
State and other political subdivision loans		65		—		—		65		—		734,550		734,615
Other loans		68		—		—		68		512		421,916		422,496
Total	$	9,743	$	2,280	$	2,300	$	14,323	$	55,312	$	7,021,750	$	7,091,385

(1)	Past due 90 days or more but still accruing interest.

	December 31, 2014
	Past Due
					90 Days						Current
	30-59 Days		60-89 Days		or More (1)		Total		Nonaccrual		Loans		Total LHFI
Loans secured by real estate:
Construction, land development and other land	$	248	$	17	$	60	$	325	$	13,867	$	605,685	$	619,877
Secured by 1-4 family residential properties		8,424		2,428		2,367		13,219		25,621		1,595,557		1,634,397
Secured by nonfarm, nonresidential properties		1,960		34		—		1,994		25,717		1,525,482		1,553,193
Other real estate secured		80		—		—		80		1,318		252,389		253,787
Commercial and industrial loans		2,491		306		126		2,923		12,104		1,255,323		1,270,350
Consumer loans		1,811		351		211		2,373		88		165,503		167,964
State and other political subdivision loans		—		—		—		—		—		602,727		602,727
Other loans		132		9		—		141		628		346,405		347,174
Total	$	15,146	$	3,145	$	2,764	$	21,055	$	79,343	$	6,349,071	$	6,449,469

(1)	Past due 90 days or more but still accruing interest.

Change in Allowance for Loan Losses

Changes in the allowance for loan losses, LHFI were as follows for the periods presented ($ in thousands):

	Years Ended December31,
	2015			2014			2013
Balance at beginning of period	$	69,616		$	66,448		$	78,738
Loans charged-off		(22,469	)		(13,226	)		(13,478	)
Recoveries		12,097			15,183			14,609
Net (charge-offs) recoveries		(10,372	)		1,957			1,131
Provision for loan losses, LHFI		8,375			1,211			(13,421	)
Balance at end of period	$	67,619		$	69,616		$	66,448

The following tables detail the balance in the allowance for loan losses, LHFI by loan type at December 31, 2015 and 2014, respectively ($ in thousands):

	2015
	Balance							Provision for			Balance
	January 1,		Charge-offs			Recoveries		Loan Losses			December 31,
Loans secured by real estate:
Construction, land development and other land	$	13,073	$	(2,435	)	$	1,773	$	(824	)	$	11,587
Secured by 1-4 family residential properties		9,677		(2,473	)		920		2,554			10,678
Secured by nonfarm, nonresidential properties		18,523		(1,439	)		605		3,874			21,563
Other real estate secured		2,141		(24	)		136		214			2,467
Commercial and industrial loans		19,917		(8,081	)		1,761		2,218			15,815
Consumer loans		2,149		(2,171	)		3,289		(388	)		2,879
State and other political subdivision loans		1,314		—			—		(505	)		809
Other loans		2,822		(5,846	)		3,613		1,232			1,821
Total allowance for loan losses, LHFI	$	69,616	$	(22,469	)	$	12,097	$	8,375		$	67,619

	Disaggregated by Impairment Method
	Individually		Collectively		Total
Loans secured by real estate:
Construction, land development and other land	$	909	$	10,678	$	11,587
Secured by 1-4 family residential properties		1,230		9,448		10,678
Secured by nonfarm, nonresidential properties		3,402		18,161		21,563
Other real estate secured		15		2,452		2,467
Commercial and industrial loans		3,304		12,511		15,815
Consumer loans		—		2,879		2,879
State and other political subdivision loans		—		809		809
Other loans		128		1,693		1,821
Total allowance for loan losses, LHFI	$	8,988	$	58,631	$	67,619

	2014
	Balance							Provision for			Balance
	January 1,		Charge-offs			Recoveries		Loan Losses			December 31,
Loans secured by real estate:
Construction, land development and other land	$	13,165	$	(1,100	)	$	3,608	$	(2,600	)	$	13,073
Secured by 1-4 family residential properties		9,633		(2,505	)		922		1,627			9,677
Secured by nonfarm, nonresidential properties		19,672		(390	)		944		(1,703	)		18,523
Other real estate secured		2,080		(277	)		—		338			2,141
Commercial and industrial loans		15,522		(2,092	)		2,657		3,830			19,917
Consumer loans		2,405		(1,965	)		3,883		(2,174	)		2,149
State and other political subdivision loans		1,205		—			—		109			1,314
Other loans		2,766		(4,897	)		3,169		1,784			2,822
Total allowance for loan losses, LHFI	$	66,448	$	(13,226	)	$	15,183	$	1,211		$	69,616

	Disaggregated by Impairment Method
	Individually		Collectively		Total
Loans secured by real estate:
Construction, land development and other land	$	2,767	$	10,306	$	13,073
Secured by 1-4 family residential properties		450		9,227		9,677
Secured by nonfarm, nonresidential properties		2,787		15,736		18,523
Other real estate secured		52		2,089		2,141
Commercial and industrial loans		6,449		13,468		19,917
Consumer loans		—		2,149		2,149
State and other political subdivision loans		—		1,314		1,314
Other loans		259		2,563		2,822
Total allowance for loan losses, LHFI	$	12,764	$	56,852	$	69,616