LHFI and Allowance for Loan Losses, LHFI (Tables)

3 Months Ended

Mar. 31, 2016

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

At March 31, 2016 and December 31, 2015, LHFI consisted of the following ($ in thousands):

	March 31, 2016		December 31, 2015
Loans secured by real estate:
Construction, land development and other land	$	697,500	$	824,723
Secured by 1-4 family residential properties		1,640,015		1,649,501
Secured by nonfarm, nonresidential properties		1,893,240		1,736,476
Other real estate secured		273,752		211,228
Commercial and industrial loans		1,368,464		1,343,211
Consumer loans		164,544		169,135
State and other political subdivision loans		787,049		734,615
Other loans		443,458		422,496
LHFI		7,268,022		7,091,385
Less allowance for loan losses, LHFI		69,668		67,619
Net LHFI	$	7,198,354	$	7,023,766

Summary of LHFI Evaluated for Impairment

The following tables detail LHFI individually and collectively evaluated for impairment at March 31, 2016 and December 31, 2015 ($ in thousands):

	March 31, 2016
	LHFI Evaluated for Impairment
	Individually		Collectively		Total
Loans secured by real estate:
Construction, land development and other land	$	6,308	$	691,192	$	697,500
Secured by 1-4 family residential properties		23,660		1,616,355		1,640,015
Secured by nonfarm, nonresidential properties		22,141		1,871,099		1,893,240
Other real estate secured		93		273,659		273,752
Commercial and industrial loans		17,827		1,350,637		1,368,464
Consumer loans		86		164,458		164,544
State and other political subdivision loans		—		787,049		787,049
Other loans		579		442,879		443,458
Total	$	70,694	$	7,197,328	$	7,268,022

	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

Impaired Financing Receivables

At March 31, 2016 and December 31, 2015, the carrying amount of LHFI individually evaluated for impairment consisted of the following ($ in thousands):

	March 31, 2016
	LHFI
	Unpaid Principal Balance		With No Related Allowance Recorded		With an Allowance Recorded		Total Carrying Amount		Related Allowance		Average Recorded Investment
Loans secured by real estate:
Construction, land development and other land	$	9,512	$	3,331	$	2,977	$	6,308	$	736	$	6,216
Secured by 1-4 family residential properties		28,409		377		23,283		23,660		1,219		23,369
Secured by nonfarm, nonresidential properties		24,784		7,411		14,730		22,141		4,374		19,971
Other real estate secured		109		—		93		93		14		119
Commercial and industrial loans		19,964		1,020		16,807		17,827		4,890		12,724
Consumer loans		91		—		86		86		1		59
State and other political subdivision loans		—		—		—		—		—		—
Other loans		721		—		579		579		179		546
Total	$	83,590	$	12,139	$	58,555	$	70,694	$	11,413	$	63,004

	December 31, 2015
	LHFI
	Unpaid Principal Balance		With No Related Allowance Recorded		With an Allowance Recorded		Total Carrying Amount		Related Allowance		Average Recorded 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

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):

	Three Months Ended March 31,
	2016						2015
Troubled Debt Restructurings	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment		Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Loans secured by 1-4 family residential properties		2	$	71	$	71		6	$	378	$	378

Troubled Debt Restructuring Subsequently Defaulted

	Three Months Ended March 31,
	2016				2015
TDRs that Subsequently Defaulted	Number of Contracts		Recorded Investment		Number of Contracts		Recorded Investment
Loans secured by 1-4 family residential properties		1	$	17		2	$	183

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 March 31, 2016 and 2015 ($ in thousands):

	March 31, 2016
	Accruing		Nonaccrual		Total
Loans secured by real estate:
Construction, land development and other land	$	—	$	845	$	845
Secured by 1-4 family residential properties		1,444		2,086		3,530
Secured by nonfarm, nonresidential properties		799		3,566		4,365
Other real estate secured		—		—		—
Commercial and industrial loans		—		448		448
Total TDRs	$	2,243	$	6,945	$	9,188

	March 31, 2015
	Accruing		Nonaccrual		Total
Loans secured by real estate:
Construction, land development and other land	$	—	$	3,086	$	3,086
Secured by 1-4 family residential properties		1,477		3,605		5,082
Secured by nonfarm, nonresidential properties		834		1,121		1,955
Other real estate secured		—		149		149
Commercial and industrial loans		—		511		511
Total TDRs	$	2,311	$	8,472	$	10,783

Carrying Amount of Loans by Credit Quality Indicator

The tables below illustrate the carrying amount of LHFI by credit quality indicator at March 31, 2016 and December 31, 2015 ($ in thousands):

	March 31, 2016
		Commercial LHFI
		Pass - Categories 1-6		Special Mention - Category 7		Substandard - Category 8		Doubtful - Category 9		Subtotal
Loans secured by real estate:
Construction, land development and other land		$	617,582	$	—	$	14,191	$	526	$	632,299
Secured by 1-4 family residential properties			119,537		552		8,194		356		128,639
Secured by nonfarm, nonresidential properties			1,832,682		1,487		57,525		673		1,892,367
Other real estate secured			271,453		—		1,283		—		272,736
Commercial and industrial loans			1,312,644		810		54,237		773		1,368,464
Consumer loans			—		—		—		—		—
State and other political subdivision loans			769,592		7,000		10,456		—		787,048
Other loans			435,973		—		2,459		445		438,877
Total		$	5,359,463	$	9,849	$	148,345	$	2,773	$	5,520,430

	Consumer LHFI
	Current		Past Due 30-89 Days		Past Due 90 Days or More		Nonaccrual		Subtotal		Total LHFI
Loans secured by real estate:
Construction, land development and other land	$	64,411	$	251	$	54	$	485	$	65,201	$	697,500
Secured by 1-4 family residential properties		1,483,060		6,535		403		21,378		1,511,376		1,640,015
Secured by nonfarm, nonresidential properties		873		—		—		—		873		1,893,240
Other real estate secured		1,016		—		—		—		1,016		273,752
Commercial and industrial loans		—		—		—		—		—		1,368,464
Consumer loans		162,973		1,332		154		85		164,544		164,544
State and other political subdivision loans		1		—		—		—		1		787,049
Other loans		4,581		—		—		—		4,581		443,458
Total	$	1,716,915	$	8,118	$	611	$	21,948	$	1,747,592	$	7,268,022

	December 31, 2015
		Commercial LHFI
		Pass - Categories 1-6		Special Mention - Category 7		Substandard - Category 8		Doubtful - 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
	Current		Past Due 30-89 Days		Past Due 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

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

The following tables provide an aging analysis of past due and nonaccrual LHFI by loan type at March 31, 2016 and December 31, 2015 ($ in thousands):

	March 31, 2016
	Past Due
	30-59 Days		60-89 Days		90 Days or More (1)		Total		Nonaccrual		Current Loans		Total LHFI
Loans secured by real estate:
Construction, land development and other land	$	336	$	—	$	54	$	390	$	6,308	$	690,802	$	697,500
Secured by 1-4 family residential properties		5,468		2,152		403		8,023		23,660		1,608,332		1,640,015
Secured by nonfarm, nonresidential properties		163		—		—		163		22,141		1,870,936		1,893,240
Other real estate secured		448		258		—		706		93		272,953		273,752
Commercial and industrial loans		1,594		94		—		1,688		17,827		1,348,949		1,368,464
Consumer loans		1,071		261		154		1,486		86		162,972		164,544
State and other political subdivision loans		—		—		—		—		—		787,049		787,049
Other loans		438		—		—		438		579		442,441		443,458
Total	$	9,518	$	2,765	$	611	$	12,894	$	70,694	$	7,184,434	$	7,268,022

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

	December 31, 2015
	Past Due
	30-59 Days		60-89 Days		90 Days or More (1)		Total		Nonaccrual		Current 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.

Change in Allowance for Loan Losses

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

	Three Months Ended March 31,
	2016			2015
Balance at beginning of period	$	67,619		$	69,616
Loans charged-off		(3,363	)		(3,004	)
Recoveries		3,169			2,924
Net charge-offs		(194	)		(80	)
Provision for loan losses, LHFI		2,243			1,785
Balance at end of period	$	69,668		$	71,321

The following tables detail the balance in the allowance for loan losses, LHFI by loan type at March 31, 2016 and 2015 ($ in thousands):

	2016
	Balance January 1,		Charge-offs			Recoveries		Provision for Loan Losses			Balance March 31,
Loans secured by real estate:
Construction, land development and other land	$	11,587	$	—		$	492	$	(1,937	)	$	10,142
Secured by 1-4 family residential properties		10,678		(692	)		457		30			10,473
Secured by nonfarm, nonresidential properties		21,563		(27	)		119		2,052			23,707
Other real estate secured		2,467		—			1		(395	)		2,073
Commercial and industrial loans		15,815		(770	)		123		2,481			17,649
Consumer loans		2,879		(484	)		1,010		(601	)		2,804
State and other political subdivision loans		809		—			—		7			816
Other loans		1,821		(1,390	)		967		606			2,004
Total allowance for loan losses, LHFI	$	67,619	$	(3,363	)	$	3,169	$	2,243		$	69,668

	Disaggregated by Impairment Method
	Individually		Collectively		Total
Loans secured by real estate:
Construction, land development and other land	$	736	$	9,406	$	10,142
Secured by 1-4 family residential properties		1,219		9,254		10,473
Secured by nonfarm, nonresidential properties		4,374		19,333		23,707
Other real estate secured		14		2,059		2,073
Commercial and industrial loans		4,890		12,759		17,649
Consumer loans		1		2,803		2,804
State and other political subdivision loans		—		816		816
Other loans		179		1,825		2,004
Total allowance for loan losses, LHFI	$	11,413	$	58,255	$	69,668

	2015
	Balance January 1,		Charge-offs			Recoveries		Provision for Loan Losses			Balance March 31,
Loans secured by real estate:
Construction, land development and other land loans	$	13,073	$	(9	)	$	240	$	2,969		$	16,273
Secured by 1-4 family residential properties		9,677		(434	)		43		(402	)		8,884
Secured by nonfarm, nonresidential properties		18,523		—			315		15			18,853
Other real estate secured		2,141		(24	)		3		(42	)		2,078
Commercial and industrial loans		19,917		(669	)		342		487			20,077
Consumer loans		2,149		(498	)		937		(627	)		1,961
State and other political subdivision loans		1,314		—			—		(627	)		687
Other loans		2,822		(1,370	)		1,044		12			2,508
Total allowance for loan losses, LHFI	$	69,616	$	(3,004	)	$	2,924	$	1,785		$	71,321

	Disaggregated by Impairment Method
	Individually		Collectively		Total
Loans secured by real estate:
Construction, land development and other land loans	$	4,097	$	12,176	$	16,273
Secured by 1-4 family residential properties		429		8,455		8,884
Secured by nonfarm, nonresidential properties		2,728		16,125		18,853
Other real estate secured		51		2,027		2,078
Commercial and industrial loans		6,502		13,575		20,077
Consumer loans		—		1,961		1,961
State and other political subdivision loans		—		687		687
Other loans		209		2,299		2,508
Total allowance for loan losses, LHFI	$	14,016	$	57,305	$	71,321