LHFI and Allowance for Loan Losses, LHFI (Tables)

12 Months Ended

Dec. 31, 2018

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

Loan Portfolio Held for Investment

At December 31, 2018 and 2017, LHFI consisted of the following ($ in thousands):

	December 31,
	2018		2017
Loans secured by real estate:
Construction, land development and other land	$	1,056,601	$	987,624
Secured by 1-4 family residential properties		1,825,492		1,675,311
Secured by nonfarm, nonresidential properties		2,220,914		2,193,823
Other real estate secured		543,820		517,956
Commercial and industrial loans		1,538,715		1,570,345
Consumer loans		182,448		171,918
State and other political subdivision loans		973,818		952,483
Other loans		494,060		500,507
LHFI		8,835,868		8,569,967
Less allowance for loan losses, LHFI		79,290		76,733
Net LHFI	$	8,756,578	$	8,493,234

Aging Analysis of Past Due and Nonaccrual LHFI by Loan Type

The following tables provide an aging analysis of past due and nonaccrual LHFI by loan type at December 31, 2018 and 2017 ($ in thousands):

	December 31, 2018
	Past Due
					90 Days						Current
	30-59 Days		60-89 Days		or More(1)		Total		Nonaccrual		Loans		TotalLHFI
Loans secured by real estate:
Construction, land development and    other land	$	284	$	—	$	—	$	284	$	2,218	$	1,054,099	$	1,056,601
Secured by 1-4 family residential properties		8,600		1,700		569		10,869		14,718		1,799,905		1,825,492
Secured by nonfarm, nonresidential    properties		1,887		—		—		1,887		9,621		2,209,406		2,220,914
Other real estate secured		197		99		—		296		927		542,597		543,820
Commercial and industrial loans		1,346		300		—		1,646		23,938		1,513,131		1,538,715
Consumer loans		1,800		353		287		2,440		205		179,803		182,448
State and other political subdivision loans		186		—		—		186		8,595		965,037		973,818
Other loans		83		—		—		83		1,402		492,575		494,060
Total	$	14,383	$	2,452	$	856	$	17,691	$	61,624	$	8,756,553	$	8,835,868

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

	December 31, 2017
	Past Due
					90 Days						Current
	30-59 Days		60-89 Days		or More(1)		Total		Nonaccrual		Loans		TotalLHFI
Loans secured by real estate:
Construction, land development and    other land	$	391	$	1	$	—	$	392	$	2,105	$	985,127	$	987,624
Secured by 1-4 family residential properties		6,412		2,084		1,917		10,413		19,022		1,645,876		1,675,311
Secured by nonfarm, nonresidential    properties		2,319		256		—		2,575		12,608		2,178,640		2,193,823
Other real estate secured		—		—		—		—		212		517,744		517,956
Commercial and industrial loans		759		1,233		12		2,004		33,338		1,535,003		1,570,345
Consumer loans		2,141		255		242		2,638		135		169,145		171,918
State and other political subdivision loans		350		39		—		389		—		952,094		952,483
Other loans		18		4		—		22		155		500,330		500,507
Total	$	12,390	$	3,872	$	2,171	$	18,433	$	67,575	$	8,483,959	$	8,569,967

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

Impaired Financing Receivables

At December 31, 2018 and 2017, individually evaluated for impaired LHFI consisted of the following ($ in thousands):

	December 31, 2018
	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	$	1,794	$	1,528	$	24	$	1,552	$	—	$	1,738
Secured by 1-4 family residential properties		4,951		95		3,868		3,963		39		4,328
Secured by nonfarm, nonresidential properties		8,282		6,728		2,748		9,476		413		8,898
Other real estate secured		—		—		248		248		—		124
Commercial and industrial loans		37,786		12,893		17,824		30,717		4,334		26,725
Consumer loans		2		—		2		2		—		6
State and other political subdivision loans		8,688		4,079		4,516		8,595		516		4,297
Other loans		1,418		230		1,052		1,282		1,052		804
Total	$	62,921	$	25,553	$	30,282	$	55,835	$	6,354	$	46,920

	December 31, 2017
	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	$	1,704	$	1,206	$	199	$	1,405	$	75	$	1,923
Secured by 1-4 family residential properties		6,031		160		4,576		4,736		1,331		4,693
Secured by nonfarm, nonresidential properties		15,205		10,027		396		10,423		165		8,321
Other real estate secured		—		—		—		—		—		—
Commercial and industrial loans		36,874		31,281		518		31,799		131		22,734
Consumer loans		17		—		17		17		—		9
State and other political subdivision loans		—		—		—		—		—		—
Other loans		556		—		556		556		41		325
Total	$	60,387	$	42,674	$	6,262	$	48,936	$	1,743	$	38,005

Impact of Modifications Classified as Troubled Debt Restructurings

The following tables illustrate the impact of modifications classified as TDRs for the periods presented ($ in thousands):

	Year Ended December 31, 2018
Modifications Classified as TDRs	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Loans secured by real estate:
Construction, land development and other land		1	$	22	$	22
Secured by 1-4 family residential properties		23		2,102		1,660
Secured by nonfarm, nonresidential properties		2		1,780		1,780
Commercial and industrial loans		23		26,970		25,862
Consumer loans		3		4		4
Total		52	$	30,878	$	29,328

	Year Ended December 31, 2017
Modifications Classified as TDRs	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Loans secured by real estate:
Construction, land development and other land		1	$	341	$	325
Secured by 1-4 family residential properties		22		1,478		1,487
Secured by nonfarm, nonresidential properties		1		426		426
Commercial and industrial loans		8		12,836		12,836
Other loans		1		556		556
Total		33	$	15,637	$	15,630

	Year Ended December 31, 2016
Modifications Classified as TDRs	Number of Contracts		Pre-Modification Outstanding Recorded Investment		Post-Modification Outstanding Recorded Investment
Loans secured by real estate:
Construction, land development and other land		1	$	14	$	14
Secured by 1-4 family residential properties		18		1,386		1,391
Secured by nonfarm, nonresidential properties		2		717		717
Commercial and industrial loans		5		10,043		9,982
Consumer loans		1		2		2
Total		27	$	12,162	$	12,106

Troubled Debt Restructuring Subsequently Defaulted

The table below includes the balances at default for TDRs modified within the last 12 months for which there was a payment default during the period ($ in thousands):

	Years Ended December 31,
	2018				2017				2016
TDRs that Subsequently Defaulted	Number of Contracts		Recorded Investment		Number of Contracts		Recorded Investment		Number of Contracts		Recorded Investment
Construction, land development and other land loans		1	$	22		—	$	—		—	$	—
Loans secured by 1-4 family residential properties		5		734		4		78		1		—
Commercial and industrial loans		6		15,178		3		9,526		2		2,154
Consumer loans		1		1		—		—		—		—
Total		13	$	15,935		7	$	9,604		3	$	2,154

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

The following tables detail LHFI classified as TDRs by loan type at December 31, 2018, 2017 and 2016 ($ in thousands):

	December 31, 2018
	Accruing		Nonaccrual		Total
Loans secured by real estate:
Construction, land development and other land	$	—	$	24	$	24
Secured by 1-4 family residential properties		743		3,125		3,868
Secured by nonfarm, nonresidential properties		1,734		395		2,129
Commercial and industrial loans		9,007		12,620		21,627
Consumer loans		—		2		2
Other loans		—		540		540
Total TDRs	$	11,484	$	16,706	$	28,190

	December 31, 2017
	Accruing		Nonaccrual		Total
Loans secured by real estate:
Construction, land development and other land	$	—	$	199	$	199
Secured by 1-4 family residential properties		51		3,140		3,191
Secured by nonfarm, nonresidential properties		—		421		421
Commercial and industrial loans		53		19,434		19,487
Consumer loans		—		17		17
Other loans		556		—		556
Total TDRs	$	660	$	23,211	$	23,871

	December 31, 2016
	Accruing		Nonaccrual		Total
Loans secured by real estate:
Construction, land development and other land	$	—	$	405	$	405
Secured by 1-4 family residential properties		—		2,873		2,873
Secured by nonfarm, nonresidential properties		—		881		881
Commercial and industrial loans		53		10,266		10,319
Consumer loans		—		2		2
Total TDRs	$	53	$	14,427	$	14,480

Carrying Amount of Loans by Credit Quality Indicator

The tables below present LHFI by loan type and credit quality indicator at December 31, 2018 and 2017 ($ in thousands):

	December 31, 2018
	Commercial LHFI
	Pass -		Special Mention -		Substandard -		Doubtful -
	Categories1-6		Category 7		Category 8		Category 9		Subtotal
Loans secured by real estate:
Construction, land development and other land	$	982,305	$	75	$	5,645	$	203	$	988,228
Secured by 1-4 family residential properties		123,191		216		2,731		229		126,367
Secured by nonfarm, nonresidential properties		2,182,106		1,250		37,025		473		2,220,854
Other real estate secured		537,958		323		4,610		—		542,891
Commercial and industrial loans		1,468,262		12,431		55,943		2,079		1,538,715
Consumer loans		—		—		—		—		—
State and other political subdivision loans		958,214		5,250		10,354		—		973,818
Other loans		460,568		17,842		10,323		49		488,782
Total	$	6,712,604	$	37,387	$	126,631	$	3,033	$	6,879,655

	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	$	67,913	$	124	$	—	$	336	$	68,373	$	1,056,601
Secured by 1-4 family residential properties		1,675,455		9,872		569		13,229		1,699,125		1,825,492
Secured by nonfarm, nonresidential properties		60		—		—		—		60		2,220,914
Other real estate secured		929		—		—		—		929		543,820
Commercial and industrial loans		—		—		—		—		—		1,538,715
Consumer loans		179,802		2,153		288		205		182,448		182,448
State and other political subdivision loans		—		—		—		—		—		973,818
Other loans		5,278		—		—		—		5,278		494,060
Total	$	1,929,437	$	12,149	$	857	$	13,770	$	1,956,213	$	8,835,868

	December 31, 2017
	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	$	922,563	$	316	$	3,780	$	222	$	926,881
Secured by 1-4 family residential properties		127,405		134		4,948		76		132,563
Secured by nonfarm, nonresidential properties		2,135,749		6,684		50,785		527		2,193,745
Other real estate secured		517,036		—		517		—		517,553
Commercial and industrial loans		1,437,590		28,780		103,089		886		1,570,345
Consumer loans		—		—		—		—		—
State and other political subdivision loans		936,420		5,850		10,213		—		952,483
Other loans		478,083		—		16,390		108		494,581
Total	$	6,554,846	$	41,764	$	189,722	$	1,819	$	6,788,151

	Consumer LHFI
			Past Due		Past Due
	Current		30-89 Days		90Days or More		Nonaccrual		Subtotal		Total LHFI
Loans secured by real estate:
Construction, land development and other land	$	60,240	$	342	$	—	$	161	$	60,743	$	987,624
Secured by 1-4 family residential properties		1,516,691		7,874		1,809		16,374		1,542,748		1,675,311
Secured by nonfarm, nonresidential properties		78		—		—		—		78		2,193,823
Other real estate secured		403		—		—		—		403		517,956
Commercial and industrial loans		—		—		—		—		—		1,570,345
Consumer loans		169,146		2,396		242		134		171,918		171,918
State and other political subdivision loans		—		—		—		—		—		952,483
Other loans		5,926		—		—		—		5,926		500,507
Total	$	1,752,484	$	10,612	$	2,051	$	16,669	$	1,781,816	$	8,569,967

Change in Allowance for Loan Losses

The following tables detail the balance in the allowance for loan losses, LHFI allocated to each loan type segmented by the impairment evaluation methodology used at December 31, 2018 and 2017 ($ in thousands):

	December 31, 2018
	Individually		Collectively		Total
Loans secured by real estate:
Construction, land development and other land	$	—	$	7,390	$	7,390
Secured by 1-4 family residential properties		39		8,602		8,641
Secured by nonfarm, nonresidential properties		413		21,963		22,376
Other real estate secured		—		3,450		3,450
Commercial and industrial loans		4,334		23,025		27,359
Consumer loans		—		2,890		2,890
State and other political subdivision loans		516		474		990
Other loans		1,052		5,142		6,194
Total allowance for loan losses, LHFI	$	6,354	$	72,936	$	79,290

	December 31, 2017
	Individually		Collectively		Total
Loans secured by real estate:
Construction, land development and other land	$	75	$	7,790	$	7,865
Secured by 1-4 family residential properties		1,331		9,543		10,874
Secured by nonfarm, nonresidential properties		165		23,263		23,428
Other real estate secured		—		2,790		2,790
Commercial and industrial loans		131		22,720		22,851
Consumer loans		—		3,470		3,470
State and other political subdivision loans		—		789		789
Other loans		41		4,625		4,666
Total allowance for loan losses, LHFI	$	1,743	$	74,990	$	76,733

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

	Years Ended December 31,
	2018			2017			2016
Balance at beginning of period	$	76,733		$	71,265		$	67,619
Transfers (1)		1,554			—			—
Loans charged-off		(29,489	)		(21,147	)		(18,930	)
Recoveries		12,499			11,521			11,619
Net (charge-offs) recoveries		(16,990	)		(9,626	)		(7,311	)
Provision for loan losses, LHFI		17,993			15,094			10,957
Balance at end of period	$	79,290		$	76,733		$	71,265

(1) The allowance for loan losses balance related to the remaining loans acquired in the Heritage acquisition on April 15, 2011, the Bay Bank merger on March 16, 2012 and the Reliance merger on April 7, 2017, which were transferred from acquired impaired loans to LHFI during 2018.

The following tables detail changes in the allowance for loan losses, LHFI by loan type for the years ended December 31, 2018 and 2017, respectively ($ in thousands):

	2018
	Balance									Provision for			Balance
	January 1,		Transfers (1)		Charge-offs			Recoveries		Loan Losses			December 31,
Loans secured by real estate:
Construction, land development and other land	$	7,865	$	584	$	(123	)	$	1,124	$	(2,060	)	$	7,390
Secured by 1-4 family residential properties		10,874		182		(1,629	)		646		(1,432	)		8,641
Secured by nonfarm, nonresidential properties		23,428		446		(1,184	)		133		(447	)		22,376
Other real estate secured		2,790		291		—			23		346			3,450
Commercial and industrial loans		22,851		46		(18,823	)		5,410		17,875			27,359
Consumer loans		3,470		5		(2,089	)		2,019		(515	)		2,890
State and other political subdivision loans		789		—		—			—		201			990
Other loans		4,666		—		(5,641	)		3,144		4,025			6,194
Total allowance for loan losses, LHFI	$	76,733	$	1,554	$	(29,489	)	$	12,499	$	17,993		$	79,290

(1) The allowance for loan losses balance related to the remaining loans acquired in the Heritage acquisition on April 15, 2011, the Bay Bank merger on March 16, 2012 and the Reliance merger on April 7, 2017, which were transferred from acquired impaired loans to LHFI during 2018.

	2017
	Balance							Provision for			Balance
	January 1,		Charge-offs			Recoveries		Loan Losses			December 31,
Loans secured by real estate:
Construction, land development and other land	$	9,085	$	(79	)	$	1,428	$	(2,569	)	$	7,865
Secured by 1-4 family residential properties		10,347		(950	)		1,833		(356	)		10,874
Secured by nonfarm, nonresidential properties		20,967		(4,231	)		396		6,296			23,428
Other real estate secured		2,263		(5	)		69		463			2,790
Commercial and industrial loans		22,011		(8,286	)		2,578		6,548			22,851
Consumer loans		3,241		(2,546	)		1,938		837			3,470
State and other political subdivision loans		859		—			—		(70	)		789
Other loans		2,492		(5,050	)		3,279		3,945			4,666
Total allowance for loan losses, LHFI	$	71,265	$	(21,147	)	$	11,521	$	15,094		$	76,733

Summary Of LHFI Evaluated For Impairment

The following tables detail LHFI by loan type related to each balance in the allowance for loan losses, LHFI segregated by the impairment evaluation methodology used at December 31, 2018 and 2017 ($ in thousands):

	December 31, 2018
	LHFI Evaluated for Impairment
	Individually		Collectively		Total
Loans secured by real estate:
Construction, land development and other land	$	1,552	$	1,055,049	$	1,056,601
Secured by 1-4 family residential properties		3,963		1,821,529		1,825,492
Secured by nonfarm, nonresidential properties		9,476		2,211,438		2,220,914
Other real estate secured		248		543,572		543,820
Commercial and industrial loans		30,717		1,507,998		1,538,715
Consumer loans		2		182,446		182,448
State and other political subdivision loans		8,595		965,223		973,818
Other loans		1,282		492,778		494,060
Total	$	55,835	$	8,780,033	$	8,835,868

	December 31, 2017
	LHFI Evaluated for Impairment
	Individually		Collectively		Total
Loans secured by real estate:
Construction, land development and other land	$	1,405	$	986,219	$	987,624
Secured by 1-4 family residential properties		4,736		1,670,575		1,675,311
Secured by nonfarm, nonresidential properties		10,423		2,183,400		2,193,823
Other real estate secured		—		517,956		517,956
Commercial and industrial loans		31,799		1,538,546		1,570,345
Consumer loans		17		171,901		171,918
State and other political subdivision loans		—		952,483		952,483
Other loans		556		499,951		500,507
Total	$	48,936	$	8,521,031	$	8,569,967