Acquired Loans (Tables)

12 Months Ended

Dec. 31, 2015

Certain Loans Acquired In Transfer Not Accounted For As Debt Securities [Abstract]

Schedule of Covered and Noncovered Acquired Loans by Type

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

	December 31, 2015				December 31, 2014
	Noncovered		Covered		Noncovered		Covered
Loans secured by real estate:
Construction, land development and other land	$	41,623	$	1,021	$	58,309	$	1,197
Secured by 1-4 family residential properties		86,950		10,058		116,920		13,180
Secured by nonfarm, nonresidential properties		135,626		4,638		202,323		7,672
Other real estate secured		23,860		1,286		27,813		1,096
Commercial and industrial loans		55,075		624		88,256		277
Consumer loans		5,641		—		9,772		—
Other loans		23,936		73		22,390		204
Acquired loans		372,711		17,700		525,783		23,626
Less allowance for loan losses, acquired loans		11,259		733		10,541		1,518
Net acquired loans	$	361,452	$	16,967	$	515,242	$	22,108

Changes in the Carrying Value of Acquired Loans

The following table presents changes in the net carrying value of the acquired loans for the periods presented ($ in thousands):

	Noncovered						Covered
	Acquired			Acquired			Acquired			Acquired
	Impaired			Not ASC 310-30 (1)			Impaired			Not ASC 310-30 (1)
Carrying value, net at January 1, 2014	$	639,656		$	123,085		$	30,166		$	1,663
Accretion to interest income		44,575			1,706			4,052			1
Payments received, net		(216,378	)		(42,284	)		(12,396	)		(30	)
Other (2)		(29,724	)		(2,102	)		(1,733	)		(484	)
Less change in allowance for loan    losses, acquired loans		(3,978	)		686			415			454
Carrying value, net at December 31, 2014		434,151			81,091			20,504			1,604
Accretion to interest income		28,193			479			2,308			—
Payments received, net		(164,671	)		(15,484	)		(8,592	)		(33	)
Other (2)		(1,589	)		—			391			—
Less change in allowance for loan    losses, acquired loans		(718	)		—			785			—
Carrying value, net at December 31, 2015	$	295,366		$	66,086		$	15,396		$	1,571

(1) "Acquired Not ASC 310-30" loans consist of revolving credit agreements and commercial leases that are not in scope for FASB ASC Topic 310-30.

(2) Includes miscellaneous timing adjustments as well as acquired loan terminations through foreclosure, charge-off, pool recovery and other terminations.

Changes in Accretable Yield of Acquired Loans

The following table presents changes in the accretable yield for the periods presented ($ in thousands):

	Years Ended December 31,
	2015			2014
Accretable yield at beginning of period	$	(77,149	)	$	(109,006	)
Accretion to interest income		30,501			48,627
Disposals		10,013			16,383
Reclassification from nonaccretable difference (1)		(16,037	)		(33,153	)
Accretable yield at end of period	$	(52,672	)	$	(77,149	)

(1) Reclassifications from nonaccretable difference are due to lower loss expectations and improvements in expected cashflows.

Components of the Allowance for Loan Losses on Acquired Loans

The following tables present the components of the allowance for loan losses on acquired impaired loans for the periods presented ($ in thousands):

	Noncovered			Covered			Total
Balance at January 1, 2015	$	10,541		$	1,518		$	12,059
Provision for loan losses, acquired loans		3,854			(429	)		3,425
Loans charged-off		(6,722	)		(478	)		(7,200	)
Recoveries		3,586			122			3,708
Net charge-offs		(3,136	)		(356	)		(3,492	)
Balance at December 31, 2015	$	11,259		$	733		$	11,992

	Noncovered			Covered			Total
Balance at January 1, 2014	$	7,249		$	2,387		$	9,636
Provision for loan losses, acquired loans		7,149			(978	)		6,171
Loans charged-off		(6,274	)		127			(6,147	)
Recoveries		2,417			(18	)		2,399
Net (charge-offs) recoveries		(3,857	)		109			(3,748	)
Balance at December 31, 2014	$	10,541		$	1,518		$	12,059

	Noncovered			Covered			Total
Balance at January 1, 2013	$	1,885		$	4,190		$	6,075
Provision for loan losses, acquired loans		7,367			(1,328	)		6,039
Loans charged-off		(3,634	)		(460	)		(4,094	)
Recoveries		1,631			(15	)		1,616
Net charge-offs		(2,003	)		(475	)		(2,478	)
Balance at December 31, 2013	$	7,249		$	2,387		$	9,636

Carrying Amount of Acquired Loans by Credit Quality Indicator

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

	December 31, 2015
	Commercial Loans
	Pass -		Special Mention -		Substandard -		Doubtful -
	Categories 1-6		Category 7		Category 8		Category 9		Subtotal
Noncovered Loans:
Loans secured by real estate:
Construction, land development and other land	$	15,839	$	253	$	19,252	$	3,874	$	39,218
Secured by 1-4 family residential properties		22,272		27		5,033		331		27,663
Secured by nonfarm, nonresidential properties		106,924		2,301		25,690		711		135,626
Other real estate secured		19,346		—		3,777		731		23,854
Commercial and industrial loans		36,670		844		15,526		2,035		55,075
Consumer loans		—		—		—		—		—
Other loans		17,150		—		6,624		162		23,936
Total noncovered loans		218,201		3,425		75,902		7,844		305,372
Covered Loans: (1)
Loans secured by real estate:
Construction, land development and other land		235		—		588		119		942
Secured by 1-4 family residential properties		869		107		534		—		1,510
Secured by nonfarm, nonresidential properties		4,060		35		472		—		4,567
Other real estate secured		730		—		111		—		841
Commercial and industrial loans		560		22		42		—		624
Other loans		70		—		—		—		70
Total covered loans		6,524		164		1,747		119		8,554
Total acquired loans	$	224,725	$	3,589	$	77,649	$	7,963	$	313,926

	Consumer Loans
			Past Due		Past Due						Total
	Current		30-89 Days		90 Days or More		Nonaccrual (2)		Subtotal		Acquired Loans
Noncovered Loans:
Loans secured by real estate:
Construction, land development and other land	$	2,353	$	24	$	28	$	—	$	2,405	$	41,623
Secured by 1-4 family residential properties		56,371		1,841		930		145		59,287		86,950
Secured by nonfarm, nonresidential properties		—		—		—		—		—		135,626
Other real estate secured		6		—		—		—		6		23,860
Commercial and industrial loans		—		—		—		—		—		55,075
Consumer loans		5,498		142		1		—		5,641		5,641
Other loans		—		—		—		—		—		23,936
Total noncovered loans		64,228		2,007		959		145		67,339		372,711
Covered Loans: (1)
Loans secured by real estate:
Construction, land development and other land		70		9		—		—		79		1,021
Secured by 1-4 family residential properties		7,472		314		762		—		8,548		10,058
Secured by nonfarm, nonresidential properties		71		—		—		—		71		4,638
Other real estate secured		445		—		—		—		445		1,286
Commercial and industrial loans		—		—		—		—		—		624
Other loans		3		—		—		—		3		73
Total covered loans		8,061		323		762		—		9,146		17,700
Total acquired loans	$	72,289	$	2,330	$	1,721	$	145	$	76,485	$	390,411

(1) Total dollar balances are presented in this table; however, these loans are covered by the loss-share agreement with the FDIC. TNB is at risk for only 20% of the losses incurred on these loans.

(2) Acquired loans not accounted for under FASB ASC Topic 310-30.

	December 31, 2014
	Commercial Loans
	Pass -		Special Mention -		Substandard -		Doubtful -
	Categories 1-6		Category 7		Category 8		Category 9		Subtotal
Noncovered Loans:
Loans secured by real estate:
Construction, land development and other land	$	20,224	$	280	$	28,339	$	5,821	$	54,664
Secured by 1-4 family residential properties		30,796		760		8,466		388		40,410
Secured by nonfarm, nonresidential properties		157,753		3,452		39,408		1,710		202,323
Other real estate secured		22,754		92		4,864		95		27,805
Commercial and industrial loans		64,720		17		19,706		3,813		88,256
Consumer loans		—		—		—		—		—
Other loans		19,706		45		2,617		—		22,368
Total noncovered loans		315,953		4,646		103,400		11,827		435,826
Covered Loans: (1)
Loans secured by real estate:
Construction, land development and other land		—		—		955		102		1,057
Secured by 1-4 family residential properties		194		235		1,045		—		1,474
Secured by nonfarm, nonresidential properties		4,419		88		2,879		—		7,386
Other real estate secured		—		108		426		2		536
Commercial and industrial loans		145		24		108		—		277
Other loans		204		—		—		—		204
Total covered loans		4,962		455		5,413		104		10,934
Total acquired loans	$	320,915	$	5,101	$	108,813	$	11,931	$	446,760

	Consumer Loans
			Past Due		Past Due						Total
	Current		30-89 Days		90 Days or More		Nonaccrual (2)		Subtotal		Acquired Loans
Noncovered Loans:
Loans secured by real estate:
Construction, land development and other land	$	3,338	$	25	$	282	$	—	$	3,645	$	58,309
Secured by 1-4 family residential properties		71,316		2,335		2,742		117		76,510		116,920
Secured by nonfarm, nonresidential properties		—		—		—		—		—		202,323
Other real estate secured		8		—		—		—		8		27,813
Commercial and industrial loans		—		—		—		—		—		88,256
Consumer loans		9,634		114		24		—		9,772		9,772
Other loans		22		—		—		—		22		22,390
Total noncovered loans		84,318		2,474		3,048		117		89,957		525,783
Covered Loans: (1)
Loans secured by real estate:
Construction, land development and other land		140		—		—		—		140		1,197
Secured by 1-4 family residential properties		10,925		473		308		—		11,706		13,180
Secured by nonfarm, nonresidential properties		286		—		—		—		286		7,672
Other real estate secured		525		—		35		—		560		1,096
Commercial and industrial loans		—		—		—		—		—		277
Other loans		—		—		—		—		—		204
Total covered loans		11,876		473		343		—		12,692		23,626
Total acquired loans	$	96,194	$	2,947	$	3,391	$	117	$	102,649	$	549,409

(1) Total dollar balances are presented in this table; however, these loans are covered by the loss-share agreement with the FDIC. TNB is at risk for only 20% of the losses incurred on these loans.

(2) Acquired loans not accounted for under FASB ASC Topic 310-30.

Aging Analysis of Past Due and Nonaccrual Acquired Loans, by Class

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

	December 31, 2015
	Past Due
	30-59 Days		60-89 Days		90 Days or More (1)		Total		Nonaccrual(2)		Current Loans		Total Acquired Loans
Noncovered loans:
Loans secured by real estate:
Construction, land development and other    land	$	24	$	114	$	13,021	$	13,159	$	—	$	28,464	$	41,623
Secured by 1-4 family residential properties		1,544		636		1,220		3,400		387		83,163		86,950
Secured by nonfarm, nonresidential    properties		192		195		5,913		6,300		144		129,182		135,626
Other real estate secured		9		—		737		746		—		23,114		23,860
Commercial and industrial loans		82		4		184		270		429		54,376		55,075
Consumer loans		119		23		1		143		—		5,498		5,641
Other loans		85		16		—		101		—		23,835		23,936
Total noncovered loans		2,055		988		21,076		24,119		960		347,632		372,711
Covered loans:
Loans secured by real estate:
Construction, land development and other    land		9		—		119		128		—		893		1,021
Secured by 1-4 family residential properties		428		132		978		1,538		—		8,520		10,058
Secured by nonfarm, nonresidential    properties		167		478		—		645		—		3,993		4,638
Other real estate secured		—		—		—		—		—		1,286		1,286
Commercial and industrial loans		—		—		—		—		51		573		624
Other loans		—		—		—		—		—		73		73
Total covered loans		604		610		1,097		2,311		51		15,338		17,700
Total acquired loans	$	2,659	$	1,598	$	22,173	$	26,430	$	1,011	$	362,970	$	390,411

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

(2) Acquired loans not accounted for under FASB ASC Topic 310-30.

	December 31, 2014
	Past Due
	30-59 Days		60-89 Days		90 Days or More (1)		Total		Nonaccrual (2)		Current Loans		Total Acquired Loans
Noncovered loans:
Loans secured by real estate:
Construction, land development and other    land	$	246	$	7	$	21,985	$	22,238	$	194	$	35,877	$	58,309
Secured by 1-4 family residential properties		2,576		981		5,162		8,719		422		107,779		116,920
Secured by nonfarm, nonresidential    properties		89		865		13,275		14,229		—		188,094		202,323
Other real estate secured		—		—		604		604		—		27,209		27,813
Commercial and industrial loans		334		128		1,099		1,561		461		86,234		88,256
Consumer loans		86		29		24		139		—		9,633		9,772
Other loans		—		—		—		—		—		22,390		22,390
Total noncovered loans		3,331		2,010		42,149		47,490		1,077		477,216		525,783
Covered loans:
Loans secured by real estate:
Construction, land development and other    land		—		—		376		376		—		821		1,197
Secured by 1-4 family residential properties		253		296		477		1,026		—		12,154		13,180
Secured by nonfarm, nonresidential    properties		239		488		—		727		—		6,945		7,672
Other real estate secured		—		—		368		368		—		728		1,096
Commercial and industrial loans		—		—		42		42		67		168		277
Other loans		—		—		—		—		—		204		204
Total covered loans		492		784		1,263		2,539		67		21,020		23,626
Total acquired loans	$	3,823	$	2,794	$	43,412	$	50,029	$	1,144	$	498,236	$	549,409

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

(2) Acquired loans not accounted for under FASB ASC Topic 310-30.