Acquired Loans Part 5 (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012
Acquired Loans, Aging [Abstract]
Current	$ 768,568		$ 111,779
Past Due 30-89 Days	32,951		10,608
Past Due Greater Than 90 Days	70,613	[1]	10,074	[1]
Nonaccrual	2,993	[2]	1,103	[2]
Total acquired loans	875,125		133,564
Percentage of risk of losses incurred on acquired covered loans (in hundredths)	20.00%		20.00%
Covered [Member]
Acquired Loans, Aging [Abstract]
Current	30,334		41,377
Past Due 30-89 Days	3,350		6,213
Past Due Greater Than 90 Days	3,030	[1]	3,724	[1]
Nonaccrual	536	[2]	727	[2]
Total acquired loans	37,250		52,041
Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	738,234		70,402
Past Due 30-89 Days	29,601		4,395
Past Due Greater Than 90 Days	67,583	[1]	6,350	[1]
Nonaccrual	2,457	[2]	376	[2]
Total acquired loans	837,875		81,523
Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	1,396		2,993
Past Due 30-89 Days	290		240
Past Due Greater Than 90 Days	454	[1]	246	[1]
Nonaccrual	445	[2]	445	[2]
Total acquired loans	2,585		3,924
Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	63,939		6,434
Past Due 30-89 Days	4,801		0
Past Due Greater Than 90 Days	37,844	[1]	3,622	[1]
Nonaccrual	71	[2]	0	[2]
Total acquired loans	106,655		10,056
Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	15,054		20,168
Past Due 30-89 Days	1,338		1,705
Past Due Greater Than 90 Days	1,355	[1]	1,883	[1]
Nonaccrual	38	[2]	234	[2]
Total acquired loans	17,785		23,990
Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	152,603		17,311
Past Due 30-89 Days	6,273		458
Past Due Greater Than 90 Days	8,825	[1]	1,392	[1]
Nonaccrual	872	[2]	243	[2]
Total acquired loans	168,573		19,404
Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	10,705		12,915
Past Due 30-89 Days	873		3,953
Past Due Greater Than 90 Days	542	[1]	1,539	[1]
Nonaccrual	0	[2]	0	[2]
Total acquired loans	12,120		18,407
Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	279,235		40,773
Past Due 30-89 Days	8,053		3,526
Past Due Greater Than 90 Days	14,105	[1]	1,217	[1]
Nonaccrual	293	[2]	133	[2]
Total acquired loans	301,686		45,649
Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	2,384		3,285
Past Due 30-89 Days	431		221
Past Due Greater Than 90 Days	2	[1]	52	[1]
Nonaccrual	0	[2]	9	[2]
Total acquired loans	2,817		3,567
Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	32,589		595
Past Due 30-89 Days	344		30
Past Due Greater Than 90 Days	1,848	[1]	44	[1]
Nonaccrual	270	[2]	0	[2]
Total acquired loans	35,051		669
Commercial and Industrial Loans [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	355		610
Past Due 30-89 Days	21		94
Past Due Greater Than 90 Days	49	[1]	4	[1]
Nonaccrual	53	[2]	39	[2]
Total acquired loans	478		747
Commercial and Industrial Loans [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	171,323		2,795
Past Due 30-89 Days	9,531		217
Past Due Greater Than 90 Days	4,844	[1]	23	[1]
Nonaccrual	951	[2]	0	[2]
Total acquired loans	186,649		3,035
Consumer Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	151		177
Past Due 30-89 Days	0		0
Past Due Greater Than 90 Days	0	[1]	0	[1]
Nonaccrual	0	[2]	0	[2]
Total acquired loans	151		177
Consumer Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	21,634		2,394
Past Due 30-89 Days	508		164
Past Due Greater Than 90 Days	109	[1]	52	[1]
Nonaccrual	0	[2]	0	[2]
Total acquired loans	22,251		2,610
Other Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	289		1,229
Past Due 30-89 Days	397		0
Past Due Greater Than 90 Days	628	[1]	0	[1]
Nonaccrual	0	[2]	0	[2]
Total acquired loans	1,314		1,229
Other Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	16,911		100
Past Due 30-89 Days	91		0
Past Due Greater Than 90 Days	8	[1]	0	[1]
Nonaccrual	0	[2]	0	[2]
Total acquired loans	17,010		100
Commercial Portfolio Segment [Member] | Pass [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	437,179		47,308
Commercial Portfolio Segment [Member] | Pass [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	8,695	[3]	11,096	[3]
Commercial Portfolio Segment [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	428,484		36,212
Commercial Portfolio Segment [Member] | Special Mention [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	71,486		6,460
Commercial Portfolio Segment [Member] | Special Mention [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	753	[3]	2,656	[3]
Commercial Portfolio Segment [Member] | Special Mention [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	70,733		3,804
Commercial Portfolio Segment [Member] | Substandard [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	188,885		43,866
Commercial Portfolio Segment [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	10,580	[3]	16,051	[3]
Commercial Portfolio Segment [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	178,305		27,815
Commercial Portfolio Segment [Member] | Doubtful [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	22,175		3,937
Commercial Portfolio Segment [Member] | Doubtful [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	1,378	[3]	2,162	[3]
Commercial Portfolio Segment [Member] | Doubtful [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	20,797		1,775
Commercial Portfolio Segment [Member] | Commercial Subtotal [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	719,725		101,571
Commercial Portfolio Segment [Member] | Commercial Subtotal [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	21,406	[3]	31,965	[3]
Commercial Portfolio Segment [Member] | Commercial Subtotal [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	698,319		69,606
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Pass [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	204	[3]	1,341	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	33,404		3,259
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Special Mention [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0	[3]	18	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Special Mention [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	11,028		119
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	1,354	[3]	1,489	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	46,329		4,915
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Doubtful [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	748	[3]	744	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Doubtful [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	8,170		921
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Commercial Subtotal [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	2,306	[3]	3,592	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Commercial Subtotal [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	98,931		9,214
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Pass [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	1,670	[3]	3,128	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	25,708		7,325
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Special Mention [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	469	[3]	810	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Special Mention [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	15,711		0
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	1,926	[3]	2,940	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	16,763		3,708
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Doubtful [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0	[3]	85	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Doubtful [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	856		23
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Commercial Subtotal [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	4,065	[3]	6,963	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Commercial Subtotal [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	59,038		11,056
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Pass [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	5,309	[3]	5,857	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	192,453		22,453
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Special Mention [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	113	[3]	1,052	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Special Mention [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	22,235		3,596
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	6,031	[3]	9,839	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	80,844		18,682
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Doubtful [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0	[3]	798	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Doubtful [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	6,154		831
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Commercial Subtotal [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	11,453	[3]	17,546	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Commercial Subtotal [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	301,686		45,562
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Pass [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	909	[3]	443	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	23,298		236
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Special Mention [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	142	[3]	318	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Special Mention [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	6,469		0
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	737	[3]	1,231	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	5,181		417
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Doubtful [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	2	[3]	0	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Doubtful [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0		0
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Commercial Subtotal [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	1,790	[3]	1,992	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Commercial Subtotal [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	34,948		653
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Pass [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	314	[3]	82	[3]
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	138,428		2,853
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Special Mention [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	29	[3]	458	[3]
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Special Mention [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	13,677		89
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	135	[3]	207	[3]
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	28,927		93
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Doubtful [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0	[3]	0	[3]
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Doubtful [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	5,617		0
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Commercial Subtotal [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	478	[3]	747	[3]
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Commercial Subtotal [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	186,649		3,035
Commercial Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Pass [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0	[3]	0	[3]
Commercial Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	82		0
Commercial Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Special Mention [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0	[3]	0	[3]
Commercial Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Special Mention [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0		0
Commercial Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0	[3]	0	[3]
Commercial Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0		0
Commercial Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Doubtful [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0	[3]	0	[3]
Commercial Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Doubtful [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0		0
Commercial Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Commercial Subtotal [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0	[3]	0	[3]
Commercial Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Commercial Subtotal [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	82		0
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Pass [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	289	[3]	245	[3]
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	15,111		86
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Special Mention [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0	[3]	0	[3]
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Special Mention [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	1,613		0
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	397	[3]	345	[3]
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	261		0
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Doubtful [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	628	[3]	535	[3]
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Doubtful [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0		0
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Commercial Subtotal [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	1,314	[3]	1,125	[3]
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Commercial Subtotal [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	16,985		86
Consumer Portfolio Segment [Member]
Acquired Loans, Aging [Abstract]
Current	143,681		28,086
Past Due 30-89 Days	5,389		1,792
Past Due Greater Than 90 Days	6,149		2,009
Nonaccrual	181		106
Subtotal	155,400		31,993
Total acquired loans	875,125		133,564
Consumer Portfolio Segment [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	13,282	[3]	17,058	[3]
Past Due 30-89 Days	1,131	[3]	1,271	[3]
Past Due Greater Than 90 Days	1,393	[3]	1,702	[3]
Nonaccrual	38	[3]	45	[3]
Subtotal	15,844	[3]	20,076	[3]
Total acquired loans	37,250	[3]	52,041	[3]
Consumer Portfolio Segment [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	130,399		11,028
Past Due 30-89 Days	4,258		521
Past Due Greater Than 90 Days	4,756		307
Nonaccrual	143		61
Subtotal	139,556		11,917
Total acquired loans	837,875		81,523
Consumer Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	251	[3]	306	[3]
Past Due 30-89 Days	28	[3]	26	[3]
Past Due Greater Than 90 Days	0	[3]	0	[3]
Nonaccrual	0	[3]	0	[3]
Subtotal	279	[3]	332	[3]
Total acquired loans	2,585	[3]	3,924	[3]
Consumer Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	6,810		802
Past Due 30-89 Days	179		0
Past Due Greater Than 90 Days	735		40
Nonaccrual	0		0
Subtotal	7,724		842
Total acquired loans	106,655		10,056
Consumer Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	11,480	[3]	14,311	[3]
Past Due 30-89 Days	979	[3]	1,028	[3]
Past Due Greater Than 90 Days	1,223	[3]	1,650	[3]
Nonaccrual	38	[3]	38	[3]
Subtotal	13,720	[3]	17,027	[3]
Total acquired loans	17,785	[3]	23,990	[3]
Consumer Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	101,895		7,715
Past Due 30-89 Days	3,585		357
Past Due Greater Than 90 Days	3,912		215
Nonaccrual	143		61
Subtotal	109,535		8,348
Total acquired loans	168,573		19,404
Consumer Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	497	[3]	692	[3]
Past Due 30-89 Days	0	[3]	169	[3]
Past Due Greater Than 90 Days	170	[3]	0	[3]
Nonaccrual	0	[3]	0	[3]
Subtotal	667	[3]	861	[3]
Total acquired loans	12,120	[3]	18,407	[3]
Consumer Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	0		87
Past Due 30-89 Days	0		0
Past Due Greater Than 90 Days	0		0
Nonaccrual	0		0
Subtotal	0		87
Total acquired loans	301,686		45,649
Consumer Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	903	[3]	1,468	[3]
Past Due 30-89 Days	124	[3]	48	[3]
Past Due Greater Than 90 Days	0	[3]	52	[3]
Nonaccrual	0	[3]	7	[3]
Subtotal	1,027	[3]	1,575	[3]
Total acquired loans	2,817	[3]	3,567	[3]
Consumer Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	103		16
Past Due 30-89 Days	0		0
Past Due Greater Than 90 Days	0		0
Nonaccrual	0		0
Subtotal	103		16
Total acquired loans	35,051		669
Consumer Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	0	[3]	0	[3]
Past Due 30-89 Days	0	[3]	0	[3]
Past Due Greater Than 90 Days	0	[3]	0	[3]
Nonaccrual	0	[3]	0	[3]
Subtotal	0	[3]	0	[3]
Total acquired loans	478	[3]	747	[3]
Consumer Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	0		0
Past Due 30-89 Days	0		0
Past Due Greater Than 90 Days	0		0
Nonaccrual	0		0
Subtotal	0		0
Total acquired loans	186,649		3,035
Consumer Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	151	[3]	177	[3]
Past Due 30-89 Days	0	[3]	0	[3]
Past Due Greater Than 90 Days	0	[3]	0	[3]
Nonaccrual	0	[3]	0	[3]
Subtotal	151	[3]	177	[3]
Total acquired loans	151	[3]	177	[3]
Consumer Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	21,566		2,394
Past Due 30-89 Days	494		164
Past Due Greater Than 90 Days	109		52
Nonaccrual	0		0
Subtotal	22,169		2,610
Total acquired loans	22,251		2,610
Consumer Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	0	[3]	104	[3]
Past Due 30-89 Days	0	[3]	0	[3]
Past Due Greater Than 90 Days	0	[3]	0	[3]
Nonaccrual	0	[3]	0	[3]
Subtotal	0	[3]	104	[3]
Total acquired loans	1,314	[3]	1,229	[3]
Consumer Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	25		14
Past Due 30-89 Days	0		0
Past Due Greater Than 90 Days	0		0
Nonaccrual	0		0
Subtotal	25		14
Total acquired loans	$ 17,010		$ 100

[1] Past due 90 days or more but still accruing interest.

[2] Acquired loans not accounted for under FASB ASC Topic 310-30.

[3] 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.