Acquired Loans Part 5 (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013		Dec. 31, 2012
Acquired Loans, Aging [Abstract]
Current	$ 83,990		$ 111,779
Past Due 30-89 Days	37,617		10,608
Past Due Greater Than 90 Days	83,469	[1]	10,074	[1]
Nonaccrual	2,197	[2]	1,103	[2]
Total acquired loans	963,273		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	34,443		41,377
Past Due 30-89 Days	3,304		6,213
Past Due Greater Than 90 Days	2,415	[1]	3,724	[1]
Nonaccrual	658	[2]	727	[2]
Total acquired loans	40,820		52,041
Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	805,547		70,402
Past Due 30-89 Days	34,313		4,395
Past Due Greater Than 90 Days	81,054	[1]	6,350	[1]
Nonaccrual	1,539	[2]	376	[2]
Total acquired loans	922,453		81,523
Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	2,529		2,993
Past Due 30-89 Days	260		240
Past Due Greater Than 90 Days	428	[1]	246	[1]
Nonaccrual	445	[2]	445	[2]
Total acquired loans	3,662		3,924
Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	74,516		6,434
Past Due 30-89 Days	8,418		0
Past Due Greater Than 90 Days	49,107	[1]	3,622	[1]
Nonaccrual	75	[2]	0	[2]
Total acquired loans	132,116		10,056
Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	16,192		20,168
Past Due 30-89 Days	1,194		1,705
Past Due Greater Than 90 Days	1,337	[1]	1,883	[1]
Nonaccrual	176	[2]	234	[2]
Total acquired loans	18,899		23,990
Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	166,320		17,311
Past Due 30-89 Days	7,902		458
Past Due Greater Than 90 Days	10,223	[1]	1,392	[1]
Nonaccrual	483	[2]	243	[2]
Total acquired loans	184,928		19,404
Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	12,069		12,915
Past Due 30-89 Days	688		3,953
Past Due Greater Than 90 Days	584	[1]	1,539	[1]
Nonaccrual	0	[2]	0	[2]
Total acquired loans	13,341		18,407
Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	293,417		40,773
Past Due 30-89 Days	8,036		3,526
Past Due Greater Than 90 Days	16,857	[1]	1,217	[1]
Nonaccrual	293	[2]	133	[2]
Total acquired loans	318,603		45,649
Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	2,835		3,285
Past Due 30-89 Days	91		221
Past Due Greater Than 90 Days	1	[1]	52	[1]
Nonaccrual	2	[2]	9	[2]
Total acquired loans	2,929		3,567
Real Estate Secured Financing Receivable [Member] | Other Loans Secured by Real Estate [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	33,034		595
Past Due 30-89 Days	262		30
Past Due Greater Than 90 Days	1,326	[1]	44	[1]
Nonaccrual	247	[2]	0	[2]
Total acquired loans	34,869		669
Commercial and Industrial Loans [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	362		610
Past Due 30-89 Days	81		94
Past Due Greater Than 90 Days	65	[1]	4	[1]
Nonaccrual	35	[2]	39	[2]
Total acquired loans	543		747
Commercial and Industrial Loans [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	193,538		2,795
Past Due 30-89 Days	9,024		217
Past Due Greater Than 90 Days	3,335	[1]	23	[1]
Nonaccrual	441	[2]	0	[2]
Total acquired loans	206,338		3,035
Consumer Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	173		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	173		177
Consumer Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	26,622		2,394
Past Due 30-89 Days	599		164
Past Due Greater Than 90 Days	199	[1]	52	[1]
Nonaccrual	0	[2]	0	[2]
Total acquired loans	27,420		2,610
Other Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	283		1,229
Past Due 30-89 Days	990		0
Past Due Greater Than 90 Days	0	[1]	0	[1]
Nonaccrual	0	[2]	0	[2]
Total acquired loans	1,273		1,229
Other Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	18,100		100
Past Due 30-89 Days	72		0
Past Due Greater Than 90 Days	7	[1]	0	[1]
Nonaccrual	0	[2]	0	[2]
Total acquired loans	18,179		100
Commercial Portfolio Segment [Member] | Pass [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	470,158		47,308
Commercial Portfolio Segment [Member] | Pass [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	10,106	[3]	11,096	[3]
Commercial Portfolio Segment [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	460,052		36,212
Commercial Portfolio Segment [Member] | Special Mention [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	80,392		6,460
Commercial Portfolio Segment [Member] | Special Mention [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	911	[3]	2,656	[3]
Commercial Portfolio Segment [Member] | Special Mention [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	79,481		3,804
Commercial Portfolio Segment [Member] | Substandard [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	213,974		43,866
Commercial Portfolio Segment [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	11,778	[3]	16,051	[3]
Commercial Portfolio Segment [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	202,196		27,815
Commercial Portfolio Segment [Member] | Doubtful [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	23,828		3,937
Commercial Portfolio Segment [Member] | Doubtful [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	1,354	[3]	2,162	[3]
Commercial Portfolio Segment [Member] | Doubtful [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	22,474		1,775
Commercial Portfolio Segment [Member] | Commercial Subtotal [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	788,352		101,571
Commercial Portfolio Segment [Member] | Commercial Subtotal [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	24,149	[3]	31,965	[3]
Commercial Portfolio Segment [Member] | Commercial Subtotal [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	764,203		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	1,090	[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	35,336		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	17	[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	10,512		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	1,565	[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	66,297		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	744	[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	9,686		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	3,416	[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	121,831		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	1,892	[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	26,064		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	489	[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	19,222		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	2,223	[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	18,386		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	1,071		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	4,604	[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	64,743		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	5,532	[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	200,350		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	253	[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	24,534		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	6,885	[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	86,652		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	6,982		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	12,670	[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	318,518		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	965	[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	22,377		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	151	[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	7,624		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	553	[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	4,673		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	1	[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	1,670	[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	34,674		653
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Pass [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	367	[3]	82	[3]
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	159,783		2,853
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Special Mention [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	1	[3]	458	[3]
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Special Mention [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	15,895		89
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	175	[3]	207	[3]
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	25,925		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	4,735		0
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Commercial Subtotal [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	543	[3]	747	[3]
Commercial Portfolio Segment [Member] | Commercial and Industrial Loans [Member] | Commercial Subtotal [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	206,338		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	0		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	0		0
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Pass [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	260	[3]	245	[3]
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	16,142		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	1,694		0
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	377	[3]	345	[3]
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	263		0
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Doubtful [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	609	[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	1,246	[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	18,099		86
Consumer Portfolio Segment [Member]
Acquired Loans, Aging [Abstract]
Current	160,429		28,086
Past Due 30-89 Days	6,380		1,792
Past Due Greater Than 90 Days	7,596		2,009
Nonaccrual	516		106
Subtotal	174,921		31,993
Total acquired loans	963,273		133,564
Consumer Portfolio Segment [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	14,183	[3]	17,058	[3]
Past Due 30-89 Days	1,036	[3]	1,271	[3]
Past Due Greater Than 90 Days	1,412	[3]	1,702	[3]
Nonaccrual	40	[3]	45	[3]
Subtotal	16,671	[3]	20,076	[3]
Total acquired loans	40,820	[3]	52,041	[3]
Consumer Portfolio Segment [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	146,246		11,028
Past Due 30-89 Days	5,344		521
Past Due Greater Than 90 Days	6,184		307
Nonaccrual	476		61
Subtotal	158,250		11,917
Total acquired loans	922,453		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	246	[3]	306	[3]
Past Due 30-89 Days	0	[3]	26	[3]
Past Due Greater Than 90 Days	0	[3]	0	[3]
Nonaccrual	0	[3]	0	[3]
Subtotal	246	[3]	332	[3]
Total acquired loans	3,662	[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	8,803		802
Past Due 30-89 Days	305		0
Past Due Greater Than 90 Days	1,177		40
Nonaccrual	0		0
Subtotal	10,285		842
Total acquired loans	132,116		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	12,052	[3]	14,311	[3]
Past Due 30-89 Days	961	[3]	1,028	[3]
Past Due Greater Than 90 Days	1,244	[3]	1,650	[3]
Nonaccrual	38	[3]	38	[3]
Subtotal	14,295	[3]	17,027	[3]
Total acquired loans	18,899	[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	110,501		7,715
Past Due 30-89 Days	4,430		357
Past Due Greater Than 90 Days	4,778		215
Nonaccrual	476		61
Subtotal	120,185		8,348
Total acquired loans	184,928		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	503	[3]	692	[3]
Past Due 30-89 Days	0	[3]	169	[3]
Past Due Greater Than 90 Days	168	[3]	0	[3]
Nonaccrual	0	[3]	0	[3]
Subtotal	671	[3]	861	[3]
Total acquired loans	13,341	[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	85		87
Past Due 30-89 Days	0		0
Past Due Greater Than 90 Days	0		0
Nonaccrual	0		0
Subtotal	85		87
Total acquired loans	318,603		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	1,182	[3]	1,468	[3]
Past Due 30-89 Days	75	[3]	48	[3]
Past Due Greater Than 90 Days	0	[3]	52	[3]
Nonaccrual	2	[3]	7	[3]
Subtotal	1,259	[3]	1,575	[3]
Total acquired loans	2,929	[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	195		16
Past Due 30-89 Days	0		0
Past Due Greater Than 90 Days	0		0
Nonaccrual	0		0
Subtotal	195		16
Total acquired loans	34,869		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	543	[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	206,338		3,035
Consumer Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	173	[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	173	[3]	177	[3]
Total acquired loans	173	[3]	177	[3]
Consumer Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	26,622		2,394
Past Due 30-89 Days	599		164
Past Due Greater Than 90 Days	199		52
Nonaccrual	0		0
Subtotal	27,420		2,610
Total acquired loans	27,420		2,610
Consumer Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	27	[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	27	[3]	104	[3]
Total acquired loans	1,273	[3]	1,229	[3]
Consumer Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	70		14
Past Due 30-89 Days	10		0
Past Due Greater Than 90 Days	0		0
Nonaccrual	0		0
Subtotal	80		14
Total acquired loans	$ 18,179		$ 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.