Acquired Loans Part 5 (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013		Dec. 31, 2012
Acquired Loans, Aging [Abstract]
Current	$ 932,408		$ 111,779
Past Due 30-89 Days	39,678		10,608
Past Due Greater Than 90 Days	75,719	[1]	10,074	[1]
Nonaccrual	2,911	[2]	1,103	[2]
Subtotal	115,397		20,682
Total acquired loans	1,050,716		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	36,911		41,377
Past Due 30-89 Days	7,753		6,213
Past Due Greater Than 90 Days	2,250	[1]	3,724	[1]
Nonaccrual	675	[2]	727	[2]
Subtotal	10,003		9,937
Total acquired loans	47,589		52,041
Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	895,497		70,402
Past Due 30-89 Days	31,925		4,395
Past Due Greater Than 90 Days	73,469	[1]	6,350	[1]
Nonaccrual	2,236	[2]	376	[2]
Subtotal	105,394		10,745
Total acquired loans	1,003,127		81,523
Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	1,865		2,993
Past Due 30-89 Days	1,315		240
Past Due Greater Than 90 Days	250	[1]	246	[1]
Nonaccrual	445	[2]	445	[2]
Subtotal	1,565		486
Total acquired loans	3,875		3,924
Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	88,382		6,434
Past Due 30-89 Days	5,376		0
Past Due Greater Than 90 Days	44,209	[1]	3,622	[1]
Nonaccrual	475	[2]	0	[2]
Subtotal	49,585		3,622
Total acquired loans	138,442		10,056
Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	17,417		20,168
Past Due 30-89 Days	2,043		1,705
Past Due Greater Than 90 Days	1,344	[1]	1,883	[1]
Nonaccrual	176	[2]	234	[2]
Subtotal	3,387		3,588
Total acquired loans	20,980		23,990
Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	188,662		17,311
Past Due 30-89 Days	8,063		458
Past Due Greater Than 90 Days	12,396	[1]	1,392	[1]
Nonaccrual	537	[2]	243	[2]
Subtotal	20,459		1,850
Total acquired loans	209,658		19,404
Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	12,946		12,915
Past Due 30-89 Days	3,817		3,953
Past Due Greater Than 90 Days	592	[1]	1,539	[1]
Nonaccrual	0	[2]	0	[2]
Subtotal	4,409		5,492
Total acquired loans	17,355		18,407
Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	313,048		40,773
Past Due 30-89 Days	13,737		3,526
Past Due Greater Than 90 Days	12,733	[1]	1,217	[1]
Nonaccrual	435	[2]	133	[2]
Subtotal	26,470		4,743
Total acquired loans	339,953		45,649
Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	3,238		3,285
Past Due 30-89 Days	121		221
Past Due Greater Than 90 Days	0	[1]	52	[1]
Nonaccrual	6	[2]	9	[2]
Subtotal	121		273
Total acquired loans	3,365		3,567
Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	29,859		595
Past Due 30-89 Days	1,358		30
Past Due Greater Than 90 Days	965	[1]	44	[1]
Nonaccrual	26	[2]	0	[2]
Subtotal	2,323		74
Total acquired loans	32,208		669
Commercial And Industrial Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	446		610
Past Due 30-89 Days	90		94
Past Due Greater Than 90 Days	64	[1]	4	[1]
Nonaccrual	48	[2]	39	[2]
Subtotal	154		98
Total acquired loans	648		747
Commercial And Industrial Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	229,645		2,795
Past Due 30-89 Days	2,156		217
Past Due Greater Than 90 Days	2,722	[1]	23	[1]
Nonaccrual	763	[2]	0	[2]
Subtotal	4,878		240
Total acquired loans	235,286		3,035
Consumer Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	179		177
Past Due 30-89 Days	0		0
Past Due Greater Than 90 Days	0	[1]	0	[1]
Nonaccrual	0	[2]	0	[2]
Subtotal	0		0
Total acquired loans	179		177
Consumer Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	31,208		2,394
Past Due 30-89 Days	1,042		164
Past Due Greater Than 90 Days	444	[1]	52	[1]
Nonaccrual	0	[2]	0	[2]
Subtotal	1,486		216
Total acquired loans	32,694		2,610
Other Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	820		1,229
Past Due 30-89 Days	367		0
Past Due Greater Than 90 Days	0	[1]	0	[1]
Nonaccrual	0	[2]	0	[2]
Subtotal	367		0
Total acquired loans	1,187		1,229
Other Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	14,693		100
Past Due 30-89 Days	193		0
Past Due Greater Than 90 Days	0	[1]	0	[1]
Nonaccrual	0	[2]	0	[2]
Subtotal	193		0
Total acquired loans	14,886		100
Commercial Portfolio Segment [Member] | Pass [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	502,239		47,308
Commercial Portfolio Segment [Member] | Pass [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	11,527	[3]	11,096	[3]
Commercial Portfolio Segment [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	490,712		36,212
Commercial Portfolio Segment [Member] | Special Mention [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	89,723		6,460
Commercial Portfolio Segment [Member] | Special Mention [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	1,101	[3]	2,656	[3]
Commercial Portfolio Segment [Member] | Special Mention [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	88,622		3,804
Commercial Portfolio Segment [Member] | Substandard [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	236,671		43,866
Commercial Portfolio Segment [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	14,610	[3]	16,051	[3]
Commercial Portfolio Segment [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	222,061		27,815
Commercial Portfolio Segment [Member] | Doubtful [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	24,700		3,937
Commercial Portfolio Segment [Member] | Doubtful [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	2,030	[3]	2,162	[3]
Commercial Portfolio Segment [Member] | Doubtful [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	22,670		1,775
Commercial Portfolio Segment [Member] | Commercial Subtotal [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	853,333		101,571
Commercial Portfolio Segment [Member] | Commercial Subtotal [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	29,268	[3]	31,965	[3]
Commercial Portfolio Segment [Member] | Commercial Subtotal [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	824,065		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	1,518	[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	35,605		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	18	[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	10,435		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	1,416	[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	68,231		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	743	[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	10,392		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	3,695	[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	124,663		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	1,734	[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	29,548		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	715	[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	21,509		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	2,829	[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	25,569		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	20	[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	614		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	5,298	[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	77,240		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	6,651	[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	217,009		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	122	[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	29,462		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	9,040	[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	85,961		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	691	[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	7,434		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	16,504	[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	339,866		45,562
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Pass [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	985	[3]	443	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	19,993		236
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Special Mention [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	173	[3]	318	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Special Mention [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	7,236		0
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	777	[3]	1,231	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	4,979		417
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [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 Real Estate Secured Financing Receivable [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 Real Estate Secured Financing Receivable [Member] | Commercial Subtotal [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	1,936	[3]	1,992	[3]
Commercial Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Commercial Subtotal [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	32,208		653
Commercial Portfolio Segment [Member] | Commercial And Industrial Loans Financing Receivable [Member] | Pass [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	395	[3]	82	[3]
Commercial Portfolio Segment [Member] | Commercial And Industrial Loans Financing Receivable [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	175,965		2,853
Commercial Portfolio Segment [Member] | Commercial And Industrial Loans Financing Receivable [Member] | Special Mention [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	72	[3]	458	[3]
Commercial Portfolio Segment [Member] | Commercial And Industrial Loans Financing Receivable [Member] | Special Mention [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	17,861		89
Commercial Portfolio Segment [Member] | Commercial And Industrial Loans Financing Receivable [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	181	[3]	207	[3]
Commercial Portfolio Segment [Member] | Commercial And Industrial Loans Financing Receivable [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	37,230		93
Commercial Portfolio Segment [Member] | Commercial And Industrial Loans Financing Receivable [Member] | Doubtful [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	0	[3]	0	[3]
Commercial Portfolio Segment [Member] | Commercial And Industrial Loans Financing Receivable [Member] | Doubtful [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	4,230		0
Commercial Portfolio Segment [Member] | Commercial And Industrial Loans Financing Receivable [Member] | Commercial Subtotal [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	648	[3]	747	[3]
Commercial Portfolio Segment [Member] | Commercial And Industrial Loans Financing Receivable [Member] | Commercial Subtotal [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	235,286		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	244	[3]	245	[3]
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Pass [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	12,592		86
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Special Mention [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	1	[3]	0	[3]
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Special Mention [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	2,119		0
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Substandard [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	367	[3]	345	[3]
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Substandard [Member] | Noncovered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	91		0
Commercial Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Doubtful [Member] | Covered [Member]
Acquired Loans, Commercial Loans [Abstract]
Acquired loans	575	[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	1,187	[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	14,802		86
Consumer Portfolio Segment [Member]
Acquired Loans, Aging [Abstract]
Current	181,402		28,086
Past Due 30-89 Days	9,048		1,792
Past Due Greater Than 90 Days	6,354		2,009
Nonaccrual	579		106
Subtotal	197,383		31,993
Total acquired loans	1,050,716		133,564
Consumer Portfolio Segment [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	15,354	[3]	17,058	[3]
Past Due 30-89 Days	1,554	[3]	1,271	[3]
Past Due Greater Than 90 Days	1,371	[3]	1,702	[3]
Nonaccrual	42	[3]	45	[3]
Subtotal	18,321	[3]	20,076	[3]
Total acquired loans	47,589	[3]	52,041	[3]
Consumer Portfolio Segment [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	166,048		11,028
Past Due 30-89 Days	7,494		521
Past Due Greater Than 90 Days	4,983		307
Nonaccrual	537		61
Subtotal	179,062		11,917
Total acquired loans	1,003,127		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	180	[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	180	[3]	332	[3]
Total acquired loans	3,875	[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	12,532		802
Past Due 30-89 Days	355		0
Past Due Greater Than 90 Days	892		40
Nonaccrual	0		0
Subtotal	13,779		842
Total acquired loans	138,442		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	12,989	[3]	14,311	[3]
Past Due 30-89 Days	1,453	[3]	1,028	[3]
Past Due Greater Than 90 Days	1,202	[3]	1,650	[3]
Nonaccrual	38	[3]	38	[3]
Subtotal	15,682	[3]	17,027	[3]
Total acquired loans	20,980	[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	122,141		7,715
Past Due 30-89 Days	6,093		357
Past Due Greater Than 90 Days	3,647		215
Nonaccrual	537		61
Subtotal	132,418		8,348
Total acquired loans	209,658		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	682	[3]	692	[3]
Past Due 30-89 Days	0	[3]	169	[3]
Past Due Greater Than 90 Days	169	[3]	0	[3]
Nonaccrual	0	[3]	0	[3]
Subtotal	851	[3]	861	[3]
Total acquired loans	17,355	[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	87		87
Past Due 30-89 Days	0		0
Past Due Greater Than 90 Days	0		0
Nonaccrual	0		0
Subtotal	87		87
Total acquired loans	339,953		45,649
Consumer Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	1,324	[3]	1,468	[3]
Past Due 30-89 Days	101	[3]	48	[3]
Past Due Greater Than 90 Days	0	[3]	52	[3]
Nonaccrual	4	[3]	7	[3]
Subtotal	1,429	[3]	1,575	[3]
Total acquired loans	3,365	[3]	3,567	[3]
Consumer Portfolio Segment [Member] | Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	0		16
Past Due 30-89 Days	0		0
Past Due Greater Than 90 Days	0		0
Nonaccrual	0		0
Subtotal	0		16
Total acquired loans	32,208		669
Consumer Portfolio Segment [Member] | Commercial And Industrial Loans Financing Receivable [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	648	[3]	747	[3]
Consumer Portfolio Segment [Member] | Commercial And Industrial Loans Financing Receivable [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	235,286		3,035
Consumer Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Current	179	[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	179	[3]	177	[3]
Total acquired loans	179	[3]	177	[3]
Consumer Portfolio Segment [Member] | Consumer Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	31,208		2,394
Past Due 30-89 Days	1,042		164
Past Due Greater Than 90 Days	444		52
Nonaccrual	0		0
Subtotal	32,694		2,610
Total acquired loans	32,694		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	1,187	[3]	1,229	[3]
Consumer Portfolio Segment [Member] | Other Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Current	80		14
Past Due 30-89 Days	4		0
Past Due Greater Than 90 Days	0		0
Nonaccrual	0		0
Subtotal	84		14
Total acquired loans	$ 14,886		$ 100

[1] Past due greater than 90 days 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.