Acquired Loans Part 6 (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012		Dec. 31, 2011
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	$ 10,608		$ 6,498	[1]
Past Due Greater Than 90 Days	10,074	[2]	5,687	[1],[2]
Total Past Due	20,682		12,185	[1]
Nonaccrual	1,103	[3]	491	[1],[3]
Current Loans	111,779		68,491	[1]
Acquired loans	133,564		81,167	[1]
Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	6,213		6,272
Past Due Greater Than 90 Days	3,724	[2]	5,685	[2]
Total Past Due	9,937		11,957
Nonaccrual	727	[3]	491	[3]
Current Loans	41,377		64,356
Acquired loans	52,041		76,804
Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	4,395		226	[1]
Past Due Greater Than 90 Days	6,350	[2]	2	[1],[2]
Total Past Due	10,745		228	[1]
Nonaccrual	376	[3]	0	[1],[3]
Current Loans	70,402		4,135	[1]
Acquired loans	81,523		4,363	[1]
Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	240		253
Past Due Greater Than 90 Days	246	[2]	1,004	[2]
Total Past Due	486		1,257
Nonaccrual	445	[3]	386	[3]
Current Loans	2,993		2,566
Acquired loans	3,924		4,209
Real Estate Secured Financing Receivable [Member] | Construction Land Development And Other Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	0		0	[1]
Past Due Greater Than 90 Days	3,622	[2]	0	[1],[2]
Total Past Due	3,622		0	[1]
Nonaccrual	0	[3]	0	[1],[3]
Current Loans	6,434		0	[1]
Acquired loans	10,056		0	[1]
Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	1,705		1,339
Past Due Greater Than 90 Days	1,883	[2]	2,159	[2]
Total Past Due	3,588		3,498
Nonaccrual	234	[3]	92	[3]
Current Loans	20,168		28,284
Acquired loans	23,990		31,874
Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	458		5	[1]
Past Due Greater Than 90 Days	1,392	[2]	0	[1],[2]
Total Past Due	1,850		5	[1]
Nonaccrual	243	[3]	0	[1],[3]
Current Loans	17,311		71	[1]
Acquired loans	19,404		76	[1]
Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	3,953		4,464
Past Due Greater Than 90 Days	1,539	[2]	2,463	[2]
Total Past Due	5,492		6,927
Nonaccrual	0	[3]	0	[3]
Current Loans	12,915		23,962
Acquired loans	18,407		30,889
Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	3,526		0	[1]
Past Due Greater Than 90 Days	1,217	[2]	0	[1],[2]
Total Past Due	4,743		0	[1]
Nonaccrual	133	[3]	0	[1],[3]
Current Loans	40,773		0	[1]
Acquired loans	45,649		0	[1]
Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	221		176
Past Due Greater Than 90 Days	52	[2]	14	[2]
Total Past Due	273		190
Nonaccrual	9	[3]	0	[3]
Current Loans	3,285		4,936
Acquired loans	3,567		5,126
Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	30		0	[1]
Past Due Greater Than 90 Days	44	[2]	0	[1],[2]
Total Past Due	74		0	[1]
Nonaccrual	0	[3]	0	[1],[3]
Current Loans	595		0	[1]
Acquired loans	669		0	[1]
Commercial And Industrial Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	94		37
Past Due Greater Than 90 Days	4	[2]	45	[2]
Total Past Due	98		82
Nonaccrual	39	[3]	13	[3]
Current Loans	610		2,876
Acquired loans	747		2,971
Commercial And Industrial Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	217		19	[1]
Past Due Greater Than 90 Days	23	[2]	0	[1],[2]
Total Past Due	240		19	[1]
Nonaccrual	0	[3]	0	[1],[3]
Current Loans	2,795		50	[1]
Acquired loans	3,035		69	[1]
Consumer Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	0		0
Past Due Greater Than 90 Days	0	[2]	0	[2]
Total Past Due	0		0
Nonaccrual	0	[3]	0	[3]
Current Loans	177		290
Acquired loans	177		290
Consumer Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	164		202	[1]
Past Due Greater Than 90 Days	52	[2]	2	[1],[2]
Total Past Due	216		204	[1]
Nonaccrual	0	[3]	0	[1],[3]
Current Loans	2,394		3,942	[1]
Acquired loans	2,610		4,146	[1]
Other Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	0		3
Past Due Greater Than 90 Days	0	[2]	0	[2]
Total Past Due	0		3
Nonaccrual	0	[3]	0	[3]
Current Loans	1,229		1,442
Acquired loans	1,229		1,445
Other Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 89 Days	0		0	[1]
Past Due Greater Than 90 Days	0	[2]	0	[1],[2]
Total Past Due	0		0	[1]
Nonaccrual	0	[3]	0	[1],[3]
Current Loans	100		72	[1]
Acquired loans	$ 100		$ 72	[1]

[1] Acquired noncovered loans were included in LHFI at December 31, 2011.

[2] Past due greater than 90 days but still accruing interest.

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