Acquired Loans Part 5 (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015		Dec. 31, 2014
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	$ 6,875		$ 3,823
Past Due 60 - 89 Days	2,111		2,794
Past Due Greater Than 90 Days	37,249	[1]	43,412	[1]
Total Past Due	46,235		50,029
Nonaccrual	1,787	[2]	1,144	[2]
Current Loans	450,421		498,236
Acquired loans	498,443		549,409
Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	740		492
Past Due 60 - 89 Days	308		784
Past Due Greater Than 90 Days	1,740	[1]	1,263	[1]
Total Past Due	2,788		2,539
Nonaccrual	67	[2]	67	[2]
Current Loans	17,416		21,020
Acquired loans	20,271		23,626
Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	6,135		3,331
Past Due 60 - 89 Days	1,803		2,010
Past Due Greater Than 90 Days	35,509	[1]	42,149	[1]
Total Past Due	43,447		47,490
Nonaccrual	1,720	[2]	1,077	[2]
Current Loans	433,005		477,216
Acquired loans	478,172		525,783
Real Estate Secured Financing Receivable [Member] | Construction Land Development and Other Land [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	0		0
Past Due 60 - 89 Days	0		0
Past Due Greater Than 90 Days	119	[1]	376	[1]
Total Past Due	119		376
Nonaccrual	0	[2]	0	[2]
Current Loans	1,328		821
Acquired loans	1,447		1,197
Real Estate Secured Financing Receivable [Member] | Construction Land Development and Other Land [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	874		246
Past Due 60 - 89 Days	119		7
Past Due Greater Than 90 Days	18,348	[1]	21,985	[1]
Total Past Due	19,341		22,238
Nonaccrual	190	[2]	194	[2]
Current Loans	31,832		35,877
Acquired loans	51,363		58,309
Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	413		253
Past Due 60 - 89 Days	67		296
Past Due Greater Than 90 Days	706	[1]	477	[1]
Total Past Due	1,186		1,026
Nonaccrual	0	[2]	0	[2]
Current Loans	10,014		12,154
Acquired loans	11,200		13,180
Real Estate Secured Financing Receivable [Member] | Secured by 1-4 Family Residential Properties [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	1,991		2,576
Past Due 60 - 89 Days	1,529		981
Past Due Greater Than 90 Days	4,649	[1]	5,162	[1]
Total Past Due	8,169		8,719
Nonaccrual	495	[2]	422	[2]
Current Loans	103,166		107,779
Acquired loans	111,830		116,920
Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	292		239
Past Due 60 - 89 Days	241		488
Past Due Greater Than 90 Days	489	[1]	0	[1]
Total Past Due	1,022		727
Nonaccrual	0	[2]	0	[2]
Current Loans	4,822		6,945
Acquired loans	5,844		7,672
Real Estate Secured Financing Receivable [Member] | Secured by Nonfarm, Nonresidential Properties [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	588		89
Past Due 60 - 89 Days	31		865
Past Due Greater Than 90 Days	9,077	[1]	13,275	[1]
Total Past Due	9,696		14,229
Nonaccrual	0	[2]	0	[2]
Current Loans	167,514		188,094
Acquired loans	177,210		202,323
Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	30		0
Past Due 60 - 89 Days	0		0
Past Due Greater Than 90 Days	384	[1]	368	[1]
Total Past Due	414		368
Nonaccrual	0	[2]	0	[2]
Current Loans	1,055		728
Acquired loans	1,469		1,096
Real Estate Secured Financing Receivable [Member] | Other Real Estate Secured [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	6		0
Past Due 60 - 89 Days	0		0
Past Due Greater Than 90 Days	1,992	[1]	604	[1]
Total Past Due	1,998		604
Nonaccrual	0	[2]	0	[2]
Current Loans	24,821		27,209
Acquired loans	26,819		27,813
Commercial And Industrial Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	5		0
Past Due 60 - 89 Days	0		0
Past Due Greater Than 90 Days	42	[1]	42	[1]
Total Past Due	47		42
Nonaccrual	67	[2]	67	[2]
Current Loans	141		168
Acquired loans	255		277
Commercial And Industrial Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	2,563		334
Past Due 60 - 89 Days	89		128
Past Due Greater Than 90 Days	1,434	[1]	1,099	[1]
Total Past Due	4,086		1,561
Nonaccrual	1,035	[2]	461	[2]
Current Loans	76,140		86,234
Acquired loans	81,261		88,256
Consumer Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	79		86
Past Due 60 - 89 Days	35		29
Past Due Greater Than 90 Days	9	[1]	24	[1]
Total Past Due	123		139
Nonaccrual	0	[2]	0	[2]
Current Loans	8,371		9,633
Acquired loans	8,494		9,772
Other Loans Financing Receivable [Member] | Covered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	0		0
Past Due 60 - 89 Days	0		0
Past Due Greater Than 90 Days	0	[1]	0	[1]
Total Past Due	0		0
Nonaccrual	0	[2]	0	[2]
Current Loans	56		204
Acquired loans	56		204
Other Loans Financing Receivable [Member] | Noncovered [Member]
Acquired Loans, Aging [Abstract]
Past Due 30 - 59 Days	34		0
Past Due 60 - 89 Days	0		0
Past Due Greater Than 90 Days	0	[1]	0	[1]
Total Past Due	34		0
Nonaccrual	0	[2]	0	[2]
Current Loans	21,161		22,390
Acquired loans	$ 21,195		$ 22,390

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

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