Loans- Risk Rating (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Farmland
Financing Receivable, Credit Quality Indicator [Line Items]
2020	$ 2,773
2019	4,448
2018	3,767
2017	3,699
2016	1,476
Prior	6,491
Revolving Loans Amortized Cost Basis	662
Revolving Loans Converted to Term	0
Total	23,316
Farmland | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,617
2019	4,448
2018	3,767
2017	3,648
2016	894
Prior	5,280
Revolving Loans Amortized Cost Basis	662
Revolving Loans Converted to Term	0
Total	20,316
Farmland | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,156
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	1,156
Farmland | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	51
2016	582
Prior	1,211
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	1,844
Farmland | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Owner-occupied, nonfarm nonresidential properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	87,715
2019	112,129
2018	55,330
2017	58,427
2016	30,112
Prior	54,579
Revolving Loans Amortized Cost Basis	9,632
Revolving Loans Converted to Term	0
Total	407,924
Owner-occupied, nonfarm nonresidential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	86,694
2019	109,228
2018	52,818
2017	56,948
2016	26,119
Prior	50,839
Revolving Loans Amortized Cost Basis	9,253
Revolving Loans Converted to Term	0
Total	391,899
Owner-occupied, nonfarm nonresidential properties | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	452
2018	74
2017	541
2016	318
Prior	1,310
Revolving Loans Amortized Cost Basis	131
Revolving Loans Converted to Term	0
Total	2,826
Owner-occupied, nonfarm nonresidential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,021
2019	2,449
2018	2,438
2017	938
2016	3,675
Prior	2,430
Revolving Loans Amortized Cost Basis	248
Revolving Loans Converted to Term	0
Total	13,199
Owner-occupied, nonfarm nonresidential properties | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Agricultural production and other loans to farmers
Financing Receivable, Credit Quality Indicator [Line Items]
2020	267
2019	155
2018	601
2017	0
2016	54
Prior	0
Revolving Loans Amortized Cost Basis	1,587
Revolving Loans Converted to Term	0
Total	2,664
Agricultural production and other loans to farmers | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	267
2019	155
2018	601
2017	0
2016	54
Prior	0
Revolving Loans Amortized Cost Basis	1,587
Revolving Loans Converted to Term	0
Total	2,664
Agricultural production and other loans to farmers | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Agricultural production and other loans to farmers | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Agricultural production and other loans to farmers | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Commercial and Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2020	319,251
2019	57,553
2018	51,555
2017	33,250
2016	7,534
Prior	13,156
Revolving Loans Amortized Cost Basis	181,251
Revolving Loans Converted to Term	0
Total	663,550
Commercial and Industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	318,323
2019	54,620
2018	46,854
2017	32,426
2016	7,197
Prior	7,265
Revolving Loans Amortized Cost Basis	170,386
Revolving Loans Converted to Term	0
Total	637,071
Commercial and Industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	127
2019	1,017
2018	3,489
2017	712
2016	300
Prior	1,033
Revolving Loans Amortized Cost Basis	4,690
Revolving Loans Converted to Term	0
Total	11,368
Commercial and Industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	801
2019	1,916
2018	1,212
2017	112
2016	37
Prior	4,858
Revolving Loans Amortized Cost Basis	6,175
Revolving Loans Converted to Term	0
Total	15,111
Commercial and Industrial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Obligations (other than securities and leases) of states and political subdivisions
Financing Receivable, Credit Quality Indicator [Line Items]
2020	11,430
2019	12,279
2018	35,176
2017	20,891
2016	19,365
Prior	24,789
Revolving Loans Amortized Cost Basis	8,888
Revolving Loans Converted to Term	0
Total	132,818
Obligations (other than securities and leases) of states and political subdivisions | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	10,722
2019	12,279
2018	35,176
2017	20,891
2016	19,365
Prior	24,789
Revolving Loans Amortized Cost Basis	8,888
Revolving Loans Converted to Term	0
Total	132,110
Obligations (other than securities and leases) of states and political subdivisions | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Obligations (other than securities and leases) of states and political subdivisions | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	708
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	708
Obligations (other than securities and leases) of states and political subdivisions | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Other loans
Financing Receivable, Credit Quality Indicator [Line Items]
2020	7,268
2019	1,237
2018	386
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	3,070
Revolving Loans Converted to Term	0
Total	11,961
Other loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	7,268
2019	1,237
2018	386
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	3,070
Revolving Loans Converted to Term	0
Total	11,961
Other loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Other loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Other loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Other construction loans and all land development and other land loans
Financing Receivable, Credit Quality Indicator [Line Items]
2020	120,797
2019	52,750
2018	20,006
2017	5,603
2016	28
Prior	3,925
Revolving Loans Amortized Cost Basis	2,625
Revolving Loans Converted to Term	0
Total	205,734
Other construction loans and all land development and other land loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	119,380
2019	52,078
2018	19,977
2017	2,300
2016	28
Prior	1,895
Revolving Loans Amortized Cost Basis	2,548
Revolving Loans Converted to Term	0
Total	198,206
Other construction loans and all land development and other land loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,417
2019	672
2018	29
2017	3,303
2016	0
Prior	190
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	5,611
Other construction loans and all land development and other land loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	1,840
Revolving Loans Amortized Cost Basis	77
Revolving Loans Converted to Term	0
Total	1,917
Other construction loans and all land development and other land loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Multifamily (5 or more) residential properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	73,578
2019	40,386
2018	26,518
2017	49,383
2016	4,086
Prior	16,957
Revolving Loans Amortized Cost Basis	1,907
Revolving Loans Converted to Term	0
Total	212,815
Multifamily (5 or more) residential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	73,572
2019	39,633
2018	26,230
2017	49,178
2016	4,086
Prior	16,957
Revolving Loans Amortized Cost Basis	1,907
Revolving Loans Converted to Term	0
Total	211,563
Multifamily (5 or more) residential properties | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Multifamily (5 or more) residential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	6
2019	753
2018	288
2017	205
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	1,252
Multifamily (5 or more) residential properties | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	0
Non-owner occupied, nonfarm nonresidential properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	161,144
2019	140,738
2018	91,957
2017	67,519
2016	46,516
Prior	122,388
Revolving Loans Amortized Cost Basis	10,683
Revolving Loans Converted to Term	0
Total	640,945
Non-owner occupied, nonfarm nonresidential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
2020	161,045
2019	127,518
2018	89,520
2017	55,966
2016	44,959
Prior	105,962
Revolving Loans Amortized Cost Basis	9,633
Revolving Loans Converted to Term	0
Total	594,603
Non-owner occupied, nonfarm nonresidential properties | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
2020	99
2019	895
2018	2,111
2017	3,969
2016	835
Prior	4,137
Revolving Loans Amortized Cost Basis	450
Revolving Loans Converted to Term	0
Total	12,496
Non-owner occupied, nonfarm nonresidential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	12,325
2018	326
2017	7,584
2016	722
Prior	12,289
Revolving Loans Amortized Cost Basis	600
Revolving Loans Converted to Term	0
Total	33,846
Non-owner occupied, nonfarm nonresidential properties | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans Amortized Cost Basis	0
Revolving Loans Converted to Term	0
Total	$ 0