Loans - Schedule of Credit Risk Profile By Risk Rating (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Jan. 01, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans			$ 2,804,035
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	$ 2,424,318	$ 2,200,393
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	30,132	33,457
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	45,919	67,877
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	1,379	0
Criticized
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	77,430	101,334
Total
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	2,501,748	2,301,727
Farmland
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans			0
Farmland | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		20,316
Farmland | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		1,156
Farmland | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		1,844
Farmland | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Farmland | Criticized
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	2,482	3,000
Farmland | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	23,768	23,316
Owner-occupied, nonfarm nonresidential properties
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans			0
Owner-occupied, nonfarm nonresidential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		391,899
Owner-occupied, nonfarm nonresidential properties | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		2,826
Owner-occupied, nonfarm nonresidential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		13,199
Owner-occupied, nonfarm nonresidential properties | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Owner-occupied, nonfarm nonresidential properties | Criticized
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	15,304	16,025
Owner-occupied, nonfarm nonresidential properties | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	434,672	407,924
Agricultural production and other loans to farmers
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans			0
Agricultural production and other loans to farmers | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		2,664
Agricultural production and other loans to farmers | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Agricultural production and other loans to farmers | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Agricultural production and other loans to farmers | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Agricultural production and other loans to farmers | Criticized
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	0	0
Agricultural production and other loans to farmers | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	1,379	2,664
Commercial and Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans			0
Commercial and Industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		637,071
Commercial and Industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		11,368
Commercial and Industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		15,111
Commercial and Industrial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Commercial and Industrial | Criticized
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	21,979	26,479
Commercial and Industrial | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	708,989	663,550
Obligations Other Than Securities And Leases Of States And Political Subdivisions | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		132,110
Obligations Other Than Securities And Leases Of States And Political Subdivisions | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Obligations Other Than Securities And Leases Of States And Political Subdivisions | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		708
Obligations Other Than Securities And Leases Of States And Political Subdivisions | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Obligations Other Than Securities And Leases Of States And Political Subdivisions | Criticized
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	0	708
Obligations Other Than Securities And Leases Of States And Political Subdivisions | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	140,887	132,818
Other loans
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans			0
Other loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		11,961
Other loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Other loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Other loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Other loans | Criticized
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	0	0
Other loans | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	13,979	11,961
Other construction loans and all land development and other land loans
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans			0
Other construction loans and all land development and other land loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		198,206
Other construction loans and all land development and other land loans | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		5,611
Other construction loans and all land development and other land loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		1,917
Other construction loans and all land development and other land loans | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Other construction loans and all land development and other land loans | Criticized
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	4,766	7,528
Other construction loans and all land development and other land loans | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	298,869	205,734
Multifamily (5 or more) residential properties
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans			$ 0
Multifamily (5 or more) residential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		211,563
Multifamily (5 or more) residential properties | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Multifamily (5 or more) residential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		1,252
Multifamily (5 or more) residential properties | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Multifamily (5 or more) residential properties | Criticized
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	1,371	1,252
Multifamily (5 or more) residential properties | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	216,143	212,815
Non-owner occupied, nonfarm nonresidential properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		594,603
Non-owner occupied, nonfarm nonresidential properties | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		12,496
Non-owner occupied, nonfarm nonresidential properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		33,846
Non-owner occupied, nonfarm nonresidential properties | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans		0
Non-owner occupied, nonfarm nonresidential properties | Criticized
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	31,528	46,342
Non-owner occupied, nonfarm nonresidential properties | Total
Financing Receivable, Credit Quality Indicator [Line Items]
Net loans	$ 663,062	$ 640,945