Loans - Receivables Past Due (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	$ 51,110	$ 41,513
Current	1,496,544	1,487,453
Total Loans Before Unearned Income	1,547,654	1,528,966
Recorded Investment 90 Days Accruing	6,916	2,639
Unearned income	(3,522)	(3,476)
Total Loans Net of Unearned Income	1,544,132	1,525,490
30-89 Days Past Due
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	28,288	24,471
90 Days or Greater
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	22,822	17,042
Real Estate
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	41,785	32,200
Current	1,073,442	1,092,932
Total Loans Before Unearned Income	1,115,227	1,125,132
Recorded Investment 90 Days Accruing	6,673	2,574
Real Estate \| 30-89 Days Past Due
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	24,371	20,566
Real Estate \| 90 Days or Greater
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	17,414	11,634
Real Estate \| Construction & land development
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	4,752	1,189
Current	120,449	171,058
Total Loans Before Unearned Income	125,201	172,247
Recorded Investment 90 Days Accruing	414	48
Real Estate \| Construction & land development \| 30-89 Days Past Due
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	3,437	760
Real Estate \| Construction & land development \| 90 Days or Greater
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	1,315	429
Real Estate \| Farmland
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	2,687	1,280
Current	19,153	21,461
Total Loans Before Unearned Income	21,840	22,741
Recorded Investment 90 Days Accruing	0	0
Real Estate \| Farmland \| 30-89 Days Past Due
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	1,832	6
Real Estate \| Farmland \| 90 Days or Greater
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	855	1,274
Real Estate \| 1- 4 Family
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	12,174	12,203
Current	273,983	277,432
Total Loans Before Unearned Income	286,157	289,635
Recorded Investment 90 Days Accruing	1,203	923
Real Estate \| 1- 4 Family \| 30-89 Days Past Due
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	6,624	8,521
Real Estate \| 1- 4 Family \| 90 Days or Greater
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	5,550	3,682
Real Estate \| Multifamily
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	0	0
Current	27,948	23,973
Total Loans Before Unearned Income	27,948	23,973
Recorded Investment 90 Days Accruing	0	0
Real Estate \| Multifamily \| 30-89 Days Past Due
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	0	0
Real Estate \| Multifamily \| 90 Days or Greater
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	0	0
Real Estate \| Non-farm non-residential
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	22,172	17,528
Current	631,909	599,008
Total Loans Before Unearned Income	654,081	616,536
Recorded Investment 90 Days Accruing	5,056	1,603
Real Estate \| Non-farm non-residential \| 30-89 Days Past Due
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	12,478	11,279
Real Estate \| Non-farm non-residential \| 90 Days or Greater
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	9,694	6,249
Non-Real Estate
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	9,325	9,313
Current	423,102	394,521
Total Loans Before Unearned Income	432,427	403,834
Recorded Investment 90 Days Accruing	243	65
Non-Real Estate \| 30-89 Days Past Due
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	3,917	3,905
Non-Real Estate \| 90 Days or Greater
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	5,408	5,408
Non-Real Estate \| Agricultural
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	5,675	5,110
Current	19,645	21,600
Total Loans Before Unearned Income	25,320	26,710
Recorded Investment 90 Days Accruing	46	0
Non-Real Estate \| Agricultural \| 30-89 Days Past Due
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	1,149	310
Non-Real Estate \| Agricultural \| 90 Days or Greater
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	4,526	4,800
Non-Real Estate \| Commercial and industrial
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	1,834	3,143
Current	296,351	265,113
Total Loans Before Unearned Income	298,185	268,256
Recorded Investment 90 Days Accruing	139	15
Non-Real Estate \| Commercial and industrial \| 30-89 Days Past Due
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	1,283	2,801
Non-Real Estate \| Commercial and industrial \| 90 Days or Greater
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	551	342
Non-Real Estate \| Consumer and other
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	1,816	1,060
Current	107,106	107,808
Total Loans Before Unearned Income	108,922	108,868
Recorded Investment 90 Days Accruing	58	50
Non-Real Estate \| Consumer and other \| 30-89 Days Past Due
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	1,485	794
Non-Real Estate \| Consumer and other \| 90 Days or Greater
Financing Receivable, Recorded Investment, Aging [Abstract]
Total Past Due	$ 331	$ 266

Amount of financing receivable 90 days or more past due and still accruing.

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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