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Loans - Aging of Recorded Investment in Past Due Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | $ 3,469,845 | $ 3,371,789
30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 3,433 | 4,430
60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 1,444 | 2,430
Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 17,199 | 20,682
Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 22,076 | 27,542
Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 3,447,769 | 3,344,247
Farmland |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 20,737 | 23,316
Farmland | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 195
Farmland | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Farmland | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 1,211 | 1,211
Farmland | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 1,211 | 1,406
Farmland | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 19,526 | 21,910
Owner-occupied, nonfarm nonresidential properties |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 425,444 | 407,924
Owner-occupied, nonfarm nonresidential properties | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 99 | 10
Owner-occupied, nonfarm nonresidential properties | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 53 | 885
Owner-occupied, nonfarm nonresidential properties | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 961 | 732
Owner-occupied, nonfarm nonresidential properties | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 1,113 | 1,627
Owner-occupied, nonfarm nonresidential properties | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 424,331 | 406,297
Agricultural production and other loans to farmers |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 2,411 | 2,664
Agricultural production and other loans to farmers | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Agricultural production and other loans to farmers | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Agricultural production and other loans to farmers | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Agricultural production and other loans to farmers | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Agricultural production and other loans to farmers | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 2,411 | 2,664
Commercial and Industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 687,333 | 663,550
Commercial and Industrial | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 252 | 476
Commercial and Industrial | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 272 | 335
Commercial and Industrial | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 1,275 | 3,887
Commercial and Industrial | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 1,799 | 4,698
Commercial and Industrial | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 685,534 | 658,852
Obligations (other than securities and leases) of states and political subdivisions |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 131,862 | 132,818
Obligations (other than securities and leases) of states and political subdivisions | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Obligations (other than securities and leases) of states and political subdivisions | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Obligations (other than securities and leases) of states and political subdivisions | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Obligations (other than securities and leases) of states and political subdivisions | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Obligations (other than securities and leases) of states and political subdivisions | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 131,862 | 132,818
Other loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 13,404 | 11,961
Other loans | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Other loans | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Other loans | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Other loans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Other loans | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 13,404 | 11,961
Other construction loans and all land development and other land loans |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 240,957 | 205,734
Other construction loans and all land development and other land loans | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Other construction loans and all land development and other land loans | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Other construction loans and all land development and other land loans | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 1,467 | 1,917
Other construction loans and all land development and other land loans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 1,467 | 1,917
Other construction loans and all land development and other land loans | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 239,490 | 203,817
Multifamily (5 or more) residential properties |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 231,417 | 212,815
Multifamily (5 or more) residential properties | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Multifamily (5 or more) residential properties | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Multifamily (5 or more) residential properties | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 209 | 0
Multifamily (5 or more) residential properties | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 209 | 0
Multifamily (5 or more) residential properties | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 231,208 | 212,815
Non-owner occupied, nonfarm nonresidential properties |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 628,669 | 640,945
Non-owner occupied, nonfarm nonresidential properties | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 112 | 314
Non-owner occupied, nonfarm nonresidential properties | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 203 | 156
Non-owner occupied, nonfarm nonresidential properties | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 10,543 | 10,184
Non-owner occupied, nonfarm nonresidential properties | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 10,858 | 10,654
Non-owner occupied, nonfarm nonresidential properties | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 617,811 | 630,291
1-4 Family Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 34,394 | 27,768
1-4 Family Construction | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 6 | 0
1-4 Family Construction | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
1-4 Family Construction | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
1-4 Family Construction | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 6 | 0
1-4 Family Construction | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 34,388 | 27,768
Home equity lines of credit |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 104,897 | 109,444
Home equity lines of credit | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 320 | 166
Home equity lines of credit | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 87 | 235
Home equity lines of credit | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 254 | 486
Home equity lines of credit | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 661 | 887
Home equity lines of credit | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 104,236 | 108,557
Residential Mortgages secured by first liens |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 795,738 | 777,030
Residential Mortgages secured by first liens | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 2,221 | 2,834
Residential Mortgages secured by first liens | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 544 | 629
Residential Mortgages secured by first liens | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 1,050 | 1,911
Residential Mortgages secured by first liens | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 3,815 | 5,374
Residential Mortgages secured by first liens | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 791,923 | 771,656
Residential Mortgages secured by junior liens |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 55,177 | 53,726
Residential Mortgages secured by junior liens | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 73 | 8
Residential Mortgages secured by junior liens | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 91 | 0
Residential Mortgages secured by junior liens | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 8 | 66
Residential Mortgages secured by junior liens | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 172 | 74
Residential Mortgages secured by junior liens | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 55,005 | 53,652
Other revolving credit plans |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 24,691 | 25,507
Other revolving credit plans | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 16 | 36
Other revolving credit plans | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 17 | 19
Other revolving credit plans | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 5 | 0
Other revolving credit plans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 38 | 55
Other revolving credit plans | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 24,653 | 25,452
Automobile |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 22,924 | 25,344
Automobile | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 5 | 73
Automobile | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 6 | 0
Automobile | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 50 | 9
Automobile | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 61 | 82
Automobile | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 22,863 | 25,262
Other consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 41,103 | 42,792
Other consumer | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 250 | 246
Other consumer | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 136 | 132
Other consumer | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 162 | 245
Other consumer | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 548 | 623
Other consumer | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 40,555 | 42,169
Credit cards |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 8,453 | 8,115
Credit cards | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 79 | 72
Credit cards | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 35 | 39
Credit cards | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 4 | 34
Credit cards | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 118 | 145
Credit cards | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 8,335 | 7,970
Overdrafts |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 234 | 336
Overdrafts | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Overdrafts | 60 - 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Overdrafts | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Overdrafts | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | 0 | 0
Overdrafts | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Total ending loans balance | $ 234 | $ 336

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