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Loans - Past Due Financing Receivables (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Financing Receivable, Past Due [Line Items]    
Current $ 5,811,516 $ 5,163,098
Nonaccrual 36,897 26,955
Loans 5,858,029 5,198,404
Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 6,321 7,259
Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 3,285 984
Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 10 108
Construction and land development    
Financing Receivable, Past Due [Line Items]    
Nonaccrual 604 4,936
Loans 280,610 325,113
Commercial real estate    
Financing Receivable, Past Due [Line Items]    
Nonaccrual   6,520
Loans   2,378,971
Commercial real estate - owner-occupied    
Financing Receivable, Past Due [Line Items]    
Nonaccrual 3,502  
Loans 1,125,460 1,000,000
Commercial real estate - non owner-occupied    
Financing Receivable, Past Due [Line Items]    
Nonaccrual 8,222  
Loans 1,394,464  
Residential real estate    
Financing Receivable, Past Due [Line Items]    
Nonaccrual 17,163 9,480
Loans 1,393,396 1,507,863
Commercial and financial    
Financing Receivable, Past Due [Line Items]    
Nonaccrual 7,037 5,909
Loans 833,083 778,252
Consumer    
Financing Receivable, Past Due [Line Items]    
Nonaccrual 369 110
Loans 192,216 208,205
Paycheck Protection Program    
Financing Receivable, Past Due [Line Items]    
Loans 638,800  
Portfolio Loans    
Financing Receivable, Past Due [Line Items]    
Current 4,715,190 4,290,227
Nonaccrual 21,332 20,990
Loans 4,741,953 4,317,918
Portfolio Loans | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 4,527 6,040
Portfolio Loans | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 894 553
Portfolio Loans | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 10 108
Portfolio Loans | Construction and land development    
Financing Receivable, Past Due [Line Items]    
Current 246,255 276,984
Nonaccrual 20 4,351
Loans 246,312 281,335
Portfolio Loans | Construction and land development | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0 0
Portfolio Loans | Construction and land development | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 37 0
Portfolio Loans | Construction and land development | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0 0
Portfolio Loans | Commercial real estate    
Financing Receivable, Past Due [Line Items]    
Current   1,828,629
Nonaccrual   4,356
Loans   1,834,811
Portfolio Loans | Commercial real estate | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   1,606
Portfolio Loans | Commercial real estate | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   220
Portfolio Loans | Commercial real estate | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
Portfolio Loans | Commercial real estate - owner-occupied    
Financing Receivable, Past Due [Line Items]    
Current 813,825  
Nonaccrual 2,422  
Loans 817,547  
Portfolio Loans | Commercial real estate - owner-occupied | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 850  
Portfolio Loans | Commercial real estate - owner-occupied | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 450  
Portfolio Loans | Commercial real estate - owner-occupied | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Portfolio Loans | Commercial real estate - non owner-occupied    
Financing Receivable, Past Due [Line Items]    
Current 1,012,815  
Nonaccrual 2,178  
Loans 1,014,993  
Portfolio Loans | Commercial real estate - non owner-occupied | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Portfolio Loans | Commercial real estate - non owner-occupied | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Portfolio Loans | Commercial real estate - non owner-occupied | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Portfolio Loans | Residential real estate    
Financing Receivable, Past Due [Line Items]    
Current 1,169,466 1,294,778
Nonaccrual 10,454 7,945
Loans 1,182,558 1,304,305
Portfolio Loans | Residential real estate | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 2,388 1,564
Portfolio Loans | Residential real estate | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 250 18
Portfolio Loans | Residential real estate | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0 0
Portfolio Loans | Commercial and financial    
Financing Receivable, Past Due [Line Items]    
Current 704,308 690,412
Nonaccrual 5,897 4,228
Loans 711,358 697,301
Portfolio Loans | Commercial and financial | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 995 2,553
Portfolio Loans | Commercial and financial | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 148 0
Portfolio Loans | Commercial and financial | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 10 108
Portfolio Loans | Consumer    
Financing Receivable, Past Due [Line Items]    
Current 183,944 199,424
Nonaccrual 361 110
Loans 184,608 200,166
Portfolio Loans | Consumer | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 294 317
Portfolio Loans | Consumer | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 9 315
Portfolio Loans | Consumer | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0 0
Portfolio Loans | Paycheck Protection Program    
Financing Receivable, Past Due [Line Items]    
Current 584,577  
Nonaccrual 0  
Loans 584,577  
Portfolio Loans | Paycheck Protection Program | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Portfolio Loans | Paycheck Protection Program | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Portfolio Loans | Paycheck Protection Program | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans    
Financing Receivable, Past Due [Line Items]    
Current   862,272
Nonaccrual   3,898
Loans   867,820
Acquired Non-PCD Loans | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   1,219
Acquired Non-PCD Loans | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   431
Acquired Non-PCD Loans | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
Acquired Non-PCD Loans | Construction and land development    
Financing Receivable, Past Due [Line Items]    
Current   43,044
Nonaccrual   574
Loans   43,618
Acquired Non-PCD Loans | Construction and land development | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
Acquired Non-PCD Loans | Construction and land development | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
Acquired Non-PCD Loans | Construction and land development | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
Acquired Non-PCD Loans | Commercial real estate    
Financing Receivable, Past Due [Line Items]    
Current   531,325
Nonaccrual   1,245
Loans   533,943
Acquired Non-PCD Loans | Commercial real estate | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   942
Acquired Non-PCD Loans | Commercial real estate | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   431
Acquired Non-PCD Loans | Commercial real estate | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
Acquired Non-PCD Loans | Residential real estate    
Financing Receivable, Past Due [Line Items]    
Current   201,159
Nonaccrual   412
Loans   201,848
Acquired Non-PCD Loans | Residential real estate | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   277
Acquired Non-PCD Loans | Residential real estate | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
Acquired Non-PCD Loans | Residential real estate | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
Acquired Non-PCD Loans | Commercial and financial    
Financing Receivable, Past Due [Line Items]    
Current   78,705
Nonaccrual   1,667
Loans   80,372
Acquired Non-PCD Loans | Commercial and financial | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
Acquired Non-PCD Loans | Commercial and financial | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
Acquired Non-PCD Loans | Commercial and financial | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
Acquired Non-PCD Loans | Consumer    
Financing Receivable, Past Due [Line Items]    
Current   8,039
Nonaccrual   0
Loans   8,039
Acquired Non-PCD Loans | Consumer | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
Acquired Non-PCD Loans | Consumer | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
Acquired Non-PCD Loans | Consumer | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans    
Financing Receivable, Past Due [Line Items]    
Current   10,599
Nonaccrual   2,067
Loans   12,666
PCD Loans | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Construction and land development    
Financing Receivable, Past Due [Line Items]    
Current   148
Nonaccrual   12
Loans   160
PCD Loans | Construction and land development | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Construction and land development | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Construction and land development | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Commercial real estate    
Financing Receivable, Past Due [Line Items]    
Current   9,298
Nonaccrual   919
Loans   10,217
PCD Loans | Commercial real estate | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Commercial real estate | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Commercial real estate | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Residential real estate    
Financing Receivable, Past Due [Line Items]    
Current   587
Nonaccrual   1,123
Loans   1,710
PCD Loans | Residential real estate | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Residential real estate | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Residential real estate | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Commercial and financial    
Financing Receivable, Past Due [Line Items]    
Current   566
Nonaccrual   13
Loans   579
PCD Loans | Commercial and financial | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Commercial and financial | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Commercial and financial | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Consumer    
Financing Receivable, Past Due [Line Items]    
Current   0
Nonaccrual   0
Loans   0
PCD Loans | Consumer | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Consumer | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   0
PCD Loans | Consumer | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due   $ 0
Acquired Non-PCD Loans    
Financing Receivable, Past Due [Line Items]    
Current 1,002,784  
Nonaccrual 8,609  
Loans 1,014,105  
Acquired Non-PCD Loans | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 1,434  
Acquired Non-PCD Loans | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 1,278  
Acquired Non-PCD Loans | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Construction and land development    
Financing Receivable, Past Due [Line Items]    
Current 30,146  
Nonaccrual 574  
Loans 30,720  
Acquired Non-PCD Loans | Construction and land development | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Construction and land development | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Construction and land development | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Commercial real estate - owner-occupied    
Financing Receivable, Past Due [Line Items]    
Current 266,656  
Nonaccrual 567  
Loans 267,223  
Acquired Non-PCD Loans | Commercial real estate - owner-occupied | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Commercial real estate - owner-occupied | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Commercial real estate - owner-occupied | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Commercial real estate - non owner-occupied    
Financing Receivable, Past Due [Line Items]    
Current 346,769  
Nonaccrual 1,038  
Loans 348,085  
Acquired Non-PCD Loans | Commercial real estate - non owner-occupied | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 278  
Acquired Non-PCD Loans | Commercial real estate - non owner-occupied | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Commercial real estate - non owner-occupied | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Residential real estate    
Financing Receivable, Past Due [Line Items]    
Current 193,421  
Nonaccrual 5,587  
Loans 201,221  
Acquired Non-PCD Loans | Residential real estate | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 1,156  
Acquired Non-PCD Loans | Residential real estate | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 1,057  
Acquired Non-PCD Loans | Residential real estate | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Commercial and financial    
Financing Receivable, Past Due [Line Items]    
Current 104,263  
Nonaccrual 843  
Loans 105,327  
Acquired Non-PCD Loans | Commercial and financial | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Commercial and financial | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 221  
Acquired Non-PCD Loans | Commercial and financial | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Consumer    
Financing Receivable, Past Due [Line Items]    
Current 7,306  
Nonaccrual 0  
Loans 7,306  
Acquired Non-PCD Loans | Consumer | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Consumer | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Consumer | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Paycheck Protection Program    
Financing Receivable, Past Due [Line Items]    
Current 54,223  
Nonaccrual 0  
Loans 54,223  
Acquired Non-PCD Loans | Paycheck Protection Program | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Paycheck Protection Program | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
Acquired Non-PCD Loans | Paycheck Protection Program | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans    
Financing Receivable, Past Due [Line Items]    
Current 93,542  
Nonaccrual 6,956  
Loans 101,971  
PCD Loans | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 360  
PCD Loans | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 1,113  
PCD Loans | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Construction and land development    
Financing Receivable, Past Due [Line Items]    
Current 3,568  
Nonaccrual 10  
Loans 3,578  
PCD Loans | Construction and land development | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Construction and land development | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Construction and land development | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Commercial real estate - owner-occupied    
Financing Receivable, Past Due [Line Items]    
Current 39,064  
Nonaccrual 513  
Loans 40,690  
PCD Loans | Commercial real estate - owner-occupied | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Commercial real estate - owner-occupied | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 1,113  
PCD Loans | Commercial real estate - owner-occupied | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Commercial real estate - non owner-occupied    
Financing Receivable, Past Due [Line Items]    
Current 26,380  
Nonaccrual 5,006  
Loans 31,386  
PCD Loans | Commercial real estate - non owner-occupied | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Commercial real estate - non owner-occupied | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Commercial real estate - non owner-occupied | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Residential real estate    
Financing Receivable, Past Due [Line Items]    
Current 8,495  
Nonaccrual 1,122  
Loans 9,617  
PCD Loans | Residential real estate | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Residential real estate | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Residential real estate | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Commercial and financial    
Financing Receivable, Past Due [Line Items]    
Current 15,774  
Nonaccrual 297  
Loans 16,398  
PCD Loans | Commercial and financial | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 327  
PCD Loans | Commercial and financial | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Commercial and financial | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Consumer    
Financing Receivable, Past Due [Line Items]    
Current 261  
Nonaccrual 8  
Loans 302  
PCD Loans | Consumer | Accruing 30-59 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 33  
PCD Loans | Consumer | Accruing 60-89 Days Past Due    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Consumer | Accruing Greater Than 90 Days    
Financing Receivable, Past Due [Line Items]    
Financing receivable, recorded investment, past due 0  
PCD Loans | Paycheck Protection Program    
Financing Receivable, Past Due [Line Items]    
Loans $ 0