Purchased Loans - Loan Portfolio by Risk-Rating Grades (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	$ 11,084,738	$ 9,689,638
Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	2,648,062	1,367,972
Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	773,119	826,483
Real estate – 1-4 family mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	2,760,394	2,866,613
Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	4,577,009	4,244,265
Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	243,226	384,305
Purchased loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	1,660,514	2,101,664
Purchased loans | Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	727
2018	138,663
2017	210,903
2016	225,457
Prior	547,346
Revolving Loans	89,785
Revolving Loans Converted to Term	6,649
Total loans, net of unearned income	1,219,530
Purchased loans | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	727
2018	96,421
2017	167,570
2016	155,573
Prior	434,295
Revolving Loans	69,250
Revolving Loans Converted to Term	628
Total loans, net of unearned income	924,464	1,296,372
Purchased loans | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	11,475
2017	27,154
2016	43,436
Prior	65,416
Revolving Loans	788
Revolving Loans Converted to Term	4,682
Total loans, net of unearned income	152,951	64,291
Purchased loans | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	30,767
2017	16,179
2016	26,448
Prior	47,635
Revolving Loans	19,747
Revolving Loans Converted to Term	1,339
Total loans, net of unearned income	142,115	24,990
Purchased loans | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	714
2018	44,341
2017	61,816
2016	35,201
Prior	200,256
Revolving Loans	96,395
Revolving Loans Converted to Term	2,261
Total loans, net of unearned income	440,984
Purchased loans | Internal Noninvestment Grade
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		1,385,653
Purchased loans | Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	202,768	315,619
Purchased loans | Commercial, financial, agricultural | Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	727
2018	36,120
2017	33,922
2016	29,041
Prior	25,136
Revolving Loans	65,214
Revolving Loans Converted to Term	1,712
Total loans, net of unearned income	191,872
Purchased loans | Commercial, financial, agricultural | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	727
2018	23,006
2017	25,516
2016	22,081
Prior	20,778
Revolving Loans	55,670
Revolving Loans Converted to Term	628
Total loans, net of unearned income	148,406	259,760
Purchased loans | Commercial, financial, agricultural | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	10
2017	1,270
2016	1,499
Prior	584
Revolving Loans	676
Revolving Loans Converted to Term	0
Total loans, net of unearned income	4,039	7,166
Purchased loans | Commercial, financial, agricultural | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	13,104
2017	7,136
2016	5,461
Prior	3,774
Revolving Loans	8,868
Revolving Loans Converted to Term	1,084
Total loans, net of unearned income	39,427	5,220
Purchased loans | Commercial, financial, agricultural | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	491
2017	355
2016	330
Prior	2,846
Revolving Loans	6,825
Revolving Loans Converted to Term	49
Total loans, net of unearned income	10,896
Purchased loans | Commercial, financial, agricultural | Internal Noninvestment Grade
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		272,146
Purchased loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	34,246	51,582
Purchased loans | Real estate – construction: | Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	10,887
2017	9,268
2016	14,091
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	34,246
Purchased loans | Real estate – construction: | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		48,994
Purchased loans | Real estate – construction: | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		0
Purchased loans | Real estate – construction: | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		0
Purchased loans | Real estate – construction: | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	0
Purchased loans | Real estate – construction: | Internal Noninvestment Grade
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		48,994
Purchased loans | Real estate – construction: | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	3,093	16,407
Purchased loans | Real estate – construction: | Residential | Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	2,203
2017	207
2016	683
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	3,093
Purchased loans | Real estate – construction: | Residential | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	2,203
2017	207
2016	683
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	3,093
Purchased loans | Real estate – construction: | Residential | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	0
Purchased loans | Real estate – construction: | Residential | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	0
Purchased loans | Real estate – construction: | Residential | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	0
Purchased loans | Real estate – construction: | Commercial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	31,153	35,175
Purchased loans | Real estate – construction: | Commercial | Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	8,684
2017	9,061
2016	13,408
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	31,153
Purchased loans | Real estate – construction: | Commercial | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	8,684
2017	9,061
2016	13,408
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	31,153
Purchased loans | Real estate – construction: | Commercial | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	0
Purchased loans | Real estate – construction: | Commercial | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	0
Purchased loans | Real estate – 1-4 family mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	391,102	516,487
Purchased loans | Real estate – 1-4 family mortgage | Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	14,029
2017	9,639
2016	2,012
Prior	40,034
Revolving Loans	2,653
Revolving Loans Converted to Term	253
Total loans, net of unearned income	68,620
Purchased loans | Real estate – 1-4 family mortgage | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		78,105
Purchased loans | Real estate – 1-4 family mortgage | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		791
Purchased loans | Real estate – 1-4 family mortgage | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		3,935
Purchased loans | Real estate – 1-4 family mortgage | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	375
2018	3,264
2017	43,061
2016	32,608
Prior	156,497
Revolving Loans	84,500
Revolving Loans Converted to Term	2,177
Total loans, net of unearned income	322,482
Purchased loans | Real estate – 1-4 family mortgage | Internal Noninvestment Grade
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		82,831
Purchased loans | Real estate – 1-4 family mortgage | Primary
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	245,369	332,729
Purchased loans | Real estate – 1-4 family mortgage | Primary | Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	7,734
2017	5,163
2016	611
Prior	17,809
Revolving Loans	249
Revolving Loans Converted to Term	0
Total loans, net of unearned income	31,566
Purchased loans | Real estate – 1-4 family mortgage | Primary | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	6,438
2017	5,163
2016	604
Prior	12,904
Revolving Loans	249
Revolving Loans Converted to Term	0
Total loans, net of unearned income	25,358
Purchased loans | Real estate – 1-4 family mortgage | Primary | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	314
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	314
Purchased loans | Real estate – 1-4 family mortgage | Primary | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	1,296
2017	0
2016	7
Prior	4,591
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	5,894
Purchased loans | Real estate – 1-4 family mortgage | Primary | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	250
2018	2,029
2017	38,366
2016	30,249
Prior	142,336
Revolving Loans	461
Revolving Loans Converted to Term	112
Total loans, net of unearned income	213,803
Purchased loans | Real estate – 1-4 family mortgage | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	95,235	117,275
Purchased loans | Real estate – 1-4 family mortgage | Home equity | Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	943
Revolving Loans Converted to Term	253
Total loans, net of unearned income	1,196
Purchased loans | Real estate – 1-4 family mortgage | Home equity | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	221
Revolving Loans Converted to Term	0
Total loans, net of unearned income	221
Purchased loans | Real estate – 1-4 family mortgage | Home equity | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	0
Purchased loans | Real estate – 1-4 family mortgage | Home equity | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	722
Revolving Loans Converted to Term	253
Total loans, net of unearned income	975
Purchased loans | Real estate – 1-4 family mortgage | Home equity | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	744
2017	4,472
2016	1,799
Prior	1,040
Revolving Loans	83,919
Revolving Loans Converted to Term	2,065
Total loans, net of unearned income	94,039
Purchased loans | Real estate – 1-4 family mortgage | Rental/investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	33,567	43,169
Purchased loans | Real estate – 1-4 family mortgage | Rental/investment | Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	1,904
2016	316
Prior	19,013
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	21,233
Purchased loans | Real estate – 1-4 family mortgage | Rental/investment | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	1,904
2016	316
Prior	16,511
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	18,731
Purchased loans | Real estate – 1-4 family mortgage | Rental/investment | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	201
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	201
Purchased loans | Real estate – 1-4 family mortgage | Rental/investment | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	2,301
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	2,301
Purchased loans | Real estate – 1-4 family mortgage | Rental/investment | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	125
2018	0
2017	150
2016	203
Prior	11,736
Revolving Loans	120
Revolving Loans Converted to Term	0
Total loans, net of unearned income	12,334
Purchased loans | Real estate – 1-4 family mortgage | Land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	16,931	23,314
Purchased loans | Real estate – 1-4 family mortgage | Land development | Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	6,295
2017	2,572
2016	1,085
Prior	3,212
Revolving Loans	1,461
Revolving Loans Converted to Term	0
Total loans, net of unearned income	14,625
Purchased loans | Real estate – 1-4 family mortgage | Land development | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	6,295
2017	2,549
2016	1,085
Prior	1,842
Revolving Loans	1,461
Revolving Loans Converted to Term	0
Total loans, net of unearned income	13,232
Purchased loans | Real estate – 1-4 family mortgage | Land development | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	0
Purchased loans | Real estate – 1-4 family mortgage | Land development | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	23
2016	0
Prior	1,370
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	1,393
Purchased loans | Real estate – 1-4 family mortgage | Land development | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	491
2017	73
2016	357
Prior	1,385
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	2,306
Purchased loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	966,367	1,115,389
Purchased loans | Real estate – commercial mortgage: | Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	77,627
2017	158,074
2016	180,313
Prior	482,175
Revolving Loans	21,918
Revolving Loans Converted to Term	4,684
Total loans, net of unearned income	924,791
Purchased loans | Real estate – commercial mortgage: | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		909,513
Purchased loans | Real estate – commercial mortgage: | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		56,334
Purchased loans | Real estate – commercial mortgage: | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		15,835
Purchased loans | Real estate – commercial mortgage: | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	339
2018	620
2017	1,339
2016	998
Prior	36,416
Revolving Loans	1,864
Revolving Loans Converted to Term	0
Total loans, net of unearned income	41,576
Purchased loans | Real estate – commercial mortgage: | Internal Noninvestment Grade
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		981,682
Purchased loans | Real estate – commercial mortgage: | Land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	32,694
Purchased loans | Real estate – commercial mortgage: | Land development | Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	6,539
2017	4,303
2016	2,966
Prior	13,558
Revolving Loans	178
Revolving Loans Converted to Term	0
Total loans, net of unearned income	27,544
Purchased loans | Real estate – commercial mortgage: | Land development | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	5,665
2017	4,249
2016	2,785
Prior	6,000
Revolving Loans	66
Revolving Loans Converted to Term	0
Total loans, net of unearned income	18,765
Purchased loans | Real estate – commercial mortgage: | Land development | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	874
2017	54
2016	44
Prior	6,141
Revolving Loans	112
Revolving Loans Converted to Term	0
Total loans, net of unearned income	7,225
Purchased loans | Real estate – commercial mortgage: | Land development | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	137
Prior	1,417
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	1,554
Purchased loans | Real estate – commercial mortgage: | Land development | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	157
2017	334
2016	261
Prior	4,105
Revolving Loans	293
Revolving Loans Converted to Term	0
Total loans, net of unearned income	5,150
Purchased loans | Real estate – commercial mortgage: | Owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	355,994	428,077
Purchased loans | Real estate – commercial mortgage: | Owner-occupied | Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	14,819
2017	34,515
2016	63,851
Prior	204,177
Revolving Loans	15,144
Revolving Loans Converted to Term	2
Total loans, net of unearned income	332,508
Purchased loans | Real estate – commercial mortgage: | Owner-occupied | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	12,732
2017	31,558
2016	44,681
Prior	157,159
Revolving Loans	4,987
Revolving Loans Converted to Term	0
Total loans, net of unearned income	251,117
Purchased loans | Real estate – commercial mortgage: | Owner-occupied | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	2,087
2017	1,615
2016	11,202
Prior	24,427
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	39,331
Purchased loans | Real estate – commercial mortgage: | Owner-occupied | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	1,342
2016	7,968
Prior	22,591
Revolving Loans	10,157
Revolving Loans Converted to Term	2
Total loans, net of unearned income	42,060
Purchased loans | Real estate – commercial mortgage: | Owner-occupied | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	955
2016	670
Prior	20,457
Revolving Loans	1,404
Revolving Loans Converted to Term	0
Total loans, net of unearned income	23,486
Purchased loans | Real estate – commercial mortgage: | Non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	577,679	647,308
Purchased loans | Real estate – commercial mortgage: | Non-owner occupied | Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	56,269
2017	119,256
2016	113,496
Prior	264,440
Revolving Loans	6,596
Revolving Loans Converted to Term	4,682
Total loans, net of unearned income	564,739
Purchased loans | Real estate – commercial mortgage: | Non-owner occupied | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	31,398
2017	87,363
2016	69,930
Prior	219,100
Revolving Loans	6,596
Revolving Loans Converted to Term	0
Total loans, net of unearned income	414,387
Purchased loans | Real estate – commercial mortgage: | Non-owner occupied | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	8,504
2017	24,215
2016	30,691
Prior	33,749
Revolving Loans	0
Revolving Loans Converted to Term	4,682
Total loans, net of unearned income	101,841
Purchased loans | Real estate – commercial mortgage: | Non-owner occupied | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	16,367
2017	7,678
2016	12,875
Prior	11,591
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	48,511
Purchased loans | Real estate – commercial mortgage: | Non-owner occupied | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	339
2018	463
2017	50
2016	67
Prior	11,854
Revolving Loans	167
Revolving Loans Converted to Term	0
Total loans, net of unearned income	12,940
Purchased loans | Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income	66,031	102,587
Purchased loans | Installment loans to individuals | Pass
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		0
Purchased loans | Installment loans to individuals | Pass-Watch
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		0
Purchased loans | Installment loans to individuals | Substandard
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		0
Purchased loans | Installment loans to individuals | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	39,966
2017	17,061
2016	1,265
Prior	4,497
Revolving Loans	3,206
Revolving Loans Converted to Term	35
Total loans, net of unearned income	66,030
Purchased loans | Installment loans to individuals | Internal Noninvestment Grade
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		0
Performing | Purchased loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		539,747
Performing | Purchased loans | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	714
2018	44,165
2017	60,936
2016	34,862
Prior	194,923
Revolving Loans	95,750
Revolving Loans Converted to Term	1,750
Total loans, net of unearned income	433,100
Performing | Purchased loans | Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		13,935
Performing | Purchased loans | Commercial, financial, agricultural | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	491
2017	355
2016	330
Prior	2,846
Revolving Loans	6,825
Revolving Loans Converted to Term	49
Total loans, net of unearned income	10,896
Performing | Purchased loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		1,725
Performing | Purchased loans | Real estate – construction: | Residential | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	0
Performing | Purchased loans | Real estate – 1-4 family mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		394,476
Performing | Purchased loans | Real estate – 1-4 family mortgage | Primary | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	250
2018	1,918
2017	37,605
2016	30,227
Prior	137,837
Revolving Loans	461
Revolving Loans Converted to Term	26
Total loans, net of unearned income	208,324
Performing | Purchased loans | Real estate – 1-4 family mortgage | Home equity | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	744
2017	4,472
2016	1,799
Prior	973
Revolving Loans	83,274
Revolving Loans Converted to Term	1,640
Total loans, net of unearned income	92,902
Performing | Purchased loans | Real estate – 1-4 family mortgage | Rental/investment | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	125
2018	0
2017	150
2016	203
Prior	11,632
Revolving Loans	120
Revolving Loans Converted to Term	0
Total loans, net of unearned income	12,230
Performing | Purchased loans | Real estate – 1-4 family mortgage | Land development | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	491
2017	30
2016	118
Prior	1,385
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	2,024
Performing | Purchased loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		30,472
Performing | Purchased loans | Real estate – commercial mortgage: | Land development | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	157
2017	334
2016	261
Prior	4,044
Revolving Loans	293
Revolving Loans Converted to Term	0
Total loans, net of unearned income	5,089
Performing | Purchased loans | Real estate – commercial mortgage: | Owner-occupied | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	955
2016	670
Prior	20,175
Revolving Loans	1,404
Revolving Loans Converted to Term	0
Total loans, net of unearned income	23,204
Performing | Purchased loans | Real estate – commercial mortgage: | Non-owner occupied | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	339
2018	463
2017	50
2016	67
Prior	11,656
Revolving Loans	167
Revolving Loans Converted to Term	0
Total loans, net of unearned income	12,742
Performing | Purchased loans | Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		99,139
Performing | Purchased loans | Installment loans to individuals | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	39,901
2017	16,985
2016	1,187
Prior	4,375
Revolving Loans	3,206
Revolving Loans Converted to Term	35
Total loans, net of unearned income	65,689
Non- Performing | Purchased loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		4,000
Non- Performing | Purchased loans | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	176
2017	880
2016	339
Prior	5,333
Revolving Loans	645
Revolving Loans Converted to Term	511
Total loans, net of unearned income	7,884
Non- Performing | Purchased loans | Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		0
Non- Performing | Purchased loans | Commercial, financial, agricultural | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	0
Non- Performing | Purchased loans | Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		0
Non- Performing | Purchased loans | Real estate – construction: | Residential | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	0
Non- Performing | Purchased loans | Real estate – 1-4 family mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		3,638
Non- Performing | Purchased loans | Real estate – 1-4 family mortgage | Primary | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	111
2017	761
2016	22
Prior	4,499
Revolving Loans	0
Revolving Loans Converted to Term	86
Total loans, net of unearned income	5,479
Non- Performing | Purchased loans | Real estate – 1-4 family mortgage | Home equity | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	67
Revolving Loans	645
Revolving Loans Converted to Term	425
Total loans, net of unearned income	1,137
Non- Performing | Purchased loans | Real estate – 1-4 family mortgage | Rental/investment | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	104
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	104
Non- Performing | Purchased loans | Real estate – 1-4 family mortgage | Land development | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	43
2016	239
Prior	0
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	282
Non- Performing | Purchased loans | Real estate – commercial mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		101
Non- Performing | Purchased loans | Real estate – commercial mortgage: | Land development | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	61
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	61
Non- Performing | Purchased loans | Real estate – commercial mortgage: | Owner-occupied | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	282
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	282
Non- Performing | Purchased loans | Real estate – commercial mortgage: | Non-owner occupied | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	198
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	198
Non- Performing | Purchased loans | Installment loans to individuals
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans, net of unearned income		$ 261
Non- Performing | Purchased loans | Installment loans to individuals | Not Subject to Credit Risk Assessment
Accounts, Notes, Loans and Financing Receivable [Line Items]
2020	0
2019	0
2018	65
2017	76
2016	78
Prior	122
Revolving Loans	0
Revolving Loans Converted to Term	0
Total loans, net of unearned income	$ 341