Loans and Allowance for Loan Losses (Loan Portfolio Credit Exposure) (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
2021	$ 3,901,024	$ 8,709,446
2020	7,738,915	6,259,069
2019	5,918,165	4,981,643
2018	4,152,601	3,875,295
2017	3,160,321	2,594,349
Prior	6,023,378	4,699,763
Total loans	38,236,018	38,252,984
Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2021	2,194,270	5,241,473
2020	3,578,550	2,722,640
2019	2,494,665	2,098,769
2018	1,908,622	1,662,981
2017	1,418,852	1,130,716
Prior	2,618,168	2,015,220
Total loans	19,150,133	19,520,168
Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2021	861,261	1,344,249
2020	1,549,991	2,469,117
2019	2,506,626	2,366,966
2018	1,856,836	1,431,516
2017	1,135,264	696,471
Prior	2,020,117	1,649,986
Total loans	10,361,051	10,325,707
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	845,493	2,123,724
2020	2,610,374	1,067,312
2019	916,874	515,908
2018	387,143	780,798
2017	606,205	767,162
Prior	1,385,093	1,034,557
Total loans	$ 8,724,834	8,407,109
Maximum
Financing Receivable, Credit Quality Indicator [Line Items]
Percent of loan amount	50.00%
Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2021	$ 1,525,057	3,911,053
2020	2,276,839	1,414,417
2019	1,230,422	904,651
2018	792,774	640,754
2017	557,544	565,886
Prior	1,161,675	674,588
Total loans	12,085,534	12,410,152
Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2021	669,213	1,330,420
2020	1,301,711	1,308,223
2019	1,264,243	1,194,118
2018	1,115,848	1,022,227
2017	861,308	564,830
Prior	1,456,493	1,340,632
Total loans	7,064,599	7,110,016
Investment properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2021	644,492	1,057,929
2020	1,344,084	2,197,597
2019	2,316,794	2,200,615
2018	1,716,075	1,247,704
2017	997,856	644,017
Prior	1,852,107	1,470,998
Total loans	9,218,013	9,103,379
1-4 family properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2021	159,652	199,249
2020	136,794	95,798
2019	67,199	75,087
2018	60,833	89,704
2017	71,700	40,069
Prior	91,363	99,791
Total loans	636,344	628,695
Land and development | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2021	57,117	87,071
2020	69,113	175,722
2019	122,633	91,264
2018	79,928	94,108
2017	65,708	12,385
Prior	76,647	79,197
Total loans	506,694	593,633
Consumer mortgages | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	624,785	1,871,545
2020	1,736,088	875,730
2019	732,197	426,459
2018	317,614	679,144
2017	522,807	686,676
Prior	1,266,306	972,897
Total loans	5,200,762	5,513,491
Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	0
2020	0	0
2019	0	0
2018	0	0
2017	0	0
Prior	0	0
Total loans	1,358,211	1,537,726
Credit cards | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	0
2020	0	0
2019	0	0
2018	0	0
2017	0	0
Prior	0	0
Total loans	285,508	281,018
Other consumer loans | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	220,708	252,179
2020	874,286	191,582
2019	184,677	89,449
2018	69,529	101,654
2017	83,398	80,486
Prior	118,787	61,660
Total loans	1,880,353	1,074,874
Pass | Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2021	1,515,420	3,819,048
2020	2,149,994	1,333,460
2019	1,144,130	847,283
2018	755,925	582,612
2017	519,704	551,413
Prior	1,118,928	633,871
Total loans	11,580,910	11,920,200
Pass | Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2021	667,812	1,321,680
2020	1,293,871	1,275,435
2019	1,226,446	1,131,183
2018	1,041,975	982,056
2017	829,705	555,932
Prior	1,403,658	1,297,070
Total loans	6,851,070	6,912,922
Pass | Investment properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2021	637,057	1,055,440
2020	1,342,718	2,126,667
2019	2,226,278	1,999,345
2018	1,507,075	1,091,880
2017	872,163	483,780
Prior	1,606,709	1,301,088
Total loans	8,481,261	8,287,244
Pass | 1-4 family properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2021	157,416	197,320
2020	136,528	95,145
2019	66,762	70,267
2018	55,745	88,454
2017	70,774	38,729
Prior	88,755	97,374
Total loans	624,185	614,946
Pass | Land and development | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2021	57,117	84,985
2020	67,046	173,302
2019	120,637	83,734
2018	74,328	92,911
2017	64,803	12,249
Prior	72,639	76,380
Total loans	492,118	576,811
Pass | Consumer mortgages | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	624,582	1,871,512
2020	1,735,940	874,769
2019	730,083	425,711
2018	303,577	678,255
2017	517,050	685,810
Prior	1,227,662	965,382
Total loans	5,139,859	5,502,479
Pass | Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	0
2020	0	0
2019	0	0
2018	0	0
2017	0	0
Prior	0	0
Total loans	1,342,201	1,520,587
Pass | Credit cards | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	0
2020	0	0
2019	0	0
2018	0	0
2017	0	0
Prior	0	0
Total loans	283,887	279,142
Pass | Other consumer loans | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	220,495	252,160
2020	873,734	190,820
2019	182,445	89,187
2018	68,046	100,459
2017	80,624	80,365
Prior	118,009	61,040
Total loans	1,872,087	1,071,668
Special Mention | Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2021	1,482	63,307
2020	67,377	40,618
2019	46,077	12,723
2018	11,516	22,070
2017	17,074	1,665
Prior	3,424	5,545
Total loans	226,107	207,158
Special Mention | Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2021	680	6,170
2020	4,294	9,995
2019	11,397	10,682
2018	16,291	14,138
2017	3,326	1,582
Prior	22,395	13,768
Total loans	66,563	56,335
Special Mention | Investment properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	1,482
2020	1,032	66,160
2019	80,673	176,794
2018	152,823	136,004
2017	107,557	138,362
Prior	207,195	129,401
Total loans	606,484	703,643
Special Mention | 1-4 family properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2021	491	402
2020	158	0
2019	0	508
2018	365	109
2017	0	786
Prior	248	118
Total loans	1,262	1,923
Special Mention | Land and development | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	857
2020	834	1,995
2019	1,948	2,866
2018	2,369	282
2017	24	0
Prior	997	1,332
Total loans	6,172	7,968
Substandard | Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2021	7,706	28,698
2020	58,956	36,618
2019	37,439	24,867
2018	12,201	36,072
2017	20,766	12,808
Prior	39,323	35,172
Total loans	261,359	259,247
Substandard | Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2021	721	2,570
2020	3,546	22,793
2019	26,400	42,615
2018	51,240	26,033
2017	28,277	7,316
Prior	30,440	29,794
Total loans	140,624	131,121
Substandard | Investment properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2021	7,435	1,007
2020	334	4,770
2019	9,843	24,476
2018	56,177	19,820
2017	18,136	21,875
Prior	38,203	40,509
Total loans	130,268	112,492
Substandard | 1-4 family properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2021	1,745	1,527
2020	108	653
2019	437	4,312
2018	4,723	1,141
2017	926	554
Prior	2,360	2,299
Total loans	10,897	11,826
Substandard | Land and development | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	1,229
2020	1,233	425
2019	48	4,664
2018	3,231	915
2017	881	136
Prior	3,011	1,485
Total loans	8,404	8,854
Substandard | Consumer mortgages | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	203	33
2020	148	961
2019	2,114	748
2018	14,037	889
2017	5,757	866
Prior	38,421	7,224
Total loans	60,680	10,721
Substandard | Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	0
2020	0	0
2019	0	0
2018	0	0
2017	0	0
Prior	0	0
Total loans	15,084	15,694
Substandard | Credit cards | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	0
2020	0	0
2019	0	0
2018	0	0
2017	0	0
Prior	0	0
Total loans	409	595
Substandard | Other consumer loans | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	213	19
2020	552	762
2019	2,232	262
2018	1,483	1,195
2017	2,774	121
Prior	766	585
Total loans	8,254	3,171
Doubtful | Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2021	449	0
2020	512	3,721
2019	2,776	19,778
2018	13,132	0
2017	0	0
Prior	0	0
Total loans	17,158	23,547
Doubtful | Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	0
2020	0	0
2019	0	9,638
2018	6,342	0
2017	0	0
Prior	0	0
Total loans	6,342	9,638
Doubtful | Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	0
2020	0	0
2019	0	0
2018	0	0
2017	0	0
Prior	0	0
Total loans	18	19
Loss and Charged Off | Consumer mortgages | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	0
2020	0	0
2019	0	0
2018	0	0
2017	0	0
Prior	223	291
Total loans	223	291
Loss and Charged Off | Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	0
2020	0	0
2019	0	0
2018	0	0
2017	0	0
Prior	0	0
Total loans	908	1,426
Loss and Charged Off | Credit cards | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	0
2020	0	0
2019	0	0
2018	0	0
2017	0	0
Prior	0	0
Total loans	1,212	1,281
Loss and Charged Off | Other consumer loans | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2021	0	0
2020	0	0
2019	0	0
2018	0	0
2017	0	0
Prior	12	35
Total loans	12	35
Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	7,212,003	6,985,664
Revolving Loans Amortized Cost Basis | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	4,890,304	4,597,604
Revolving Loans Amortized Cost Basis | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	430,956	367,402
Revolving Loans Amortized Cost Basis | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,890,743	2,020,658
Revolving Loans Amortized Cost Basis | Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	4,494,521	4,248,038
Revolving Loans Amortized Cost Basis | Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	395,783	349,566
Revolving Loans Amortized Cost Basis | Investment properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	346,605	284,519
Revolving Loans Amortized Cost Basis | 1-4 family properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	48,803	28,997
Revolving Loans Amortized Cost Basis | Land and development | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	35,548	53,886
Revolving Loans Amortized Cost Basis | Consumer mortgages | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	965	1,040
Revolving Loans Amortized Cost Basis | Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,275,302	1,440,736
Revolving Loans Amortized Cost Basis | Credit cards | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	285,508	281,018
Revolving Loans Amortized Cost Basis | Other consumer loans | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	328,968	297,864
Revolving Loans Amortized Cost Basis | Pass | Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	4,332,632	4,102,751
Revolving Loans Amortized Cost Basis | Pass | Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	387,603	349,566
Revolving Loans Amortized Cost Basis | Pass | Investment properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	289,261	229,044
Revolving Loans Amortized Cost Basis | Pass | 1-4 family properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	48,205	27,657
Revolving Loans Amortized Cost Basis | Pass | Land and development | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	35,548	53,250
Revolving Loans Amortized Cost Basis | Pass | Consumer mortgages | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	965	1,040
Revolving Loans Amortized Cost Basis | Pass | Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,264,828	1,429,755
Revolving Loans Amortized Cost Basis | Pass | Credit cards | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	283,887	279,142
Revolving Loans Amortized Cost Basis | Pass | Other consumer loans | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	328,734	297,637
Revolving Loans Amortized Cost Basis | Special Mention | Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	78,717	60,741
Revolving Loans Amortized Cost Basis | Special Mention | Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	8,180	0
Revolving Loans Amortized Cost Basis | Special Mention | Investment properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	57,204	55,440
Revolving Loans Amortized Cost Basis | Special Mention | 1-4 family properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Amortized Cost Basis | Special Mention | Land and development | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	636
Revolving Loans Amortized Cost Basis | Substandard | Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	82,883	84,498
Revolving Loans Amortized Cost Basis | Substandard | Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Amortized Cost Basis | Substandard | Investment properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	140	35
Revolving Loans Amortized Cost Basis | Substandard | 1-4 family properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	598	1,340
Revolving Loans Amortized Cost Basis | Substandard | Land and development | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Amortized Cost Basis | Substandard | Consumer mortgages | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Amortized Cost Basis | Substandard | Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	9,708	9,698
Revolving Loans Amortized Cost Basis | Substandard | Credit cards | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	409	595
Revolving Loans Amortized Cost Basis | Substandard | Other consumer loans | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	234	227
Revolving Loans Amortized Cost Basis | Doubtful | Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	289	48
Revolving Loans Amortized Cost Basis | Doubtful | Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Amortized Cost Basis | Doubtful | Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Amortized Cost Basis | Loss and Charged Off | Consumer mortgages | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Amortized Cost Basis | Loss and Charged Off | Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	766	1,283
Revolving Loans Amortized Cost Basis | Loss and Charged Off | Credit cards | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,212	1,281
Revolving Loans Amortized Cost Basis | Loss and Charged Off | Other consumer loans | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	129,611	147,755
Revolving Loans Converted to Term Loans | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	46,702	50,765
Revolving Loans Converted to Term Loans | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	82,909	96,990
Revolving Loans Converted to Term Loans | Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	46,702	50,765
Revolving Loans Converted to Term Loans | Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Investment properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | 1-4 family properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Land and development | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Consumer mortgages | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	82,909	96,990
Revolving Loans Converted to Term Loans | Credit cards | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Other consumer loans | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Pass | Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	44,177	49,762
Revolving Loans Converted to Term Loans | Pass | Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Pass | Investment properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Pass | 1-4 family properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Pass | Land and development | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Pass | Consumer mortgages | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Pass | Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	77,373	90,832
Revolving Loans Converted to Term Loans | Pass | Credit cards | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Pass | Other consumer loans | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Special Mention | Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	440	489
Revolving Loans Converted to Term Loans | Special Mention | Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Special Mention | Investment properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Special Mention | 1-4 family properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Special Mention | Land and development | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Substandard | Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	2,085	514
Revolving Loans Converted to Term Loans | Substandard | Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Substandard | Investment properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Substandard | 1-4 family properties | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Substandard | Land and development | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Substandard | Consumer mortgages | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Substandard | Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	5,376	5,996
Revolving Loans Converted to Term Loans | Substandard | Credit cards | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Substandard | Other consumer loans | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Doubtful | Commercial, financial and agricultural | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Doubtful | Owner-occupied | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Doubtful | Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	18	19
Revolving Loans Converted to Term Loans | Loss and Charged Off | Consumer mortgages | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Loss and Charged Off | Home equity lines | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	142	143
Revolving Loans Converted to Term Loans | Loss and Charged Off | Credit cards | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0	0
Revolving Loans Converted to Term Loans | Loss and Charged Off | Other consumer loans | Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 0	$ 0