Loans and Allowance for Loan Losses (Loan Portfolio Credit Exposure) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
2020	$ 7,795,552
2019	6,548,989
2018	5,485,282
2017	4,481,251
2016	2,949,117
Prior	5,246,429
Total loans	39,648,824	$ 37,187,814
Deferred fees and costs, net	$ 99,000	25,400
Maximum
Financing Receivable, Credit Quality Indicator [Line Items]
Percent of loan amount	50.00%
Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		36,572,183
Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		225,218
Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		385,862
Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		1,281
Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		3,270
Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2020	$ 5,091,756
2019	2,709,233
2018	2,308,392
2017	1,811,863
2016	1,241,836
Prior	2,241,502
Total loans	20,014,151	16,769,370
Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
2020	4,133,426
2019	1,485,698
2018	1,031,148
2017	737,558
2016	587,870
Prior	863,425
Total loans	13,120,038	10,239,559
Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2020	958,330
2019	1,223,535
2018	1,277,244
2017	1,074,305
2016	653,966
Prior	1,378,077
Total loans	6,894,113	6,529,811
Total commercial and industrial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		16,313,114
Total commercial and industrial | Pass | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
2020	4,056,896
2019	1,429,402
2018	974,892
2017	667,989
2016	566,178
Prior	815,006
Total loans	12,620,403	9,927,059
Total commercial and industrial | Pass | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2020	953,513
2019	1,189,845
2018	1,212,541
2017	1,032,744
2016	643,841
Prior	1,338,513
Total loans	6,699,653	6,386,055
Total commercial and industrial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		186,836
Total commercial and industrial | Special Mention | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
2020	49,283
2019	39,929
2018	21,599
2017	33,376
2016	8,404
Prior	7,986
Total loans	224,538	128,506
Total commercial and industrial | Special Mention | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2020	3,029
2019	19,004
2018	18,746
2017	11,767
2016	3,604
Prior	7,278
Total loans	63,428	58,330
Total commercial and industrial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		268,257
Total commercial and industrial | Substandard | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
2020	27,247
2019	12,646
2018	14,879
2017	36,007
2016	12,373
Prior	40,342
Total loans	246,374	182,831
Total commercial and industrial | Substandard | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,788
2019	14,686
2018	36,319
2017	29,794
2016	6,521
Prior	32,286
Total loans	121,394	85,426
Total commercial and industrial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		1,163
Total commercial and industrial | Doubtful | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	3,721
2018	19,778
2017	186
2016	915
Prior	91
Total loans	28,723	1,163
Total commercial and industrial | Doubtful | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	9,638
2017	0
2016	0
Prior	0
Total loans	9,638	0
Total commercial and industrial | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial and industrial | Loss | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial and industrial | Loss | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2020	987,437
2019	2,644,918
2018	2,551,972
2017	1,742,008
2016	836,405
Prior	1,820,634
Total loans	10,965,875	10,493,784
Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	787,023
2019	2,310,640
2018	2,366,419
2017	1,532,611
2016	772,903
Prior	1,623,104
Total loans	9,662,447	9,004,327
Total commercial real estate | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	141,852
2019	126,990
2018	84,971
2017	96,038
2016	50,411
Prior	103,664
Total loans	655,038	780,015
Total commercial real estate | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
2020	58,562
2019	207,288
2018	100,582
2017	113,359
2016	13,091
Prior	93,866
Total loans	648,390	709,442
Total commercial real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		10,377,892
Total commercial real estate | Pass | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	784,989
2019	2,241,547
2018	2,193,526
2017	1,376,648
2016	606,029
Prior	1,404,524
Total loans	8,846,766	8,930,360
Total commercial real estate | Pass | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	139,919
2019	125,473
2018	80,610
2017	94,889
2016	49,122
Prior	100,984
Total loans	640,591	766,529
Total commercial real estate | Pass | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
2020	56,935
2019	204,012
2018	91,630
2017	106,490
2016	12,564
Prior	90,474
Total loans	620,197	681,003
Total commercial real estate | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		38,382
Total commercial real estate | Special Mention | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,222
2019	66,438
2018	147,928
2017	141,036
2016	166,053
Prior	129,887
Total loans	682,770	16,490
Total commercial real estate | Special Mention | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	419
2019	0
2018	524
2017	111
2016	800
Prior	120
Total loans	1,974	3,249
Total commercial real estate | Special Mention | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	2,172
2018	4,277
2017	5,784
2016	0
Prior	1,828
Total loans	17,611	18,643
Total commercial real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		77,510
Total commercial real estate | Substandard | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	812
2019	2,655
2018	24,965
2017	14,927
2016	821
Prior	88,693
Total loans	132,911	57,477
Total commercial real estate | Substandard | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,514
2019	1,517
2018	3,837
2017	1,038
2016	489
Prior	2,560
Total loans	12,473	10,237
Total commercial real estate | Substandard | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,627
2019	1,104
2018	4,675
2017	1,085
2016	527
Prior	1,564
Total loans	10,582	9,796
Total commercial real estate | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate | Doubtful | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate | Doubtful | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate | Doubtful | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate | Loss | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate | Loss | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total commercial real estate | Loss | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,716,359
2019	1,194,838
2018	624,918
2017	927,380
2016	870,876
Prior	1,184,293
Total loans	8,668,798	9,924,660
Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,579,415
2019	965,079
2018	482,495
2017	765,189
2016	758,007
Prior	1,107,335
Total loans	5,658,525	5,546,368
Total consumer | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	1,615,207	1,713,157
Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	264,829	268,841
Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
2020	136,944
2019	229,759
2018	142,423
2017	162,191
2016	112,869
Prior	76,958
Total loans	1,130,237	2,396,294
Total consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		9,881,177
Total consumer | Pass | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	1,579,366
2019	964,882
2018	481,718
2017	764,384
2016	755,595
Prior	1,102,091
Total loans	5,649,041	5,527,746
Total consumer | Pass | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	1,600,004	1,697,086
Total consumer | Pass | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	261,207	266,146
Total consumer | Pass | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
2020	136,944
2019	229,039
2018	142,260
2017	161,717
2016	112,805
Prior	76,244
Total loans	1,127,849	2,390,199
Total consumer | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer | Special Mention | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer | Special Mention | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer | Special Mention | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer | Special Mention | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		40,095
Total consumer | Substandard | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	49
2019	197
2018	777
2017	805
2016	2,412
Prior	5,170
Total loans	9,410	18,376
Total consumer | Substandard | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	13,776	14,806
Total consumer | Substandard | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	828	818
Total consumer | Substandard | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	720
2018	163
2017	474
2016	64
Prior	714
Total loans	2,388	6,095
Total consumer | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		118
Total consumer | Doubtful | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		97
Total consumer | Doubtful | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	19	21
Total consumer | Doubtful | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer | Doubtful | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		0
Total consumer | Loss
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		3,270
Total consumer | Loss | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	74
Total loans	74	149
Total consumer | Loss | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	1,408	1,244
Total consumer | Loss | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
2020	0
2019	0
2018	0
2017	0
2016	0
Prior	0
Total loans	2,794	1,877
Total consumer | Loss | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		$ 0
Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	6,989,122
Revolving Loans Amortized Cost Basis | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	4,548,248
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	4,219,592
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	328,656
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Pass | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	4,049,741
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Pass | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	328,656
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Special Mention | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	63,455
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Special Mention | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Substandard | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	102,364
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Substandard | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Doubtful | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	4,032
Revolving Loans Amortized Cost Basis | Total commercial and industrial | Doubtful | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	382,501
Revolving Loans Amortized Cost Basis | Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	269,747
Revolving Loans Amortized Cost Basis | Total commercial real estate | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	51,112
Revolving Loans Amortized Cost Basis | Total commercial real estate | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	61,642
Revolving Loans Amortized Cost Basis | Total commercial real estate | Pass | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	239,503
Revolving Loans Amortized Cost Basis | Total commercial real estate | Pass | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	49,594
Revolving Loans Amortized Cost Basis | Total commercial real estate | Pass | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	58,092
Revolving Loans Amortized Cost Basis | Total commercial real estate | Special Mention | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	30,206
Revolving Loans Amortized Cost Basis | Total commercial real estate | Special Mention | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total commercial real estate | Special Mention | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	3,550
Revolving Loans Amortized Cost Basis | Total commercial real estate | Substandard | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	38
Revolving Loans Amortized Cost Basis | Total commercial real estate | Substandard | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,518
Revolving Loans Amortized Cost Basis | Total commercial real estate | Substandard | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	2,058,373
Revolving Loans Amortized Cost Basis | Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,005
Revolving Loans Amortized Cost Basis | Total consumer | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,523,446
Revolving Loans Amortized Cost Basis | Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	264,829
Revolving Loans Amortized Cost Basis | Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	269,093
Revolving Loans Amortized Cost Basis | Total consumer | Pass | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,005
Revolving Loans Amortized Cost Basis | Total consumer | Pass | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,513,600
Revolving Loans Amortized Cost Basis | Total consumer | Pass | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	261,207
Revolving Loans Amortized Cost Basis | Total consumer | Pass | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	268,840
Revolving Loans Amortized Cost Basis | Total consumer | Substandard | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total consumer | Substandard | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	8,603
Revolving Loans Amortized Cost Basis | Total consumer | Substandard | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	828
Revolving Loans Amortized Cost Basis | Total consumer | Substandard | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	253
Revolving Loans Amortized Cost Basis | Total consumer | Doubtful | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total consumer | Loss | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Amortized Cost Basis | Total consumer | Loss | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,243
Revolving Loans Amortized Cost Basis | Total consumer | Loss | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	2,794
Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	153,082
Revolving Loans Converted to Term Loans | Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	61,321
Revolving Loans Converted to Term Loans | Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	61,321
Revolving Loans Converted to Term Loans | Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial and industrial | Pass | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	60,299
Revolving Loans Converted to Term Loans | Total commercial and industrial | Pass | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial and industrial | Special Mention | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	506
Revolving Loans Converted to Term Loans | Total commercial and industrial | Special Mention | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial and industrial | Substandard | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	516
Revolving Loans Converted to Term Loans | Total commercial and industrial | Substandard | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial and industrial | Doubtful | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial and industrial | Doubtful | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Pass | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Pass | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Pass | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Special Mention | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Special Mention | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Special Mention | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Substandard | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Substandard | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total commercial real estate | Substandard | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	91,761
Revolving Loans Converted to Term Loans | Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	91,761
Revolving Loans Converted to Term Loans | Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Pass | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Pass | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	86,404
Revolving Loans Converted to Term Loans | Total consumer | Pass | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Pass | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Substandard | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Substandard | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	5,173
Revolving Loans Converted to Term Loans | Total consumer | Substandard | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Substandard | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Doubtful | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	19
Revolving Loans Converted to Term Loans | Total consumer | Loss | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0
Revolving Loans Converted to Term Loans | Total consumer | Loss | Home equity lines
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	165
Revolving Loans Converted to Term Loans | Total consumer | Loss | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 0