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Loans and Allowance for Loan Losses - Schedule of Loan Portfolio Class by Risk Grade and Origination Year (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	$ 1,151,266		$ 3,516,478
Term loans amortized cost basis by origination, before current fiscal year	3,434,672		3,605,979
Term loans amortized cost basis by origination, two years before current fiscal year	3,538,007		6,748,428
Term loans amortized cost basis by origination, three years before current fiscal year	6,618,000		6,421,195
Term loans amortized cost basis by origination, four years before current fiscal year	6,076,594		3,779,646
Term loans amortized cost basis by origination, prior	10,709,605		7,400,153
Amortized Cost Basis	10,630,993		10,621,961
Converted to Term Loans	489,601		515,188
Total loans	42,648,738		42,609,028
Gross charge-offs
Year One	0		8,272
Year Two	535		20,429
Year Three	1,625		9,696
Year Four	1,109		21,447
Year Five	11,069		4,769
Prior	5,683		29,369
Amortized Cost Basis	7,104		66,860
Converted to Term Loans	22		106
Total	27,147	$ 50,568	160,948
Total consumer
Gross charge-offs
Total	7,368	$ 8,914
Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	518,917		1,918,902
Term loans amortized cost basis by origination, before current fiscal year	1,856,417		2,024,538
Term loans amortized cost basis by origination, two years before current fiscal year	1,915,626		2,385,222
Term loans amortized cost basis by origination, three years before current fiscal year	2,331,259		2,480,840
Term loans amortized cost basis by origination, four years before current fiscal year	2,294,387		1,627,809
Term loans amortized cost basis by origination, prior	4,781,337		3,341,160
Amortized Cost Basis	8,551,364		8,470,369
Converted to Term Loans	64,032		82,289
Total loans	22,313,339		22,331,129
Gross charge-offs
Year One	0		7,696
Year Two	100		16,575
Year Three	309		4,329
Year Four	311		9,091
Year Five	538		2,564
Prior	4,276		21,971
Amortized Cost Basis	4,820		57,162
Converted to Term Loans	0		0
Total	10,354		119,388
Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	349,472		1,223,336
Term loans amortized cost basis by origination, before current fiscal year	1,133,675		1,034,641
Term loans amortized cost basis by origination, two years before current fiscal year	975,307		816,396
Term loans amortized cost basis by origination, three years before current fiscal year	782,153		1,234,324
Term loans amortized cost basis by origination, four years before current fiscal year	1,116,072		671,055
Term loans amortized cost basis by origination, prior	2,269,827		1,642,005
Amortized Cost Basis	7,921,174		7,794,946
Converted to Term Loans	64,032		82,289
Total loans	14,611,712		14,498,992
Gross charge-offs
Year One	0		7,696
Year Two	100		16,499
Year Three	309		3,786
Year Four	300		8,787
Year Five	538		997
Prior	1,021		4,413
Amortized Cost Basis	4,820		53,736
Converted to Term Loans	0		0
Total	7,088		95,914
Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	169,445		695,566
Term loans amortized cost basis by origination, before current fiscal year	722,742		989,897
Term loans amortized cost basis by origination, two years before current fiscal year	940,319		1,568,826
Term loans amortized cost basis by origination, three years before current fiscal year	1,549,106		1,246,516
Term loans amortized cost basis by origination, four years before current fiscal year	1,178,315		956,754
Term loans amortized cost basis by origination, prior	2,511,510		1,699,155
Amortized Cost Basis	630,190		675,423
Converted to Term Loans	0		0
Total loans	7,701,627		7,832,137
Gross charge-offs
Year One	0		0
Year Two	0		76
Year Three	0		543
Year Four	11		304
Year Five	0		1,567
Prior	3,255		17,558
Amortized Cost Basis	0		3,426
Converted to Term Loans	0		0
Total	3,266		23,474
Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	442,198		989,849
Term loans amortized cost basis by origination, before current fiscal year	1,006,172		815,592
Term loans amortized cost basis by origination, two years before current fiscal year	881,102		3,566,392
Term loans amortized cost basis by origination, three years before current fiscal year	3,515,923		2,838,854
Term loans amortized cost basis by origination, four years before current fiscal year	2,714,446		934,216
Term loans amortized cost basis by origination, prior	3,318,043		2,587,280
Amortized Cost Basis	193,674		282,436
Converted to Term Loans	0		0
Total loans	12,071,558		12,014,619
Gross charge-offs
Year One	0		0
Year Two	0		103
Year Three	1		527
Year Four	0		4,752
Year Five	9,424		35
Prior	0		4,767
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total	9,425		10,184
Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	381,876		774,358
Term loans amortized cost basis by origination, before current fiscal year	820,698		646,708
Term loans amortized cost basis by origination, two years before current fiscal year	729,563		3,414,450
Term loans amortized cost basis by origination, three years before current fiscal year	3,372,217		2,730,301
Term loans amortized cost basis by origination, four years before current fiscal year	2,609,325		899,829
Term loans amortized cost basis by origination, prior	3,199,366		2,488,098
Amortized Cost Basis	152,856		227,460
Converted to Term Loans	0		0
Total loans	11,265,901		11,181,204
Gross charge-offs
Year One	0		0
Year Two	0		0
Year Three	0		527
Year Four	0		4,752
Year Five	9,424		0
Prior	0		4,602
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total	9,424		9,881
Total commercial real estate | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	41,530		159,927
Term loans amortized cost basis by origination, before current fiscal year	135,555		79,934
Term loans amortized cost basis by origination, two years before current fiscal year	72,033		97,728
Term loans amortized cost basis by origination, three years before current fiscal year	92,385		82,526
Term loans amortized cost basis by origination, four years before current fiscal year	79,539		29,301
Term loans amortized cost basis by origination, prior	76,022		56,324
Amortized Cost Basis	16,374		40,178
Converted to Term Loans	0		0
Total loans	513,438		545,918
Gross charge-offs
Year One	0		0
Year Two	0		103
Year Three	1		0
Year Four	0		0
Year Five	0		0
Prior	0		143
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total	1		246
Total commercial real estate | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	18,792		55,564
Term loans amortized cost basis by origination, before current fiscal year	49,919		88,950
Term loans amortized cost basis by origination, two years before current fiscal year	79,506		54,214
Term loans amortized cost basis by origination, three years before current fiscal year	51,321		26,027
Term loans amortized cost basis by origination, four years before current fiscal year	25,582		5,086
Term loans amortized cost basis by origination, prior	42,655		42,858
Amortized Cost Basis	24,444		14,798
Converted to Term Loans	0		0
Total loans	292,219		287,497
Gross charge-offs
Year One	0		0
Year Two	0		0
Year Three	0		0
Year Four	0		0
Year Five	0		35
Prior	0		22
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total	0		57
Total consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	190,151		607,727
Term loans amortized cost basis by origination, before current fiscal year	572,083		765,849
Term loans amortized cost basis by origination, two years before current fiscal year	741,279		796,814
Term loans amortized cost basis by origination, three years before current fiscal year	770,818		1,101,501
Term loans amortized cost basis by origination, four years before current fiscal year	1,067,761		1,217,621
Term loans amortized cost basis by origination, prior	2,610,225		1,471,713
Amortized Cost Basis	1,885,955		1,869,156
Converted to Term Loans	425,569		432,899
Total loans	8,263,841		8,263,280
Gross charge-offs
Year One	0		576
Year Two	435		3,751
Year Three	1,315		4,840
Year Four	798		7,604
Year Five	1,107		2,170
Prior	1,407		2,631
Amortized Cost Basis	2,284		9,698
Converted to Term Loans	22		106
Total	7,368		31,376
Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	103,663		457,366
Term loans amortized cost basis by origination, before current fiscal year	453,806		683,716
Term loans amortized cost basis by origination, two years before current fiscal year	665,279		676,242
Term loans amortized cost basis by origination, three years before current fiscal year	661,167		954,512
Term loans amortized cost basis by origination, four years before current fiscal year	934,049		1,137,528
Term loans amortized cost basis by origination, prior	2,451,516		1,379,387
Amortized Cost Basis	25		25
Converted to Term Loans	0		0
Total loans	5,269,505		5,288,776
Gross charge-offs
Year One	0		0
Year Two	0		11
Year Three	0		0
Year Four	30		3
Year Five	5		30
Prior	18		122
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total	53		166
Total consumer | Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0
Term loans amortized cost basis by origination, prior	0		0
Amortized Cost Basis	1,413,616		1,398,388
Converted to Term Loans	425,569		432,899
Total loans	1,839,185		1,831,287
Gross charge-offs
Year One	0		0
Year Two	0		0
Year Three	0		0
Year Four	0		0
Year Five	0		0
Prior	0		0
Amortized Cost Basis	0		230
Converted to Term Loans	22		106
Total	22		336
Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0
Term loans amortized cost basis by origination, prior	0		0
Amortized Cost Basis	178,522		185,871
Converted to Term Loans	0		0
Total loans	178,522		185,871
Gross charge-offs
Year One	0		0
Year Two	0		0
Year Three	0		0
Year Four	0		0
Year Five	0		0
Prior	0		0
Amortized Cost Basis	1,779		7,153
Converted to Term Loans	0		0
Total	1,779		7,153
Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	86,488		150,361
Term loans amortized cost basis by origination, before current fiscal year	118,277		82,133
Term loans amortized cost basis by origination, two years before current fiscal year	76,000		120,572
Term loans amortized cost basis by origination, three years before current fiscal year	109,651		146,989
Term loans amortized cost basis by origination, four years before current fiscal year	133,712		80,093
Term loans amortized cost basis by origination, prior	158,709		92,326
Amortized Cost Basis	293,792		284,872
Converted to Term Loans	0		0
Total loans	976,629		957,346
Gross charge-offs
Year One	0		576
Year Two	435		3,740
Year Three	1,315		4,840
Year Four	768		7,601
Year Five	1,102		2,140
Prior	1,389		2,509
Amortized Cost Basis	505		2,315
Converted to Term Loans	0		0
Total	5,514		23,721
Pass | Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	334,736		1,200,861
Term loans amortized cost basis by origination, before current fiscal year	1,111,284		1,001,989
Term loans amortized cost basis by origination, two years before current fiscal year	947,329		739,134
Term loans amortized cost basis by origination, three years before current fiscal year	705,620		1,195,316
Term loans amortized cost basis by origination, four years before current fiscal year	1,085,571		629,109
Term loans amortized cost basis by origination, prior	2,175,795		1,586,291
Amortized Cost Basis	7,523,086		7,372,228
Converted to Term Loans	64,032		81,796
Total loans	13,947,453		13,806,724
Pass | Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	169,162		691,899
Term loans amortized cost basis by origination, before current fiscal year	719,097		981,593
Term loans amortized cost basis by origination, two years before current fiscal year	927,899		1,468,946
Term loans amortized cost basis by origination, three years before current fiscal year	1,449,030		1,220,421
Term loans amortized cost basis by origination, four years before current fiscal year	1,131,661		872,744
Term loans amortized cost basis by origination, prior	2,380,680		1,621,387
Amortized Cost Basis	587,398		619,519
Converted to Term Loans	0		0
Total loans	7,364,927		7,476,509
Pass | Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	366,007		769,775
Term loans amortized cost basis by origination, before current fiscal year	815,802		642,808
Term loans amortized cost basis by origination, two years before current fiscal year	725,695		3,306,914
Term loans amortized cost basis by origination, three years before current fiscal year	3,245,510		2,406,325
Term loans amortized cost basis by origination, four years before current fiscal year	2,353,982		898,363
Term loans amortized cost basis by origination, prior	3,107,243		2,405,650
Amortized Cost Basis	152,856		227,460
Converted to Term Loans	0		0
Total loans	10,767,095		10,657,295
Pass | Total commercial real estate | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	41,171		159,008
Term loans amortized cost basis by origination, before current fiscal year	134,661		79,094
Term loans amortized cost basis by origination, two years before current fiscal year	71,215		95,050
Term loans amortized cost basis by origination, three years before current fiscal year	88,490		81,630
Term loans amortized cost basis by origination, four years before current fiscal year	79,289		28,845
Term loans amortized cost basis by origination, prior	72,449		53,167
Amortized Cost Basis	16,329		40,133
Converted to Term Loans	0		0
Total loans	503,604		536,927
Pass | Total commercial real estate | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	18,792		55,564
Term loans amortized cost basis by origination, before current fiscal year	49,919		87,465
Term loans amortized cost basis by origination, two years before current fiscal year	77,460		54,214
Term loans amortized cost basis by origination, three years before current fiscal year	51,303		26,002
Term loans amortized cost basis by origination, four years before current fiscal year	25,534		4,933
Term loans amortized cost basis by origination, prior	41,418		41,749
Amortized Cost Basis	24,444		14,798
Converted to Term Loans	0		0
Total loans	288,870		284,725
Pass | Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	103,663		457,176
Term loans amortized cost basis by origination, before current fiscal year	453,616		681,844
Term loans amortized cost basis by origination, two years before current fiscal year	662,938		670,652
Term loans amortized cost basis by origination, three years before current fiscal year	654,938		947,395
Term loans amortized cost basis by origination, four years before current fiscal year	926,791		1,119,610
Term loans amortized cost basis by origination, prior	2,401,406		1,341,463
Amortized Cost Basis	25		25
Converted to Term Loans	0		0
Total loans	5,203,377		5,218,165
Pass | Total consumer | Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0
Term loans amortized cost basis by origination, prior	0		0
Amortized Cost Basis	1,400,710		1,386,370
Converted to Term Loans	416,516		424,891
Total loans	1,817,226		1,811,261
Pass | Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0
Term loans amortized cost basis by origination, prior	0		0
Amortized Cost Basis	176,828		184,061
Converted to Term Loans	0		0
Total loans	176,828		184,061
Pass | Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	86,488		150,051
Term loans amortized cost basis by origination, before current fiscal year	117,803		81,087
Term loans amortized cost basis by origination, two years before current fiscal year	74,976		119,274
Term loans amortized cost basis by origination, three years before current fiscal year	108,309		144,297
Term loans amortized cost basis by origination, four years before current fiscal year	131,284		78,961
Term loans amortized cost basis by origination, prior	157,232		91,802
Amortized Cost Basis	293,718		284,801
Converted to Term Loans	0		0
Total loans	969,810		950,273
Special Mention | Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	1,282		1,555
Term loans amortized cost basis by origination, before current fiscal year	431		20,255
Term loans amortized cost basis by origination, two years before current fiscal year	13,864		17,775
Term loans amortized cost basis by origination, three years before current fiscal year	17,394		18,403
Term loans amortized cost basis by origination, four years before current fiscal year	13,384		2,464
Term loans amortized cost basis by origination, prior	36,890		36,817
Amortized Cost Basis	156,492		158,968
Converted to Term Loans	0		0
Total loans	239,737		256,237
Special Mention | Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		1,099
Term loans amortized cost basis by origination, before current fiscal year	1,093		2,466
Term loans amortized cost basis by origination, two years before current fiscal year	2,419		65,733
Term loans amortized cost basis by origination, three years before current fiscal year	48,327		5,397
Term loans amortized cost basis by origination, four years before current fiscal year	26,479		34,244
Term loans amortized cost basis by origination, prior	22,987		12,621
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total loans	101,305		121,560
Special Mention | Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	15,421		4,583
Term loans amortized cost basis by origination, before current fiscal year	4,896		2,211
Term loans amortized cost basis by origination, two years before current fiscal year	2,188		97,443
Term loans amortized cost basis by origination, three years before current fiscal year	120,260		200,780
Term loans amortized cost basis by origination, four years before current fiscal year	148,229		0
Term loans amortized cost basis by origination, prior	74,763		68,559
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total loans	365,757		373,576
Special Mention | Total commercial real estate | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	359		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		1,060
Term loans amortized cost basis by origination, three years before current fiscal year	695		663
Term loans amortized cost basis by origination, four years before current fiscal year	0		169
Term loans amortized cost basis by origination, prior	245		1,300
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total loans	1,299		3,192
Special Mention | Total commercial real estate | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		138
Term loans amortized cost basis by origination, two years before current fiscal year	135		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		25
Term loans amortized cost basis by origination, four years before current fiscal year	0		0
Term loans amortized cost basis by origination, prior	374		390
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total loans	509		553
Substandard | Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	13,454		20,920
Term loans amortized cost basis by origination, before current fiscal year	21,960		12,397
Term loans amortized cost basis by origination, two years before current fiscal year	14,114		59,487
Term loans amortized cost basis by origination, three years before current fiscal year	59,139		14,694
Term loans amortized cost basis by origination, four years before current fiscal year	11,206		39,482
Term loans amortized cost basis by origination, prior	56,208		17,028
Amortized Cost Basis	236,002		258,070
Converted to Term Loans	0		493
Total loans	412,083		422,571
Substandard | Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	283		2,568
Term loans amortized cost basis by origination, before current fiscal year	2,552		5,838
Term loans amortized cost basis by origination, two years before current fiscal year	10,001		34,147
Term loans amortized cost basis by origination, three years before current fiscal year	51,749		20,698
Term loans amortized cost basis by origination, four years before current fiscal year	20,175		49,766
Term loans amortized cost basis by origination, prior	107,843		65,147
Amortized Cost Basis	42,792		55,904
Converted to Term Loans	0		0
Total loans	235,395		234,068
Substandard | Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	448		0
Term loans amortized cost basis by origination, before current fiscal year	0		1,689
Term loans amortized cost basis by origination, two years before current fiscal year	1,680		10,093
Term loans amortized cost basis by origination, three years before current fiscal year	6,447		83,795
Term loans amortized cost basis by origination, four years before current fiscal year	77,068		1,466
Term loans amortized cost basis by origination, prior	17,355		13,884
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total loans	102,998		110,927
Substandard | Total commercial real estate | 1-4 family properties
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		919
Term loans amortized cost basis by origination, before current fiscal year	894		840
Term loans amortized cost basis by origination, two years before current fiscal year	818		1,618
Term loans amortized cost basis by origination, three years before current fiscal year	3,200		233
Term loans amortized cost basis by origination, four years before current fiscal year	250		287
Term loans amortized cost basis by origination, prior	3,328		1,857
Amortized Cost Basis	45		45
Converted to Term Loans	0		0
Total loans	8,535		5,799
Substandard | Total commercial real estate | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		1,347
Term loans amortized cost basis by origination, two years before current fiscal year	1,911		0
Term loans amortized cost basis by origination, three years before current fiscal year	18		0
Term loans amortized cost basis by origination, four years before current fiscal year	48		153
Term loans amortized cost basis by origination, prior	863		719
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total loans	2,840		2,219
Substandard | Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		190
Term loans amortized cost basis by origination, before current fiscal year	190		1,872
Term loans amortized cost basis by origination, two years before current fiscal year	2,341		5,590
Term loans amortized cost basis by origination, three years before current fiscal year	6,229		7,117
Term loans amortized cost basis by origination, four years before current fiscal year	7,258		17,918
Term loans amortized cost basis by origination, prior	50,070		37,895
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total loans	66,088		70,582
Substandard | Total consumer | Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0
Term loans amortized cost basis by origination, prior	0		0
Amortized Cost Basis	12,193		11,464
Converted to Term Loans	8,819		7,729
Total loans	21,012		19,193
Substandard | Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0
Term loans amortized cost basis by origination, prior	0		0
Amortized Cost Basis	579		701
Converted to Term Loans	0		0
Total loans	579		701
Substandard | Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		310
Term loans amortized cost basis by origination, before current fiscal year	474		1,046
Term loans amortized cost basis by origination, two years before current fiscal year	1,024		1,298
Term loans amortized cost basis by origination, three years before current fiscal year	1,342		2,692
Term loans amortized cost basis by origination, four years before current fiscal year	2,428		1,132
Term loans amortized cost basis by origination, prior	1,477		524
Amortized Cost Basis	63		59
Converted to Term Loans	0		0
Total loans	6,808		7,061
Doubtful | Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		5,911
Term loans amortized cost basis by origination, four years before current fiscal year	5,911		0
Term loans amortized cost basis by origination, prior	934		1,869
Amortized Cost Basis	4,895
Converted to Term Loans	0
Total loans	11,740		12,925
Doubtful | Total commercial and industrial | Commercial, financial and agricultural | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans			5,145
Doubtful | Total commercial and industrial | Commercial, financial and agricultural | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans			0
Doubtful | Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		39,401
Term loans amortized cost basis by origination, four years before current fiscal year	30,046		0
Term loans amortized cost basis by origination, prior	0		0
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total loans	30,046		39,401
Loss | Total commercial and industrial | Commercial, financial and agricultural
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0
Term loans amortized cost basis by origination, prior	0		0
Amortized Cost Basis	699		535
Converted to Term Loans	0		0
Total loans	699		535
Loss | Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0
Term loans amortized cost basis by origination, prior	5		5
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total loans	5		5
Loss | Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0
Term loans amortized cost basis by origination, prior	40		29
Amortized Cost Basis	0		0
Converted to Term Loans	0		0
Total loans	40		29
Loss | Total consumer | Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0
Term loans amortized cost basis by origination, prior	0		0
Amortized Cost Basis	713		554
Converted to Term Loans	234		279
Total loans	947		833
Loss | Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0
Term loans amortized cost basis by origination, prior	0		0
Amortized Cost Basis	1,115		1,109
Converted to Term Loans	0		0
Total loans	1,115		1,109
Loss | Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0
Term loans amortized cost basis by origination, prior	0		0
Amortized Cost Basis	11		12
Converted to Term Loans	0		0
Total loans	$ 11		$ 12

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