Loans and Allowance for Loan Losses - Schedule of Loan Portfolio Class by Risk Grade and Origination Year (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	$ 2,658,341		$ 2,658,341		$ 3,783,210
Term loans amortized cost basis by origination, before current fiscal year	3,718,883		3,718,883		6,965,524
Term loans amortized cost basis by origination, two years before current fiscal year	6,951,936		6,951,936		7,504,636
Term loans amortized cost basis by origination, three years before current fiscal year	6,755,636		6,755,636		4,404,254
Term loans amortized cost basis by origination, four years before current fiscal year	3,926,385		3,926,385		3,061,633
Term loans amortized cost basis by origination, prior	7,881,698		7,881,698		6,216,447
Amortized Cost Basis	10,722,948		10,722,948		10,932,133
Converted to Term Loans	504,847		504,847		536,653
Total loans	43,120,674		43,120,674		43,404,490
Gross charge-offs
Year One			4,884		10,540
Year Two			18,490		17,269
Year Three			7,090		38,758
Year Four			19,333		34,274
Year Five			4,120		6,975
Prior			20,650		30,674
Amortized Cost Basis			52,292		44,152
Converted to Term Loans			106		432
Total	34,106	$ 73,935	126,965	$ 135,526	183,074
Total consumer
Gross charge-offs
Total	6,789	10,088	23,352	40,864
Charge-off of previously established reserves for credit losses associated with the transfer to held for sale		$ 23,300		$ 31,300	31,300
Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	1,498,299		1,498,299		1,986,629
Term loans amortized cost basis by origination, before current fiscal year	2,056,949		2,056,949		2,619,103
Term loans amortized cost basis by origination, two years before current fiscal year	2,497,616		2,497,616		3,001,532
Term loans amortized cost basis by origination, three years before current fiscal year	2,579,455		2,579,455		1,841,896
Term loans amortized cost basis by origination, four years before current fiscal year	1,684,065		1,684,065		1,460,858
Term loans amortized cost basis by origination, prior	3,643,305		3,643,305		2,803,594
Amortized Cost Basis	8,648,369		8,648,369		8,836,288
Converted to Term Loans	55,939		55,939		48,593
Total loans	22,663,997		22,663,997		22,598,493
Gross charge-offs
Year One			4,704		9,367
Year Two			16,257		3,436
Year Three			3,104		8,608
Year Four			8,867		26,368
Year Five			2,306		2,709
Prior			13,935		4,933
Amortized Cost Basis			44,633		30,696
Converted to Term Loans			0		203
Total			93,806		86,320
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	962,837		962,837		1,120,645
Term loans amortized cost basis by origination, before current fiscal year	1,058,266		1,058,266		1,063,760
Term loans amortized cost basis by origination, two years before current fiscal year	874,688		874,688		1,463,949
Term loans amortized cost basis by origination, three years before current fiscal year	1,234,912		1,234,912		821,205
Term loans amortized cost basis by origination, four years before current fiscal year	711,789		711,789		727,833
Term loans amortized cost basis by origination, prior	1,703,027		1,703,027		1,266,232
Amortized Cost Basis	7,962,455		7,962,455		7,947,128
Converted to Term Loans	55,939		55,939		48,593
Total loans	14,563,913		14,563,913		14,459,345
Gross charge-offs
Year One			4,704		9,367
Year Two			16,181		3,436
Year Three			3,104		8,175
Year Four			8,685		19,532
Year Five			768		1,165
Prior			3,659		2,071
Amortized Cost Basis			44,633		30,696
Converted to Term Loans			0		203
Total			81,734		74,645
Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	535,462		535,462		865,984
Term loans amortized cost basis by origination, before current fiscal year	998,683		998,683		1,555,343
Term loans amortized cost basis by origination, two years before current fiscal year	1,622,928		1,622,928		1,537,583
Term loans amortized cost basis by origination, three years before current fiscal year	1,344,543		1,344,543		1,020,691
Term loans amortized cost basis by origination, four years before current fiscal year	972,276		972,276		733,025
Term loans amortized cost basis by origination, prior	1,940,278		1,940,278		1,537,362
Amortized Cost Basis	685,914		685,914		889,160
Converted to Term Loans	0		0		0
Total loans	8,100,084		8,100,084		8,139,148
Gross charge-offs
Year One			0		0
Year Two			76		0
Year Three			0		433
Year Four			182		6,836
Year Five			1,538		1,544
Prior			10,276		2,862
Amortized Cost Basis			0		0
Converted to Term Loans			0		0
Total			12,072		11,675
Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	680,112		680,112		902,990
Term loans amortized cost basis by origination, before current fiscal year	855,516		855,516		3,376,295
Term loans amortized cost basis by origination, two years before current fiscal year	3,625,088		3,625,088		3,229,919
Term loans amortized cost basis by origination, three years before current fiscal year	3,043,438		3,043,438		1,211,860
Term loans amortized cost basis by origination, four years before current fiscal year	996,430		996,430		1,151,962
Term loans amortized cost basis by origination, prior	2,718,264		2,718,264		2,138,962
Amortized Cost Basis	258,636		258,636		304,770
Converted to Term Loans	0		0		0
Total loans	12,177,484		12,177,484		12,316,758
Gross charge-offs
Year One			0		546
Year Two			103		7,685
Year Three			174		5,668
Year Four			4,752		3,878
Year Five			35		1,893
Prior			4,743		22,671
Amortized Cost Basis			0		3,109
Converted to Term Loans			0		0
Total			9,807		45,450
Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	508,434		508,434		595,623
Term loans amortized cost basis by origination, before current fiscal year	670,567		670,567		3,145,727
Term loans amortized cost basis by origination, two years before current fiscal year	3,463,133		3,463,133		3,074,155
Term loans amortized cost basis by origination, three years before current fiscal year	2,931,671		2,931,671		1,163,152
Term loans amortized cost basis by origination, four years before current fiscal year	960,952		960,952		1,102,689
Term loans amortized cost basis by origination, prior	2,613,801		2,613,801		2,020,221
Amortized Cost Basis	197,991		197,991		261,737
Converted to Term Loans	0		0		0
Total loans	11,346,549		11,346,549		11,363,304
Gross charge-offs
Year One			0		546
Year Two			0		7,685
Year Three			174		5,668
Year Four			4,752		3,801
Year Five			0		1,893
Prior			4,600		22,647
Amortized Cost Basis			0		3,109
Converted to Term Loans			0		0
Total			9,526		45,349
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	108,463		108,463		172,554
Term loans amortized cost basis by origination, before current fiscal year	95,132		95,132		144,699
Term loans amortized cost basis by origination, two years before current fiscal year	103,702		103,702		119,697
Term loans amortized cost basis by origination, three years before current fiscal year	83,393		83,393		32,577
Term loans amortized cost basis by origination, four years before current fiscal year	30,239		30,239		30,064
Term loans amortized cost basis by origination, prior	59,318		59,318		56,766
Amortized Cost Basis	47,883		47,883		42,145
Converted to Term Loans	0		0		0
Total loans	528,130		528,130		598,502
Gross charge-offs
Year One			0		0
Year Two			103		0
Year Three			0		0
Year Four			0		0
Year Five			0		0
Prior			143		24
Amortized Cost Basis			0		0
Converted to Term Loans			0		0
Total			246		24
Total commercial real estate | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	63,215		63,215		134,813
Term loans amortized cost basis by origination, before current fiscal year	89,817		89,817		85,869
Term loans amortized cost basis by origination, two years before current fiscal year	58,253		58,253		36,067
Term loans amortized cost basis by origination, three years before current fiscal year	28,374		28,374		16,131
Term loans amortized cost basis by origination, four years before current fiscal year	5,239		5,239		19,209
Term loans amortized cost basis by origination, prior	45,145		45,145		61,975
Amortized Cost Basis	12,762		12,762		888
Converted to Term Loans	0		0		0
Total loans	302,805		302,805		354,952
Gross charge-offs
Year One			0		0
Year Two			0		0
Year Three			0		0
Year Four			0		77
Year Five			35		0
Prior			0		0
Amortized Cost Basis			0		0
Converted to Term Loans			0		0
Total			35		77
Total consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	479,930		479,930		893,591
Term loans amortized cost basis by origination, before current fiscal year	806,418		806,418		970,126
Term loans amortized cost basis by origination, two years before current fiscal year	829,232		829,232		1,273,185
Term loans amortized cost basis by origination, three years before current fiscal year	1,132,743		1,132,743		1,350,498
Term loans amortized cost basis by origination, four years before current fiscal year	1,245,890		1,245,890		448,813
Term loans amortized cost basis by origination, prior	1,520,129		1,520,129		1,273,891
Amortized Cost Basis	1,815,943		1,815,943		1,791,075
Converted to Term Loans	448,908		448,908		488,060
Total loans	8,279,193		8,279,193		8,489,239
Gross charge-offs
Year One			180		627
Year Two			2,130		6,148
Year Three			3,812		24,482
Year Four			5,714		4,028
Year Five			1,779		2,373
Prior			1,972		3,070
Amortized Cost Basis			7,659		10,347
Converted to Term Loans			106		229
Total			23,352		51,304
Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	363,884		363,884		758,049
Term loans amortized cost basis by origination, before current fiscal year	716,269		716,269		787,708
Term loans amortized cost basis by origination, two years before current fiscal year	695,044		695,044		1,049,959
Term loans amortized cost basis by origination, three years before current fiscal year	970,378		970,378		1,235,310
Term loans amortized cost basis by origination, four years before current fiscal year	1,158,739		1,158,739		419,989
Term loans amortized cost basis by origination, prior	1,419,101		1,419,101		1,160,673
Amortized Cost Basis	28		28		35
Converted to Term Loans	0		0		0
Total loans	5,323,443		5,323,443		5,411,723
Gross charge-offs
Year One			0		0
Year Two			11		108
Year Three			0		251
Year Four			1		403
Year Five			25		402
Prior			112		965
Amortized Cost Basis			0		5
Converted to Term Loans			0		0
Total			149		2,134
Total consumer | Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, prior	0		0		0
Amortized Cost Basis	1,360,378		1,360,378		1,319,339
Converted to Term Loans	448,908		448,908		488,060
Total loans	1,809,286		1,809,286		1,807,399
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		79
Amortized Cost Basis			223		819
Converted to Term Loans			106		229
Total			329		1,127
Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, prior	0		0		0
Amortized Cost Basis	181,386		181,386		194,141
Converted to Term Loans	0		0		0
Total loans	181,386		181,386		194,141
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			5,650		7,165
Converted to Term Loans			0		0
Total			5,650		7,165
Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	116,046		116,046		135,542
Term loans amortized cost basis by origination, before current fiscal year	90,149		90,149		182,418
Term loans amortized cost basis by origination, two years before current fiscal year	134,188		134,188		223,226
Term loans amortized cost basis by origination, three years before current fiscal year	162,365		162,365		115,188
Term loans amortized cost basis by origination, four years before current fiscal year	87,151		87,151		28,824
Term loans amortized cost basis by origination, prior	101,028		101,028		113,218
Amortized Cost Basis	274,151		274,151		277,560
Converted to Term Loans	0		0		0
Total loans	965,078		965,078		1,075,976
Gross charge-offs
Year One			180		627
Year Two			2,119		6,040
Year Three			3,812		24,231
Year Four			5,713		3,625
Year Five			1,754		1,971
Prior			1,860		2,026
Amortized Cost Basis			1,786		2,358
Converted to Term Loans			0		0
Total			17,224		40,878
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	934,961		934,961		1,078,790
Term loans amortized cost basis by origination, before current fiscal year	1,028,249		1,028,249		1,040,742
Term loans amortized cost basis by origination, two years before current fiscal year	792,836		792,836		1,408,178
Term loans amortized cost basis by origination, three years before current fiscal year	1,193,350		1,193,350		782,069
Term loans amortized cost basis by origination, four years before current fiscal year	673,695		673,695		636,341
Term loans amortized cost basis by origination, prior	1,674,760		1,674,760		1,236,433
Amortized Cost Basis	7,550,482		7,550,482		7,623,255
Converted to Term Loans	51,886		51,886		46,908
Total loans	13,900,219		13,900,219		13,852,716
Pass | Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	530,817		530,817		859,887
Term loans amortized cost basis by origination, before current fiscal year	990,813		990,813		1,521,469
Term loans amortized cost basis by origination, two years before current fiscal year	1,523,512		1,523,512		1,501,405
Term loans amortized cost basis by origination, three years before current fiscal year	1,285,723		1,285,723		958,620
Term loans amortized cost basis by origination, four years before current fiscal year	889,231		889,231		710,634
Term loans amortized cost basis by origination, prior	1,815,520		1,815,520		1,401,416
Amortized Cost Basis	633,504		633,504		782,180
Converted to Term Loans	0		0		0
Total loans	7,669,120		7,669,120		7,735,611
Pass | Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	503,828		503,828		593,540
Term loans amortized cost basis by origination, before current fiscal year	667,123		667,123		3,140,041
Term loans amortized cost basis by origination, two years before current fiscal year	3,355,278		3,355,278		2,863,327
Term loans amortized cost basis by origination, three years before current fiscal year	2,670,450		2,670,450		1,161,697
Term loans amortized cost basis by origination, four years before current fiscal year	958,907		958,907		1,052,638
Term loans amortized cost basis by origination, prior	2,500,687		2,500,687		1,900,744
Amortized Cost Basis	197,991		197,991		261,737
Converted to Term Loans	0		0		0
Total loans	10,854,264		10,854,264		10,973,724
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	108,463		108,463		167,729
Term loans amortized cost basis by origination, before current fiscal year	94,108		94,108		142,930
Term loans amortized cost basis by origination, two years before current fiscal year	101,161		101,161		119,054
Term loans amortized cost basis by origination, three years before current fiscal year	81,883		81,883		31,928
Term loans amortized cost basis by origination, four years before current fiscal year	29,777		29,777		29,740
Term loans amortized cost basis by origination, prior	57,377		57,377		55,243
Amortized Cost Basis	47,838		47,838		42,099
Converted to Term Loans	0		0		0
Total loans	520,607		520,607		588,723
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	63,215		63,215		105,609
Term loans amortized cost basis by origination, before current fiscal year	88,437		88,437		84,962
Term loans amortized cost basis by origination, two years before current fiscal year	57,777		57,777		35,993
Term loans amortized cost basis by origination, three years before current fiscal year	28,347		28,347		16,131
Term loans amortized cost basis by origination, four years before current fiscal year	5,083		5,083		18,616
Term loans amortized cost basis by origination, prior	43,083		43,083		59,605
Amortized Cost Basis	12,762		12,762		888
Converted to Term Loans	0		0		0
Total loans	298,704		298,704		321,804
Pass | Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	363,788		363,788		757,485
Term loans amortized cost basis by origination, before current fiscal year	714,393		714,393		784,898
Term loans amortized cost basis by origination, two years before current fiscal year	690,581		690,581		1,044,442
Term loans amortized cost basis by origination, three years before current fiscal year	963,482		963,482		1,219,397
Term loans amortized cost basis by origination, four years before current fiscal year	1,140,919		1,140,919		410,511
Term loans amortized cost basis by origination, prior	1,383,128		1,383,128		1,136,541
Amortized Cost Basis	28		28		35
Converted to Term Loans	0		0		0
Total loans	5,256,319		5,256,319		5,353,309
Pass | Total consumer | Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, prior	0		0		0
Amortized Cost Basis	1,348,947		1,348,947		1,308,934
Converted to Term Loans	441,666		441,666		482,679
Total loans	1,790,613		1,790,613		1,791,613
Pass | Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, prior	0		0		0
Amortized Cost Basis	179,774		179,774		192,217
Converted to Term Loans	0		0		0
Total loans	179,774		179,774		192,217
Pass | Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	115,901		115,901		134,969
Term loans amortized cost basis by origination, before current fiscal year	89,160		89,160		181,455
Term loans amortized cost basis by origination, two years before current fiscal year	132,940		132,940		219,415
Term loans amortized cost basis by origination, three years before current fiscal year	159,238		159,238		114,006
Term loans amortized cost basis by origination, four years before current fiscal year	86,039		86,039		28,256
Term loans amortized cost basis by origination, prior	100,411		100,411		112,724
Amortized Cost Basis	274,087		274,087		277,368
Converted to Term Loans	0		0		0
Total loans	957,776		957,776		1,068,193
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	3,058		3,058		5,298
Term loans amortized cost basis by origination, before current fiscal year	18,474		18,474		8,276
Term loans amortized cost basis by origination, two years before current fiscal year	20,814		20,814		20,027
Term loans amortized cost basis by origination, three years before current fiscal year	18,717		18,717		1,950
Term loans amortized cost basis by origination, four years before current fiscal year	3,115		3,115		2,552
Term loans amortized cost basis by origination, prior	11,610		11,610		8,412
Amortized Cost Basis	162,686		162,686		141,580
Converted to Term Loans	0		0		0
Total loans	238,474		238,474		188,095
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	2,064		2,064		1,709
Term loans amortized cost basis by origination, before current fiscal year	2,499		2,499		9,114
Term loans amortized cost basis by origination, two years before current fiscal year	58,020		58,020		22,562
Term loans amortized cost basis by origination, three years before current fiscal year	29,153		29,153		2,593
Term loans amortized cost basis by origination, four years before current fiscal year	33,873		33,873		4,689
Term loans amortized cost basis by origination, prior	54,748		54,748		48,640
Amortized Cost Basis	0		0		79,031
Converted to Term Loans	0		0		0
Total loans	180,357		180,357		168,338
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	4,606		4,606		0
Term loans amortized cost basis by origination, before current fiscal year	2,234		2,234		1,616
Term loans amortized cost basis by origination, two years before current fiscal year	96,870		96,870		169,550
Term loans amortized cost basis by origination, three years before current fiscal year	138,423		138,423		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0		48,429
Term loans amortized cost basis by origination, prior	68,788		68,788		33,903
Amortized Cost Basis	0		0		0
Converted to Term Loans	0		0		0
Total loans	310,921		310,921		253,498
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	0		0		3,104
Term loans amortized cost basis by origination, before current fiscal year	0		0		947
Term loans amortized cost basis by origination, two years before current fiscal year	706		706		0
Term loans amortized cost basis by origination, three years before current fiscal year	604		604		184
Term loans amortized cost basis by origination, four years before current fiscal year	175		175		0
Term loans amortized cost basis by origination, prior	88		88		311
Amortized Cost Basis	0		0		1
Converted to Term Loans	0		0		0
Total loans	1,573		1,573		4,547
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		0
Term loans amortized cost basis by origination, before current fiscal year	0		0		496
Term loans amortized cost basis by origination, two years before current fiscal year	476		476		0
Term loans amortized cost basis by origination, three years before current fiscal year	27		27		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, prior	519		519		774
Amortized Cost Basis	0		0		0
Converted to Term Loans	0		0		0
Total loans	1,022		1,022		1,270
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	24,733		24,733		36,557
Term loans amortized cost basis by origination, before current fiscal year	11,262		11,262		14,742
Term loans amortized cost basis by origination, two years before current fiscal year	61,038		61,038		35,744
Term loans amortized cost basis by origination, three years before current fiscal year	16,934		16,934		37,186
Term loans amortized cost basis by origination, four years before current fiscal year	34,589		34,589		88,940
Term loans amortized cost basis by origination, prior	16,657		16,657		21,032
Amortized Cost Basis	241,394		241,394		182,069
Converted to Term Loans	4,053		4,053		1,685
Total loans	410,660		410,660		417,955
Substandard | Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	2,581		2,581		4,388
Term loans amortized cost basis by origination, before current fiscal year	5,371		5,371		24,760
Term loans amortized cost basis by origination, two years before current fiscal year	41,396		41,396		13,616
Term loans amortized cost basis by origination, three years before current fiscal year	29,667		29,667		59,478
Term loans amortized cost basis by origination, four years before current fiscal year	49,172		49,172		17,702
Term loans amortized cost basis by origination, prior	70,010		70,010		87,306
Amortized Cost Basis	36,004		36,004		27,949
Converted to Term Loans	0		0		0
Total loans	234,201		234,201		235,199
Substandard | 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		2,083
Term loans amortized cost basis by origination, before current fiscal year	1,210		1,210		4,070
Term loans amortized cost basis by origination, two years before current fiscal year	10,985		10,985		41,278
Term loans amortized cost basis by origination, three years before current fiscal year	83,397		83,397		1,455
Term loans amortized cost basis by origination, four years before current fiscal year	2,045		2,045		1,622
Term loans amortized cost basis by origination, prior	44,321		44,321		75,850
Amortized Cost Basis	0		0		0
Converted to Term Loans	0		0		0
Total loans	141,958		141,958		126,358
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		0		1,721
Term loans amortized cost basis by origination, before current fiscal year	1,024		1,024		822
Term loans amortized cost basis by origination, two years before current fiscal year	1,835		1,835		643
Term loans amortized cost basis by origination, three years before current fiscal year	906		906		465
Term loans amortized cost basis by origination, four years before current fiscal year	287		287		324
Term loans amortized cost basis by origination, prior	1,853		1,853		1,212
Amortized Cost Basis	45		45		45
Converted to Term Loans	0		0		0
Total loans	5,950		5,950		5,232
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		29,204
Term loans amortized cost basis by origination, before current fiscal year	1,380		1,380		411
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		74
Term loans amortized cost basis by origination, three years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, four years before current fiscal year	156		156		593
Term loans amortized cost basis by origination, prior	1,543		1,543		1,596
Amortized Cost Basis	0		0		0
Converted to Term Loans	0		0		0
Total loans	3,079		3,079		31,878
Substandard | Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	96		96		564
Term loans amortized cost basis by origination, before current fiscal year	1,876		1,876		2,810
Term loans amortized cost basis by origination, two years before current fiscal year	4,463		4,463		5,517
Term loans amortized cost basis by origination, three years before current fiscal year	6,896		6,896		15,913
Term loans amortized cost basis by origination, four years before current fiscal year	17,820		17,820		9,478
Term loans amortized cost basis by origination, prior	35,945		35,945		23,662
Amortized Cost Basis	0		0		0
Converted to Term Loans	0		0		0
Total loans	67,096		67,096		57,944
Substandard | Total consumer | Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, prior	0		0		0
Amortized Cost Basis	10,872		10,872		10,231
Converted to Term Loans	6,961		6,961		5,297
Total loans	17,833		17,833		15,528
Substandard | Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, prior	0		0		0
Amortized Cost Basis	574		574		702
Converted to Term Loans	0		0		0
Total loans	574		574		702
Substandard | Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	145		145		573
Term loans amortized cost basis by origination, before current fiscal year	989		989		963
Term loans amortized cost basis by origination, two years before current fiscal year	1,248		1,248		3,811
Term loans amortized cost basis by origination, three years before current fiscal year	3,127		3,127		1,182
Term loans amortized cost basis by origination, four years before current fiscal year	1,112		1,112		568
Term loans amortized cost basis by origination, prior	617		617		494
Amortized Cost Basis	52		52		192
Converted to Term Loans	0		0		0
Total loans	7,290		7,290		7,783
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	85		85
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	5,911		5,911
Term loans amortized cost basis by origination, four years before current fiscal year	390		390
Term loans amortized cost basis by origination, prior	0		0
Amortized Cost Basis	7,238		7,238
Converted to Term Loans	0		0
Total loans	13,624		13,624
Doubtful | Total commercial and industrial | Owner-occupied
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	16,406		16,406
Converted to Term Loans	0		0
Total loans	16,406		16,406
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		0
Term loans amortized cost basis by origination, before current fiscal year	0		0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, three years before current fiscal year	39,401		39,401		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, prior	0		0		9,714
Amortized Cost Basis	0		0		0
Converted to Term Loans	0		0		0
Total loans	39,401		39,401		9,714
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		0
Term loans amortized cost basis by origination, before current fiscal year	281		281		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, prior	0		0		355
Amortized Cost Basis	655		655		224
Converted to Term Loans	0		0		0
Total loans	936		936		579
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		0
Term loans amortized cost basis by origination, before current fiscal year	0		0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, prior	5		5		10
Amortized Cost Basis	0		0		0
Converted to Term Loans	0		0		0
Total loans	5		5		10
Loss | Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, prior	28		28		470
Amortized Cost Basis	0		0		0
Converted to Term Loans	0		0		0
Total loans	28		28		470
Loss | Total consumer | Home equity
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, prior	0		0		0
Amortized Cost Basis	559		559		174
Converted to Term Loans	281		281		84
Total loans	840		840		258
Loss | Total consumer | Credit cards
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0		0
Term loans amortized cost basis by origination, before current fiscal year	0		0		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, four years before current fiscal year	0		0		0
Term loans amortized cost basis by origination, prior	0		0		0
Amortized Cost Basis	1,038		1,038		1,222
Converted to Term Loans	0		0		0
Total loans	1,038		1,038		$ 1,222
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	12		12
Converted to Term Loans	0		0
Total loans	$ 12		$ 12