Loans and Allowance for Loan Losses (Loan Portfolio Credit Exposure) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	$ 3,034,158		$ 3,034,158		$ 7,049,731
Term loans amortized cost basis by origination, before current fiscal year	6,907,837		6,907,837		8,851,511
Term loans amortized cost basis by origination, two years before current fiscal year	7,845,560		7,845,560		5,710,982
Term loans amortized cost basis by origination, three years before current fiscal year	4,688,601		4,688,601		3,604,052
Term loans amortized cost basis by origination, four years before current fiscal year	3,207,697		3,207,697		2,412,071
Term loans amortized cost basis by origination, prior	6,587,826		6,587,826		5,209,357
Total loans	43,679,910		43,679,910		$ 43,716,353
Gross charge-offs
Year One			9,455
Year Two			14,919
Year Three			34,264
Year Four			29,421
Year Five			5,355
Prior			5,074
Amortized Cost Basis			36,786
Converted to Term Loans			252
Total	73,935	$ 15,722	$ 135,526	$ 64,567
Number of days past due			120 days		120 days
Number of days past due for charge-off			181 days		181 days
Total consumer
Gross charge-offs
Total	10,088	$ 8,903	$ 40,864	$ 25,765
Charge-off of previously established reserves for credit losses associated with the transfer to held for sale	23,300		31,300
Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	10,859,333		10,859,333		$ 10,323,287
Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	548,898		$ 548,898		555,362
Doubtful(2)
Gross charge-offs
Percentage of loan amount			50.00%
Total commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	1,596,169		$ 1,596,169		2,855,387
Term loans amortized cost basis by origination, before current fiscal year	2,736,698		2,736,698		3,639,332
Term loans amortized cost basis by origination, two years before current fiscal year	3,190,543		3,190,543		2,286,853
Term loans amortized cost basis by origination, three years before current fiscal year	1,989,372		1,989,372		1,762,363
Term loans amortized cost basis by origination, four years before current fiscal year	1,533,822		1,533,822		1,281,244
Term loans amortized cost basis by origination, prior	2,974,227		2,974,227		2,252,438
Total loans	22,780,954		22,780,954		22,066,656
Gross charge-offs
Year One			8,712
Year Two			2,888
Year Three			8,326
Year Four			22,397
Year Five			1,315
Prior			1,821
Amortized Cost Basis			25,535
Total			71,197
Total commercial and industrial | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	8,710,223		8,710,223		7,942,578
Total commercial and industrial | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	49,900		49,900		46,461
Gross charge-offs
Total			203
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	903,503		903,503		1,294,696
Term loans amortized cost basis by origination, before current fiscal year	1,126,387		1,126,387		1,943,422
Term loans amortized cost basis by origination, two years before current fiscal year	1,567,208		1,567,208		1,060,864
Term loans amortized cost basis by origination, three years before current fiscal year	885,418		885,418		831,510
Term loans amortized cost basis by origination, four years before current fiscal year	768,872		768,872		560,122
Term loans amortized cost basis by origination, prior	1,388,338		1,388,338		1,061,683
Total loans	14,498,966		14,498,966		13,874,416
Gross charge-offs
Year One			8,712
Year Two			2,888
Year Three			7,973
Year Four			19,475
Year Five			1,092
Prior			1,821
Amortized Cost Basis			25,535
Converted to Term Loans			203
Total			67,699
Total commercial and industrial | Commercial, financial and agricultural | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	7,809,340		7,809,340		7,075,658
Total commercial and industrial | Commercial, financial and agricultural | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	49,900		49,900		46,461
Total commercial and industrial | Commercial, financial and agricultural | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	868,156		868,156		1,276,814
Term loans amortized cost basis by origination, before current fiscal year	1,108,304		1,108,304		1,911,353
Term loans amortized cost basis by origination, two years before current fiscal year	1,517,903		1,517,903		1,009,230
Term loans amortized cost basis by origination, three years before current fiscal year	835,873		835,873		782,100
Term loans amortized cost basis by origination, four years before current fiscal year	653,805		653,805		536,001
Term loans amortized cost basis by origination, prior	1,357,091		1,357,091		1,037,488
Total loans	13,864,016		13,864,016		13,458,804
Total commercial and industrial | Commercial, financial and agricultural | Pass | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	7,474,724		7,474,724		6,862,070
Total commercial and industrial | Commercial, financial and agricultural | Pass | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	48,160		48,160		43,748
Total commercial and industrial | Commercial, financial and agricultural | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	4,713		4,713		4,131
Term loans amortized cost basis by origination, before current fiscal year	2,718		2,718		14,289
Term loans amortized cost basis by origination, two years before current fiscal year	7,430		7,430		12,691
Term loans amortized cost basis by origination, three years before current fiscal year	13,463		13,463		6,637
Term loans amortized cost basis by origination, four years before current fiscal year	5,434		5,434		5,716
Term loans amortized cost basis by origination, prior	8,911		8,911		2,777
Total loans	222,760		222,760		129,840
Total commercial and industrial | Commercial, financial and agricultural | Special Mention | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	180,091		180,091		81,889
Total commercial and industrial | Commercial, financial and agricultural | Special Mention | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		1,710
Total commercial and industrial | Commercial, financial and agricultural | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	30,634		30,634		13,751
Term loans amortized cost basis by origination, before current fiscal year	15,365		15,365		17,780
Term loans amortized cost basis by origination, two years before current fiscal year	41,875		41,875		38,943
Term loans amortized cost basis by origination, three years before current fiscal year	36,051		36,051		42,773
Term loans amortized cost basis by origination, four years before current fiscal year	109,633		109,633		18,405
Term loans amortized cost basis by origination, prior	21,981		21,981		21,418
Total loans	398,882		398,882		285,495
Total commercial and industrial | Commercial, financial and agricultural | Substandard | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	141,603		141,603		131,422
Total commercial and industrial | Commercial, financial and agricultural | Substandard | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,740		1,740		1,003
Total commercial and industrial | Commercial, financial and agricultural | Doubtful(2)
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
Total loans	12,560		12,560
Total commercial and industrial | Commercial, financial and agricultural | Doubtful(2) | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	12,560		12,560
Total commercial and industrial | Commercial, financial and agricultural | Doubtful(2) | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0
Total commercial and industrial | Commercial, financial and agricultural | Loss
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	31		31		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	355		355		0
Total loans	748		748		277
Total commercial and industrial | Commercial, financial and agricultural | Loss | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	362		362		277
Total commercial and industrial | Commercial, financial and agricultural | Loss | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial and industrial | Owner-occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	692,666		692,666		1,560,691
Term loans amortized cost basis by origination, before current fiscal year	1,610,311		1,610,311		1,695,910
Term loans amortized cost basis by origination, two years before current fiscal year	1,623,335		1,623,335		1,225,989
Term loans amortized cost basis by origination, three years before current fiscal year	1,103,954		1,103,954		930,853
Term loans amortized cost basis by origination, four years before current fiscal year	764,950		764,950		721,122
Term loans amortized cost basis by origination, prior	1,585,889		1,585,889		1,190,755
Total loans	8,281,988		8,281,988		8,192,240
Gross charge-offs
Year One			0
Year Two			0
Year Three			353
Year Four			2,922
Year Five			223
Prior			0
Amortized Cost Basis			0
Converted to Term Loans			0
Total			3,498
Total commercial and industrial | Owner-occupied | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	900,883		900,883		866,920
Total commercial and industrial | Owner-occupied | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial and industrial | Owner-occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	687,136		687,136		1,537,016
Term loans amortized cost basis by origination, before current fiscal year	1,580,695		1,580,695		1,675,524
Term loans amortized cost basis by origination, two years before current fiscal year	1,591,207		1,591,207		1,137,889
Term loans amortized cost basis by origination, three years before current fiscal year	1,035,957		1,035,957		909,525
Term loans amortized cost basis by origination, four years before current fiscal year	739,192		739,192		664,734
Term loans amortized cost basis by origination, prior	1,405,730		1,405,730		1,103,500
Total loans	7,868,836		7,868,836		7,895,108
Total commercial and industrial | Owner-occupied | Pass | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	828,919		828,919		866,920
Total commercial and industrial | Owner-occupied | Pass | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial and industrial | Owner-occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	1,420		1,420		4,238
Term loans amortized cost basis by origination, before current fiscal year	6,806		6,806		6,760
Term loans amortized cost basis by origination, two years before current fiscal year	17,532		17,532		24,175
Term loans amortized cost basis by origination, three years before current fiscal year	4,314		4,314		13,913
Term loans amortized cost basis by origination, four years before current fiscal year	7,855		7,855		5,024
Term loans amortized cost basis by origination, prior	87,726		87,726		69,500
Total loans	186,025		186,025		123,610
Total commercial and industrial | Owner-occupied | Special Mention | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	60,372		60,372		0
Total commercial and industrial | Owner-occupied | Special Mention | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial and industrial | Owner-occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	4,110		4,110		19,437
Term loans amortized cost basis by origination, before current fiscal year	22,810		22,810		13,381
Term loans amortized cost basis by origination, two years before current fiscal year	14,596		14,596		63,925
Term loans amortized cost basis by origination, three years before current fiscal year	47,683		47,683		7,415
Term loans amortized cost basis by origination, four years before current fiscal year	17,903		17,903		51,364
Term loans amortized cost basis by origination, prior	92,433		92,433		17,755
Total loans	211,127		211,127		173,277
Total commercial and industrial | Owner-occupied | Substandard | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	11,592		11,592		0
Total commercial and industrial | Owner-occupied | Substandard | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial and industrial | Owner-occupied | Loss
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		245
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	16,000		16,000		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
Total loans	16,000		16,000		245
Total commercial and industrial | Owner-occupied | Loss | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial and industrial | Owner-occupied | Loss | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	715,675		715,675		3,050,240
Term loans amortized cost basis by origination, before current fiscal year	3,146,434		3,146,434		3,488,664
Term loans amortized cost basis by origination, two years before current fiscal year	3,329,227		3,329,227		1,600,213
Term loans amortized cost basis by origination, three years before current fiscal year	1,311,306		1,311,306		1,311,330
Term loans amortized cost basis by origination, four years before current fiscal year	1,208,791		1,208,791		910,001
Term loans amortized cost basis by origination, prior	2,297,837		2,297,837		1,674,752
Total loans	12,394,853		12,394,853		12,650,313
Gross charge-offs
Year One			546
Year Two			7,685
Year Three			5,610
Year Four			3,878
Year Five			1,893
Prior			744
Amortized Cost Basis			3,109
Converted to Term Loans			0
Total			23,465
Total commercial real estate | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	385,583		385,583		615,113
Total commercial real estate | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate | Investment properties
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	468,121		468,121		2,680,012
Term loans amortized cost basis by origination, before current fiscal year	2,888,484		2,888,484		3,248,674
Term loans amortized cost basis by origination, two years before current fiscal year	3,164,174		3,164,174		1,532,406
Term loans amortized cost basis by origination, three years before current fiscal year	1,259,059		1,259,059		1,237,232
Term loans amortized cost basis by origination, four years before current fiscal year	1,142,410		1,142,410		833,422
Term loans amortized cost basis by origination, prior	2,138,625		2,138,625		1,550,043
Total loans	11,377,755		11,377,755		11,644,047
Gross charge-offs
Year One			546
Year Two			7,685
Year Three			5,610
Year Four			3,801
Year Five			1,893
Prior			720
Amortized Cost Basis			3,109
Converted to Term Loans			0
Total			23,364
Total commercial real estate | Investment properties | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	316,882		316,882		562,258
Total commercial real estate | Investment properties | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate | Investment properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	465,804		465,804		2,671,660
Term loans amortized cost basis by origination, before current fiscal year	2,885,666		2,885,666		3,245,669
Term loans amortized cost basis by origination, two years before current fiscal year	3,050,669		3,050,669		1,532,230
Term loans amortized cost basis by origination, three years before current fiscal year	1,258,558		1,258,558		1,220,974
Term loans amortized cost basis by origination, four years before current fiscal year	1,092,611		1,092,611		775,747
Term loans amortized cost basis by origination, prior	1,997,336		1,997,336		1,543,724
Total loans	11,067,526		11,067,526		11,531,122
Total commercial real estate | Investment properties | Pass | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	316,882		316,882		541,118
Total commercial real estate | Investment properties | Pass | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate | Investment properties | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	0		0		2,379
Term loans amortized cost basis by origination, before current fiscal year	1,089		1,089		1,550
Term loans amortized cost basis by origination, two years before current fiscal year	72,320		72,320		0
Term loans amortized cost basis by origination, three years before current fiscal year	0		0		14,570
Term loans amortized cost basis by origination, four years before current fiscal year	48,155		48,155		5,908
Term loans amortized cost basis by origination, prior	31,560		31,560		2,388
Total loans	153,124		153,124		26,941
Total commercial real estate | Investment properties | Special Mention | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		146
Total commercial real estate | Investment properties | Special Mention | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate | Investment properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	2,317		2,317		5,973
Term loans amortized cost basis by origination, before current fiscal year	1,729		1,729		1,455
Term loans amortized cost basis by origination, two years before current fiscal year	41,185		41,185		176
Term loans amortized cost basis by origination, three years before current fiscal year	501		501		1,688
Term loans amortized cost basis by origination, four years before current fiscal year	1,644		1,644		51,767
Term loans amortized cost basis by origination, prior	82,264		82,264		3,931
Total loans	129,640		129,640		85,984
Total commercial real estate | Investment properties | Substandard | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		20,994
Total commercial real estate | Investment properties | Substandard | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate | Investment properties | Doubtful(2)
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	27,427		27,427
Total loans	27,427		27,427
Total commercial real estate | Investment properties | Doubtful(2) | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0
Total commercial real estate | Investment properties | Doubtful(2) | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0
Total commercial real estate | Investment properties | Loss
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	38		38
Total loans	38		38
Total commercial real estate | Investment properties | Loss | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0
Total commercial real estate | Investment properties | Loss | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0
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	152,239		152,239		249,728
Term loans amortized cost basis by origination, before current fiscal year	157,050		157,050		155,610
Term loans amortized cost basis by origination, two years before current fiscal year	117,009		117,009		44,859
Term loans amortized cost basis by origination, three years before current fiscal year	34,360		34,360		33,987
Term loans amortized cost basis by origination, four years before current fiscal year	31,680		31,680		27,889
Term loans amortized cost basis by origination, prior	61,480		61,480		57,083
Total loans	620,904		620,904		616,933
Gross charge-offs
Year One			0
Year Two			0
Year Three			0
Year Four			0
Year Five			0
Prior			24
Amortized Cost Basis			0
Converted to Term Loans			0
Total			24
Total commercial real estate | 1-4 family properties | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	67,086		67,086		47,777
Total commercial real estate | 1-4 family properties | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate | 1-4 family properties | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	148,733		148,733		248,418
Term loans amortized cost basis by origination, before current fiscal year	154,664		154,664		154,181
Term loans amortized cost basis by origination, two years before current fiscal year	116,152		116,152		44,032
Term loans amortized cost basis by origination, three years before current fiscal year	33,752		33,752		33,246
Term loans amortized cost basis by origination, four years before current fiscal year	31,342		31,342		27,053
Term loans amortized cost basis by origination, prior	59,734		59,734		55,543
Total loans	611,417		611,417		610,205
Total commercial real estate | 1-4 family properties | Pass | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	67,040		67,040		47,732
Total commercial real estate | 1-4 family properties | Pass | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate | 1-4 family properties | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	1,836		1,836		1
Term loans amortized cost basis by origination, before current fiscal year	1,567		1,567		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		752
Term loans amortized cost basis by origination, three years before current fiscal year	189		189		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	317		317		297
Total loans	3,910		3,910		1,050
Total commercial real estate | 1-4 family properties | Special Mention | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1		1		0
Total commercial real estate | 1-4 family properties | Special Mention | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate | 1-4 family properties | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	1,670		1,670		1,309
Term loans amortized cost basis by origination, before current fiscal year	819		819		1,429
Term loans amortized cost basis by origination, two years before current fiscal year	857		857		75
Term loans amortized cost basis by origination, three years before current fiscal year	419		419		741
Term loans amortized cost basis by origination, four years before current fiscal year	338		338		836
Term loans amortized cost basis by origination, prior	1,429		1,429		1,243
Total loans	5,577		5,577		5,678
Total commercial real estate | 1-4 family properties | Substandard | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	45		45		45
Total commercial real estate | 1-4 family properties | Substandard | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate | Land and development
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	95,315		95,315		120,500
Term loans amortized cost basis by origination, before current fiscal year	100,900		100,900		84,380
Term loans amortized cost basis by origination, two years before current fiscal year	48,044		48,044		22,948
Term loans amortized cost basis by origination, three years before current fiscal year	17,887		17,887		40,111
Term loans amortized cost basis by origination, four years before current fiscal year	34,701		34,701		48,690
Term loans amortized cost basis by origination, prior	97,732		97,732		67,626
Total loans	396,194		396,194		389,333
Gross charge-offs
Year One			0
Year Two			0
Year Three			0
Year Four			77
Year Five			0
Prior			0
Amortized Cost Basis			0
Converted to Term Loans			0
Total			77
Total commercial real estate | Land and development | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,615		1,615		5,078
Total commercial real estate | Land and development | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate | Land and development | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	93,947		93,947		119,801
Term loans amortized cost basis by origination, before current fiscal year	99,914		99,914		84,055
Term loans amortized cost basis by origination, two years before current fiscal year	48,010		48,010		21,984
Term loans amortized cost basis by origination, three years before current fiscal year	17,182		17,182		39,484
Term loans amortized cost basis by origination, four years before current fiscal year	34,099		34,099		18,600
Term loans amortized cost basis by origination, prior	66,548		66,548		64,854
Total loans	361,315		361,315		353,856
Total commercial real estate | Land and development | Pass | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,615		1,615		5,078
Total commercial real estate | Land and development | Pass | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate | Land and development | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	787		787		0
Term loans amortized cost basis by origination, before current fiscal year	503		503		0
Term loans amortized cost basis by origination, two years before current fiscal year	0		0		744
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		29,618
Term loans amortized cost basis by origination, prior	943		943		1,118
Total loans	2,233		2,233		31,480
Total commercial real estate | Land and development | Special Mention | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate | Land and development | Special Mention | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate | Land and development | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	581		581		699
Term loans amortized cost basis by origination, before current fiscal year	483		483		325
Term loans amortized cost basis by origination, two years before current fiscal year	34		34		220
Term loans amortized cost basis by origination, three years before current fiscal year	705		705		627
Term loans amortized cost basis by origination, four years before current fiscal year	602		602		472
Term loans amortized cost basis by origination, prior	30,241		30,241		1,654
Total loans	32,646		32,646		3,997
Total commercial real estate | Land and development | Substandard | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total commercial real estate | Land and development | Substandard | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	722,314		722,314		1,144,104
Term loans amortized cost basis by origination, before current fiscal year	1,024,705		1,024,705		1,723,515
Term loans amortized cost basis by origination, two years before current fiscal year	1,325,790		1,325,790		1,823,916
Term loans amortized cost basis by origination, three years before current fiscal year	1,387,923		1,387,923		530,359
Term loans amortized cost basis by origination, four years before current fiscal year	465,084		465,084		220,826
Term loans amortized cost basis by origination, prior	1,315,762		1,315,762		1,282,167
Total loans	8,504,103		8,504,103		8,999,384
Gross charge-offs
Year One			197
Year Two			4,346
Year Three			20,328
Year Four			3,146
Year Five			2,147
Prior			2,509
Amortized Cost Basis			8,142
Converted to Term Loans			49
Total			40,864
Total consumer | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,763,527		1,763,527		1,765,596
Total consumer | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	498,998		498,998		508,901
Total consumer | Consumer mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	607,013		607,013		858,642
Term loans amortized cost basis by origination, before current fiscal year	822,879		822,879		1,195,104
Term loans amortized cost basis by origination, two years before current fiscal year	1,076,148		1,076,148		1,364,584
Term loans amortized cost basis by origination, three years before current fiscal year	1,260,659		1,260,659		467,887
Term loans amortized cost basis by origination, four years before current fiscal year	431,099		431,099		189,001
Term loans amortized cost basis by origination, prior	1,193,450		1,193,450		1,139,082
Total loans	5,391,282		5,391,282		5,214,443
Gross charge-offs
Year One			0
Year Two			108
Year Three			251
Year Four			372
Year Five			365
Prior			965
Amortized Cost Basis			5
Converted to Term Loans			0
Total			2,066
Total consumer | Consumer mortgages | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	34		34		143
Total consumer | Consumer mortgages | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total consumer | Consumer mortgages | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	607,009		607,009		857,489
Term loans amortized cost basis by origination, before current fiscal year	821,002		821,002		1,188,652
Term loans amortized cost basis by origination, two years before current fiscal year	1,070,115		1,070,115		1,356,065
Term loans amortized cost basis by origination, three years before current fiscal year	1,245,466		1,245,466		458,441
Term loans amortized cost basis by origination, four years before current fiscal year	422,631		422,631		182,834
Term loans amortized cost basis by origination, prior	1,168,922		1,168,922		1,118,686
Total loans	5,335,179		5,335,179		5,162,310
Total consumer | Consumer mortgages | Pass | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	34		34		143
Total consumer | Consumer mortgages | Pass | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total consumer | Consumer mortgages | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	4		4		1,153
Term loans amortized cost basis by origination, before current fiscal year	1,877		1,877		6,452
Term loans amortized cost basis by origination, two years before current fiscal year	6,033		6,033		8,519
Term loans amortized cost basis by origination, three years before current fiscal year	15,193		15,193		9,442
Term loans amortized cost basis by origination, four years before current fiscal year	8,464		8,464		6,167
Term loans amortized cost basis by origination, prior	23,841		23,841		19,662
Total loans	55,412		55,412		51,395
Total consumer | Consumer mortgages | Substandard | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total consumer | Consumer mortgages | Substandard | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total consumer | Consumer mortgages | Loss
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		4
Term loans amortized cost basis by origination, four years before current fiscal year	4		4		0
Term loans amortized cost basis by origination, prior	687		687		734
Total loans	691		691		738
Total consumer | Consumer mortgages | Loss | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total consumer | Consumer mortgages | Loss | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
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
Total loans	1,784,356		1,784,356		1,757,038
Gross charge-offs
Year One			0
Year Two			0
Year Three			0
Year Four			0
Year Five			0
Prior			79
Amortized Cost Basis			555
Converted to Term Loans			49
Total			683
Total consumer | Home equity | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,285,358		1,285,358		1,248,137
Total consumer | Home equity | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	498,998		498,998		508,901
Total consumer | Home equity | Pass
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
Total loans	1,769,734		1,769,734		1,745,473
Total consumer | Home equity | Pass | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,275,873		1,275,873		1,241,201
Total consumer | Home equity | Pass | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	493,861		493,861		504,272
Total consumer | Home equity | Substandard
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
Total loans	14,358		14,358		11,046
Total consumer | Home equity | Substandard | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	9,305		9,305		6,534
Total consumer | Home equity | Substandard | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	5,053		5,053		4,512
Total consumer | Home equity | Loss
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
Total loans	264		264		519
Total consumer | Home equity | Loss | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	180		180		402
Total consumer | Home equity | Loss | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	84		84		117
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
Total loans	191,046		191,046		203,612
Gross charge-offs
Year One			0
Year Two			0
Year Three			0
Year Four			0
Year Five			0
Prior			0
Amortized Cost Basis			5,592
Converted to Term Loans			0
Total			5,592
Total consumer | Credit cards | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	191,046		191,046		203,612
Total consumer | Credit cards | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total consumer | Credit cards | Pass
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
Total loans	189,384		189,384		201,898
Total consumer | Credit cards | Pass | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	189,384		189,384		201,898
Total consumer | Credit cards | Pass | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total consumer | Credit cards | Substandard
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
Total loans	623		623		617
Total consumer | Credit cards | Substandard | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	623		623		617
Total consumer | Credit cards | Substandard | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total consumer | Credit cards | Loss
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
Total loans	1,039		1,039		1,097
Total consumer | Credit cards | Loss | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,039		1,039		1,097
Total consumer | Credit cards | Loss | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total consumer | Other consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	115,301		115,301		285,462
Term loans amortized cost basis by origination, before current fiscal year	201,826		201,826		528,411
Term loans amortized cost basis by origination, two years before current fiscal year	249,642		249,642		459,332
Term loans amortized cost basis by origination, three years before current fiscal year	127,264		127,264		62,472
Term loans amortized cost basis by origination, four years before current fiscal year	33,985		33,985		31,825
Term loans amortized cost basis by origination, prior	122,312		122,312		143,085
Total loans	1,137,419		1,137,419		1,824,291
Gross charge-offs
Year One			197
Year Two			4,238
Year Three			20,077
Year Four			2,774
Year Five			1,782
Prior			1,465
Amortized Cost Basis			1,990
Converted to Term Loans			0
Total			32,523
Total consumer | Other consumer loans | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	287,089		287,089		313,704
Total consumer | Other consumer loans | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total consumer | Other consumer loans | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	114,915		114,915		284,045
Term loans amortized cost basis by origination, before current fiscal year	200,898		200,898		524,601
Term loans amortized cost basis by origination, two years before current fiscal year	245,049		245,049		457,684
Term loans amortized cost basis by origination, three years before current fiscal year	125,654		125,654		61,760
Term loans amortized cost basis by origination, four years before current fiscal year	33,574		33,574		31,662
Term loans amortized cost basis by origination, prior	121,528		121,528		142,189
Total loans	1,128,613		1,128,613		1,815,506
Total consumer | Other consumer loans | Pass | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	286,995		286,995		313,565
Total consumer | Other consumer loans | Pass | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total consumer | Other consumer loans | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Term loans amortized cost basis by origination, current fiscal year	386		386		1,417
Term loans amortized cost basis by origination, before current fiscal year	928		928		3,810
Term loans amortized cost basis by origination, two years before current fiscal year	4,593		4,593		1,648
Term loans amortized cost basis by origination, three years before current fiscal year	1,610		1,610		712
Term loans amortized cost basis by origination, four years before current fiscal year	411		411		163
Term loans amortized cost basis by origination, prior	778		778		888
Total loans	8,800		8,800		8,777
Total consumer | Other consumer loans | Substandard | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	94		94		139
Total consumer | Other consumer loans | Substandard | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total consumer | Other consumer loans | Loss
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	6		6		8
Total loans	6		6		8
Total consumer | Other consumer loans | Loss | Revolving Loans Amortized Cost Basis
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	0		0		0
Total consumer | Other consumer loans | Loss | Revolving Loans Converted to Term Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 0		$ 0		$ 0