XML 69 R58.htm IDEA: XBRL DOCUMENT v3.26.1

Loans - Credit risk profile by risk grade of commercial and consumer loans (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Loans
Amortized Cost Basis by Origination Year - 2026/2025	$ 3,519,015		$ 9,243,653
Amortized Cost Basis by Origination Year - 2025/2024	8,760,113		4,722,088
Amortized Cost Basis by Origination Year - 2024/2023	4,427,372		4,528,671
Amortized Cost Basis by Origination Year - 2023/2022	4,147,244		10,162,437
Amortized Cost Basis by Origination Year - 2022/2021	9,687,508		6,426,402
Amortized Cost Basis by Origination Year - Prior	13,957,636		8,550,891
Amortized Cost Basis by Origination Year - Revolving	4,997,895		4,964,385
Total loans	49,496,783		48,598,527
Current-period gross charge-offs - 2026/2025	117		24,847
Current-period gross charge-offs - 2025/2024	987		4,851
Current-period gross charge-offs - 2024/2023	6,769		11,681
Current-period gross charge-offs - 2023/2022	2,413		13,326
Current-period gross charge-offs - 2022/2021	1,153		31,080
Current-period gross charge-offs - Prior	1,427		26,138
Current-period gross charge-offs - Revolving	1,568		16,064
Current-period gross charge-offs - Total	14,434	$ 7,422	127,987
30 days past due
Loans
Total loans	78,674		73,810
60 days past due
Loans
Total loans	13,923		15,034
90 days past due
Loans
Total loans	8,901		4,941
Construction and land development
Loans
Total loans	2,592,908		2,548,360
Construction and land development | 30 days past due
Loans
Total loans	4,530		3,018
Construction and land development | 60 days past due
Loans
Total loans			472
Construction and land development | 90 days past due
Loans
Total loans			139
Commercial and industrial
Loans
Total loans	9,385,926		9,181,408
Commercial and industrial | 30 days past due
Loans
Total loans	23,652		24,890
Commercial and industrial | 60 days past due
Loans
Total loans	6,779		5,860
Commercial and industrial | 90 days past due
Loans
Total loans	6,818		2,913
Other income producing property
Loans
Total loans	1,201,200		1,232,153
Other income producing property | 30 days past due
Loans
Total loans	660		1,582
Other income producing property | 60 days past due
Loans
Total loans	414		827
Other income producing property | 90 days past due
Loans
Total loans			615
Consumer owner-occupied
Loans
Total loans	8,717,832		8,618,434
Consumer owner-occupied | 30 days past due
Loans
Total loans	12,792		16,301
Consumer owner-occupied | 60 days past due
Loans
Total loans	201		901
Other loans
Loans
Total loans	50,166		2,366
Home equity loans
Loans
Total loans	1,856,065		1,831,789
Home equity loans | 30 days past due
Loans
Total loans	3,124		2,739
Home equity loans | 60 days past due
Loans
Total loans	2,025		1,226
Home equity loans | 90 days past due
Loans
Total loans	2		1
Consumer
Loans
Total loans	923,413		955,266
Consumer | 30 days past due
Loans
Total loans	1,728		2,002
Consumer | 60 days past due
Loans
Total loans	481		793
Commercial loans
Loans
Amortized Cost Basis by Origination Year - 2026/2025	3,115,617		7,729,285
Amortized Cost Basis by Origination Year - 2025/2024	7,248,364		3,835,381
Amortized Cost Basis by Origination Year - 2024/2023	3,602,811		3,300,411
Amortized Cost Basis by Origination Year - 2023/2022	2,999,580		7,479,397
Amortized Cost Basis by Origination Year - 2022/2021	7,071,699		4,673,562
Amortized Cost Basis by Origination Year - Prior	10,523,543		6,767,810
Amortized Cost Basis by Origination Year - Revolving	3,087,521		3,072,965
Total loans	37,649,135		36,858,811
Current-period gross charge-offs - 2026/2025	89		24,335
Current-period gross charge-offs - 2025/2024	603		2,947
Current-period gross charge-offs - 2024/2023	5,818		9,790
Current-period gross charge-offs - 2023/2022	1,566		12,022
Current-period gross charge-offs - 2022/2021	866		30,913
Current-period gross charge-offs - Prior	1,304		22,961
Current-period gross charge-offs - Revolving	352		10,057
Current-period gross charge-offs - Total	10,598		113,025
Commercial loans | Pass
Loans
Amortized Cost Basis by Origination Year - 2026/2025	3,051,594		7,456,842
Amortized Cost Basis by Origination Year - 2025/2024	7,027,024		3,688,465
Amortized Cost Basis by Origination Year - 2024/2023	3,477,111		2,926,089
Amortized Cost Basis by Origination Year - 2023/2022	2,621,601		6,269,829
Amortized Cost Basis by Origination Year - 2022/2021	5,863,170		4,204,200
Amortized Cost Basis by Origination Year - Prior	9,681,702		6,263,876
Amortized Cost Basis by Origination Year - Revolving	2,946,186		2,920,183
Total loans	34,668,388		33,729,484
Commercial loans | Special mention
Loans
Amortized Cost Basis by Origination Year - 2026/2025	11,812		64,406
Amortized Cost Basis by Origination Year - 2025/2024	51,334		21,787
Amortized Cost Basis by Origination Year - 2024/2023	20,022		134,837
Amortized Cost Basis by Origination Year - 2023/2022	71,429		421,253
Amortized Cost Basis by Origination Year - 2022/2021	377,657		37,051
Amortized Cost Basis by Origination Year - Prior	152,889		120,060
Amortized Cost Basis by Origination Year - Revolving	10,282		25,911
Total loans	695,425		825,305
Commercial loans | Substandard
Loans
Amortized Cost Basis by Origination Year - 2026/2025	52,207		208,028
Amortized Cost Basis by Origination Year - 2025/2024	169,995		125,122
Amortized Cost Basis by Origination Year - 2024/2023	105,651		239,442
Amortized Cost Basis by Origination Year - 2023/2022	306,498		788,247
Amortized Cost Basis by Origination Year - 2022/2021	830,802		432,260
Amortized Cost Basis by Origination Year - Prior	688,915		383,864
Amortized Cost Basis by Origination Year - Revolving	130,981		126,865
Total loans	2,285,049		2,303,828
Commercial loans | Doubtful
Loans
Amortized Cost Basis by Origination Year - 2026/2025	4		9
Amortized Cost Basis by Origination Year - 2025/2024	11		7
Amortized Cost Basis by Origination Year - 2024/2023	27		43
Amortized Cost Basis by Origination Year - 2023/2022	52		68
Amortized Cost Basis by Origination Year - 2022/2021	70		51
Amortized Cost Basis by Origination Year - Prior	37		10
Amortized Cost Basis by Origination Year - Revolving	72		6
Total loans	273		194
Commercial loans | Construction and land development
Loans
Amortized Cost Basis by Origination Year - 2026/2025	175,071		868,033
Amortized Cost Basis by Origination Year - 2025/2024	950,142		582,902
Amortized Cost Basis by Origination Year - 2024/2023	543,891		298,616
Amortized Cost Basis by Origination Year - 2023/2022	190,035		201,964
Amortized Cost Basis by Origination Year - 2022/2021	107,651		59,041
Amortized Cost Basis by Origination Year - Prior	96,648		47,051
Amortized Cost Basis by Origination Year - Revolving	169,042		147,911
Total loans	2,232,480		2,205,518
Current-period gross charge-offs - 2022/2021			16
Current-period gross charge-offs - Prior	166
Current-period gross charge-offs - Total	166		16
Commercial loans | Construction and land development | Pass
Loans
Amortized Cost Basis by Origination Year - 2026/2025	173,000		862,035
Amortized Cost Basis by Origination Year - 2025/2024	944,346		575,253
Amortized Cost Basis by Origination Year - 2024/2023	536,790		264,370
Amortized Cost Basis by Origination Year - 2023/2022	155,974		175,486
Amortized Cost Basis by Origination Year - 2022/2021	102,693		57,814
Amortized Cost Basis by Origination Year - Prior	89,586		40,977
Amortized Cost Basis by Origination Year - Revolving	168,322		147,911
Total loans	2,170,711		2,123,846
Commercial loans | Construction and land development | Special mention
Loans
Amortized Cost Basis by Origination Year - 2026/2025			706
Amortized Cost Basis by Origination Year - 2025/2024	693		137
Amortized Cost Basis by Origination Year - 2024/2023	129		1,815
Amortized Cost Basis by Origination Year - 2023/2022	1,803		20,580
Amortized Cost Basis by Origination Year - 2022/2021	4,020		335
Amortized Cost Basis by Origination Year - Prior	819		510
Amortized Cost Basis by Origination Year - Revolving	720
Total loans	8,184		24,083
Commercial loans | Construction and land development | Substandard
Loans
Amortized Cost Basis by Origination Year - 2026/2025	2,071		5,292
Amortized Cost Basis by Origination Year - 2025/2024	5,103		7,512
Amortized Cost Basis by Origination Year - 2024/2023	6,972		32,431
Amortized Cost Basis by Origination Year - 2023/2022	32,258		5,898
Amortized Cost Basis by Origination Year - 2022/2021	938		892
Amortized Cost Basis by Origination Year - Prior	6,243		5,564
Total loans	53,585		57,589
Commercial loans | Commercial non-owner-occupied
Loans
Amortized Cost Basis by Origination Year - 2026/2025	1,301,358		2,786,445
Amortized Cost Basis by Origination Year - 2025/2024	2,840,201		1,207,029
Amortized Cost Basis by Origination Year - 2024/2023	1,168,093		1,505,155
Amortized Cost Basis by Origination Year - 2023/2022	1,417,532		4,811,246
Amortized Cost Basis by Origination Year - 2022/2021	4,592,013		2,825,747
Amortized Cost Basis by Origination Year - Prior	5,563,230		3,319,488
Amortized Cost Basis by Origination Year - Revolving	215,311		196,650
Total loans	17,097,738		16,651,760
Current-period gross charge-offs - 2024/2023			4,565
Current-period gross charge-offs - 2023/2022			1,237
Current-period gross charge-offs - 2022/2021			18,033
Current-period gross charge-offs - Prior			9,800
Current-period gross charge-offs - Total			33,635
Commercial loans | Commercial non-owner-occupied | 30 days past due
Loans
Total loans	23,530		8,457
Commercial loans | Commercial non-owner-occupied | 60 days past due
Loans
Total loans	2,794		304
Commercial loans | Commercial non-owner-occupied | 90 days past due
Loans
Total loans	202		408
Commercial loans | Commercial non-owner-occupied | Pass
Loans
Amortized Cost Basis by Origination Year - 2026/2025	1,255,907		2,564,868
Amortized Cost Basis by Origination Year - 2025/2024	2,678,645		1,161,720
Amortized Cost Basis by Origination Year - 2024/2023	1,127,469		1,304,297
Amortized Cost Basis by Origination Year - 2023/2022	1,206,881		3,828,512
Amortized Cost Basis by Origination Year - 2022/2021	3,590,717		2,440,726
Amortized Cost Basis by Origination Year - Prior	4,965,255		2,996,445
Amortized Cost Basis by Origination Year - Revolving	213,741		185,751
Total loans	15,038,615		14,482,319
Commercial loans | Commercial non-owner-occupied | Special mention
Loans
Amortized Cost Basis by Origination Year - 2026/2025	11,475		51,864
Amortized Cost Basis by Origination Year - 2025/2024	40,197		17,084
Amortized Cost Basis by Origination Year - 2024/2023	12,643		100,316
Amortized Cost Basis by Origination Year - 2023/2022	48,965		383,957
Amortized Cost Basis by Origination Year - 2022/2021	357,823		27,680
Amortized Cost Basis by Origination Year - Prior	122,355		96,579
Amortized Cost Basis by Origination Year - Revolving	1,070		10,484
Total loans	594,528		687,964
Commercial loans | Commercial non-owner-occupied | Substandard
Loans
Amortized Cost Basis by Origination Year - 2026/2025	33,976		169,713
Amortized Cost Basis by Origination Year - 2025/2024	121,359		28,225
Amortized Cost Basis by Origination Year - 2024/2023	27,981		100,542
Amortized Cost Basis by Origination Year - 2023/2022	161,686		598,777
Amortized Cost Basis by Origination Year - 2022/2021	643,473		357,340
Amortized Cost Basis by Origination Year - Prior	475,616		226,461
Amortized Cost Basis by Origination Year - Revolving	500		415
Total loans	1,464,591		1,481,473
Commercial loans | Commercial non-owner-occupied | Doubtful
Loans
Amortized Cost Basis by Origination Year - 2022/2021			1
Amortized Cost Basis by Origination Year - Prior	4		3
Total loans	4		4
Commercial loans | Commercial owner-occupied
Loans
Amortized Cost Basis by Origination Year - 2026/2025	352,573		1,234,776
Amortized Cost Basis by Origination Year - 2025/2024	1,263,676		816,582
Amortized Cost Basis by Origination Year - 2024/2023	743,733		699,138
Amortized Cost Basis by Origination Year - 2023/2022	688,555		1,231,830
Amortized Cost Basis by Origination Year - 2022/2021	1,227,738		1,150,101
Amortized Cost Basis by Origination Year - Prior	3,296,124		2,339,588
Amortized Cost Basis by Origination Year - Revolving	99,136		104,976
Total loans	7,671,535		7,576,991
Current-period gross charge-offs - 2026/2025			1,095
Current-period gross charge-offs - 2024/2023	11		874
Current-period gross charge-offs - 2023/2022	45		1,628
Current-period gross charge-offs - 2022/2021			184
Current-period gross charge-offs - Prior	38		1,317
Current-period gross charge-offs - Revolving			50
Current-period gross charge-offs - Total	94		5,148
Commercial loans | Commercial owner-occupied | 30 days past due
Loans
Total loans	8,658		14,821
Commercial loans | Commercial owner-occupied | 60 days past due
Loans
Total loans	1,229		4,651
Commercial loans | Commercial owner-occupied | 90 days past due
Loans
Total loans	1,879		865
Commercial loans | Commercial owner-occupied | Pass
Loans
Amortized Cost Basis by Origination Year - 2026/2025	347,687		1,210,501
Amortized Cost Basis by Origination Year - 2025/2024	1,236,738		777,109
Amortized Cost Basis by Origination Year - 2024/2023	719,477		634,593
Amortized Cost Basis by Origination Year - 2023/2022	628,145		1,105,730
Amortized Cost Basis by Origination Year - 2022/2021	1,091,286		1,110,749
Amortized Cost Basis by Origination Year - Prior	3,147,003		2,218,753
Amortized Cost Basis by Origination Year - Revolving	96,577		102,835
Total loans	7,266,913		7,160,270
Commercial loans | Commercial owner-occupied | Special mention
Loans
Amortized Cost Basis by Origination Year - 2026/2025			4,609
Amortized Cost Basis by Origination Year - 2025/2024	5,273		1,075
Amortized Cost Basis by Origination Year - 2024/2023	3,637		12,204
Amortized Cost Basis by Origination Year - 2023/2022	12,317		10,424
Amortized Cost Basis by Origination Year - 2022/2021	10,784		5,539
Amortized Cost Basis by Origination Year - Prior	23,063		17,866
Amortized Cost Basis by Origination Year - Revolving	487		438
Total loans	55,561		52,155
Commercial loans | Commercial owner-occupied | Substandard
Loans
Amortized Cost Basis by Origination Year - 2026/2025	4,886		19,657
Amortized Cost Basis by Origination Year - 2025/2024	21,656		38,394
Amortized Cost Basis by Origination Year - 2024/2023	20,615		52,341
Amortized Cost Basis by Origination Year - 2023/2022	48,093		115,676
Amortized Cost Basis by Origination Year - 2022/2021	125,668		33,813
Amortized Cost Basis by Origination Year - Prior	126,054		102,965
Amortized Cost Basis by Origination Year - Revolving	2,072		1,703
Total loans	349,044		364,549
Commercial loans | Commercial owner-occupied | Doubtful
Loans
Amortized Cost Basis by Origination Year - 2026/2025			9
Amortized Cost Basis by Origination Year - 2025/2024	9		4
Amortized Cost Basis by Origination Year - 2024/2023	4
Amortized Cost Basis by Origination Year - Prior	4		4
Total loans	17		17
Commercial loans | Commercial and industrial
Loans
Amortized Cost Basis by Origination Year - 2026/2025	1,181,688		2,659,224
Amortized Cost Basis by Origination Year - 2025/2024	2,017,894		1,109,080
Amortized Cost Basis by Origination Year - 2024/2023	1,041,674		686,015
Amortized Cost Basis by Origination Year - 2023/2022	606,237		934,927
Amortized Cost Basis by Origination Year - 2022/2021	864,666		451,504
Amortized Cost Basis by Origination Year - Prior	1,163,556		805,673
Amortized Cost Basis by Origination Year - Revolving	2,510,211		2,534,985
Total loans	9,385,926		9,181,408
Current-period gross charge-offs - 2026/2025	89		23,240
Current-period gross charge-offs - 2025/2024	603		2,947
Current-period gross charge-offs - 2024/2023	5,807		4,351
Current-period gross charge-offs - 2023/2022	1,521		9,157
Current-period gross charge-offs - 2022/2021	866		12,680
Current-period gross charge-offs - Prior	1,100		11,844
Current-period gross charge-offs - Revolving	352		10,007
Current-period gross charge-offs - Total	10,338		74,226
Commercial loans | Commercial and industrial | Pass
Loans
Amortized Cost Basis by Origination Year - 2026/2025	1,170,424		2,644,081
Amortized Cost Basis by Origination Year - 2025/2024	1,996,467		1,056,432
Amortized Cost Basis by Origination Year - 2024/2023	989,560		613,536
Amortized Cost Basis by Origination Year - 2023/2022	535,461		876,480
Amortized Cost Basis by Origination Year - 2022/2021	812,299		410,578
Amortized Cost Basis by Origination Year - Prior	1,099,481		771,994
Amortized Cost Basis by Origination Year - Revolving	2,375,124		2,396,981
Total loans	8,978,816		8,770,082
Commercial loans | Commercial and industrial | Special mention
Loans
Amortized Cost Basis by Origination Year - 2026/2025	263		5,089
Amortized Cost Basis by Origination Year - 2025/2024	3,216		2,283
Amortized Cost Basis by Origination Year - 2024/2023	2,647		20,226
Amortized Cost Basis by Origination Year - 2023/2022	8,168		6,023
Amortized Cost Basis by Origination Year - 2022/2021	4,767		2,955
Amortized Cost Basis by Origination Year - Prior	4,379		2,208
Amortized Cost Basis by Origination Year - Revolving	7,495		14,387
Total loans	30,935		53,171
Commercial loans | Commercial and industrial | Substandard
Loans
Amortized Cost Basis by Origination Year - 2026/2025	10,997		10,054
Amortized Cost Basis by Origination Year - 2025/2024	18,209		50,362
Amortized Cost Basis by Origination Year - 2024/2023	49,444		52,210
Amortized Cost Basis by Origination Year - 2023/2022	62,556		52,356
Amortized Cost Basis by Origination Year - 2022/2021	47,530		37,921
Amortized Cost Basis by Origination Year - Prior	59,668		31,469
Amortized Cost Basis by Origination Year - Revolving	127,520		123,611
Total loans	375,924		357,983
Commercial loans | Commercial and industrial | Doubtful
Loans
Amortized Cost Basis by Origination Year - 2026/2025	4
Amortized Cost Basis by Origination Year - 2025/2024	2		3
Amortized Cost Basis by Origination Year - 2024/2023	23		43
Amortized Cost Basis by Origination Year - 2023/2022	52		68
Amortized Cost Basis by Origination Year - 2022/2021	70		50
Amortized Cost Basis by Origination Year - Prior	28		2
Amortized Cost Basis by Origination Year - Revolving	72		6
Total loans	251		172
Commercial loans | Other income producing property
Loans
Amortized Cost Basis by Origination Year - 2026/2025	53,492		161,360
Amortized Cost Basis by Origination Year - 2025/2024	158,862		115,147
Amortized Cost Basis by Origination Year - 2024/2023	100,881		90,946
Amortized Cost Basis by Origination Year - 2023/2022	78,832		288,481
Amortized Cost Basis by Origination Year - 2022/2021	269,023		176,024
Amortized Cost Basis by Origination Year - Prior	368,332		230,603
Amortized Cost Basis by Origination Year - Revolving	64,426		56,813
Total loans	1,093,848		1,119,374
Commercial loans | Other income producing property | Pass
Loans
Amortized Cost Basis by Origination Year - 2026/2025	53,141		157,404
Amortized Cost Basis by Origination Year - 2025/2024	155,107		114,264
Amortized Cost Basis by Origination Year - 2024/2023	100,011		88,883
Amortized Cost Basis by Origination Year - 2023/2022	76,881		272,672
Amortized Cost Basis by Origination Year - 2022/2021	255,567		173,188
Amortized Cost Basis by Origination Year - Prior	344,789		210,459
Amortized Cost Basis by Origination Year - Revolving	63,612		55,663
Total loans	1,049,108		1,072,533
Commercial loans | Other income producing property | Special mention
Loans
Amortized Cost Basis by Origination Year - 2026/2025	74		2,020
Amortized Cost Basis by Origination Year - 2025/2024	1,844		463
Amortized Cost Basis by Origination Year - 2024/2023	231		145
Amortized Cost Basis by Origination Year - 2023/2022	46		269
Amortized Cost Basis by Origination Year - 2022/2021	263		542
Amortized Cost Basis by Origination Year - Prior	2,273		2,897
Amortized Cost Basis by Origination Year - Revolving	510		602
Total loans	5,241		6,938
Commercial loans | Other income producing property | Substandard
Loans
Amortized Cost Basis by Origination Year - 2026/2025	277		1,936
Amortized Cost Basis by Origination Year - 2025/2024	1,911		420
Amortized Cost Basis by Origination Year - 2024/2023	639		1,918
Amortized Cost Basis by Origination Year - 2023/2022	1,905		15,540
Amortized Cost Basis by Origination Year - 2022/2021	13,193		2,294
Amortized Cost Basis by Origination Year - Prior	21,270		17,247
Amortized Cost Basis by Origination Year - Revolving	304		548
Total loans	39,499		39,903
Commercial loans | Consumer owner-occupied
Loans
Amortized Cost Basis by Origination Year - 2026/2025	1,269		17,081
Amortized Cost Basis by Origination Year - 2025/2024	17,589		4,641
Amortized Cost Basis by Origination Year - 2024/2023	4,539		20,541
Amortized Cost Basis by Origination Year - 2023/2022	18,389		10,949
Amortized Cost Basis by Origination Year - 2022/2021	10,608		11,145
Amortized Cost Basis by Origination Year - Prior	35,653		25,407
Amortized Cost Basis by Origination Year - Revolving	29,395		31,630
Total loans	117,442		121,394
Commercial loans | Consumer owner-occupied | Pass
Loans
Amortized Cost Basis by Origination Year - 2026/2025	1,269		15,587
Amortized Cost Basis by Origination Year - 2025/2024	15,721		3,687
Amortized Cost Basis by Origination Year - 2024/2023	3,804		20,410
Amortized Cost Basis by Origination Year - 2023/2022	18,259		10,949
Amortized Cost Basis by Origination Year - 2022/2021	10,608		11,145
Amortized Cost Basis by Origination Year - Prior	35,588		25,248
Amortized Cost Basis by Origination Year - Revolving	28,810		31,042
Total loans	114,059		118,068
Commercial loans | Consumer owner-occupied | Special mention
Loans
Amortized Cost Basis by Origination Year - 2026/2025			118
Amortized Cost Basis by Origination Year - 2025/2024	111		745
Amortized Cost Basis by Origination Year - 2024/2023	735		131
Amortized Cost Basis by Origination Year - 2023/2022	130
Total loans	976		994
Commercial loans | Consumer owner-occupied | Substandard
Loans
Amortized Cost Basis by Origination Year - 2026/2025			1,376
Amortized Cost Basis by Origination Year - 2025/2024	1,757		209
Amortized Cost Basis by Origination Year - Prior	64		158
Amortized Cost Basis by Origination Year - Revolving	585		588
Total loans	2,406		2,331
Commercial loans | Consumer owner-occupied | Doubtful
Loans
Amortized Cost Basis by Origination Year - Prior	1		1
Total loans	1		1
Commercial loans | Other loans
Loans
Amortized Cost Basis by Origination Year - 2026/2025	50,166		2,366
Total loans	50,166		2,366
Commercial loans | Other loans | Pass
Loans
Amortized Cost Basis by Origination Year - 2026/2025	50,166		2,366
Total loans	50,166		2,366
Consumer loans
Loans
Amortized Cost Basis by Origination Year - 2026/2025	403,398		1,514,368
Amortized Cost Basis by Origination Year - 2025/2024	1,511,749		886,707
Amortized Cost Basis by Origination Year - 2024/2023	824,561		1,228,260
Amortized Cost Basis by Origination Year - 2023/2022	1,147,664		2,683,040
Amortized Cost Basis by Origination Year - 2022/2021	2,615,809		1,752,840
Amortized Cost Basis by Origination Year - Prior	3,434,093		1,783,081
Amortized Cost Basis by Origination Year - Revolving	1,910,374		1,891,420
Total loans	11,847,648		11,739,716
Current-period gross charge-offs - 2026/2025	28		512
Current-period gross charge-offs - 2025/2024	384		1,904
Current-period gross charge-offs - 2024/2023	951		1,891
Current-period gross charge-offs - 2023/2022	847		1,304
Current-period gross charge-offs - 2022/2021	287		167
Current-period gross charge-offs - Prior	123		3,177
Current-period gross charge-offs - Revolving	1,216		6,007
Current-period gross charge-offs - Total	3,836		14,962
Consumer loans | Current due
Loans
Amortized Cost Basis by Origination Year - 2026/2025	403,398		1,510,254
Amortized Cost Basis by Origination Year - 2025/2024	1,506,659		870,023
Amortized Cost Basis by Origination Year - 2024/2023	808,216		1,208,785
Amortized Cost Basis by Origination Year - 2023/2022	1,127,418		2,670,038
Amortized Cost Basis by Origination Year - 2022/2021	2,605,956		1,746,441
Amortized Cost Basis by Origination Year - Prior	3,411,347		1,769,417
Amortized Cost Basis by Origination Year - Revolving	1,903,670		1,886,056
Total loans	11,766,664		11,661,014
Consumer loans | 30 days past due
Loans
Amortized Cost Basis by Origination Year - 2026/2025			2,165
Amortized Cost Basis by Origination Year - 2025/2024	2,153		3,948
Amortized Cost Basis by Origination Year - 2024/2023	4,821		5,936
Amortized Cost Basis by Origination Year - 2023/2022	4,656		3,702
Amortized Cost Basis by Origination Year - 2022/2021	2,753		4,131
Amortized Cost Basis by Origination Year - Prior	7,576		5,166
Amortized Cost Basis by Origination Year - Revolving	3,211		2,827
Total loans	25,170		27,875
Consumer loans | 60 days past due
Loans
Amortized Cost Basis by Origination Year - 2026/2025			726
Amortized Cost Basis by Origination Year - 2025/2024	807		2,677
Amortized Cost Basis by Origination Year - 2024/2023	3,151		3,309
Amortized Cost Basis by Origination Year - 2023/2022	2,445		744
Amortized Cost Basis by Origination Year - 2022/2021	461		559
Amortized Cost Basis by Origination Year - Prior	2,275		2,018
Amortized Cost Basis by Origination Year - Revolving	1,883		1,680
Total loans	11,022		11,713
Consumer loans | 90 days past due
Loans
Amortized Cost Basis by Origination Year - 2026/2025			1,223
Amortized Cost Basis by Origination Year - 2025/2024	2,130		10,059
Amortized Cost Basis by Origination Year - 2024/2023	8,373		10,230
Amortized Cost Basis by Origination Year - 2023/2022	13,145		8,556
Amortized Cost Basis by Origination Year - 2022/2021	6,639		1,709
Amortized Cost Basis by Origination Year - Prior	12,895		6,480
Amortized Cost Basis by Origination Year - Revolving	1,610		857
Total loans	44,792		39,114
Consumer loans | Construction and land development
Loans
Amortized Cost Basis by Origination Year - 2026/2025	16,080		129,749
Amortized Cost Basis by Origination Year - 2025/2024	155,836		80,514
Amortized Cost Basis by Origination Year - 2024/2023	65,089		27,744
Amortized Cost Basis by Origination Year - 2023/2022	26,140		54,161
Amortized Cost Basis by Origination Year - 2022/2021	51,841		26,284
Amortized Cost Basis by Origination Year - Prior	45,442		24,390
Total loans	360,428		342,842
Consumer loans | Construction and land development | Current due
Loans
Amortized Cost Basis by Origination Year - 2026/2025	16,080		129,749
Amortized Cost Basis by Origination Year - 2025/2024	155,836		80,514
Amortized Cost Basis by Origination Year - 2024/2023	65,089		27,590
Amortized Cost Basis by Origination Year - 2023/2022	25,986		53,698
Amortized Cost Basis by Origination Year - 2022/2021	51,572		26,284
Amortized Cost Basis by Origination Year - Prior	45,442		24,390
Total loans	360,005		342,225
Consumer loans | Construction and land development | 90 days past due
Loans
Amortized Cost Basis by Origination Year - 2024/2023			154
Amortized Cost Basis by Origination Year - 2023/2022	154		463
Amortized Cost Basis by Origination Year - 2022/2021	269
Total loans	423		617
Consumer loans | Other income producing property
Loans
Amortized Cost Basis by Origination Year - 2026/2025	808		3,638
Amortized Cost Basis by Origination Year - 2025/2024	3,626		2,040
Amortized Cost Basis by Origination Year - 2024/2023	1,196		7,756
Amortized Cost Basis by Origination Year - 2023/2022	7,732		51,117
Amortized Cost Basis by Origination Year - 2022/2021	49,568		16,477
Amortized Cost Basis by Origination Year - Prior	44,331		31,665
Amortized Cost Basis by Origination Year - Revolving	91		86
Total loans	107,352		112,779
Consumer loans | Other income producing property | Current due
Loans
Amortized Cost Basis by Origination Year - 2026/2025	808		3,638
Amortized Cost Basis by Origination Year - 2025/2024	3,626		2,037
Amortized Cost Basis by Origination Year - 2024/2023	1,193		7,756
Amortized Cost Basis by Origination Year - 2023/2022	7,732		50,859
Amortized Cost Basis by Origination Year - 2022/2021	49,310		16,477
Amortized Cost Basis by Origination Year - Prior	44,182		31,521
Amortized Cost Basis by Origination Year - Revolving	91		86
Total loans	106,942		112,374
Consumer loans | Other income producing property | 30 days past due
Loans
Amortized Cost Basis by Origination Year - Prior	5
Total loans	5
Consumer loans | Other income producing property | 60 days past due
Loans
Amortized Cost Basis by Origination Year - Prior			16
Total loans			16
Consumer loans | Other income producing property | 90 days past due
Loans
Amortized Cost Basis by Origination Year - 2025/2024			3
Amortized Cost Basis by Origination Year - 2024/2023	3
Amortized Cost Basis by Origination Year - 2023/2022			258
Amortized Cost Basis by Origination Year - 2022/2021	258
Amortized Cost Basis by Origination Year - Prior	144		128
Total loans	405		389
Consumer loans | Consumer owner-occupied
Loans
Amortized Cost Basis by Origination Year - 2026/2025	334,294		1,185,976
Amortized Cost Basis by Origination Year - 2025/2024	1,178,288		663,338
Amortized Cost Basis by Origination Year - 2024/2023	632,111		1,031,664
Amortized Cost Basis by Origination Year - 2023/2022	965,155		2,417,653
Amortized Cost Basis by Origination Year - 2022/2021	2,367,784		1,645,729
Amortized Cost Basis by Origination Year - Prior	3,122,758		1,552,680
Total loans	8,600,390		8,497,040
Current-period gross charge-offs - 2026/2025			122
Current-period gross charge-offs - 2025/2024	181		926
Current-period gross charge-offs - 2024/2023	692		981
Current-period gross charge-offs - 2023/2022	539		458
Current-period gross charge-offs - 2022/2021	170		53
Current-period gross charge-offs - Prior			107
Current-period gross charge-offs - Total	1,582		2,647
Consumer loans | Consumer owner-occupied | Current due
Loans
Amortized Cost Basis by Origination Year - 2026/2025	334,294		1,182,075
Amortized Cost Basis by Origination Year - 2025/2024	1,173,523		647,315
Amortized Cost Basis by Origination Year - 2024/2023	616,621		1,014,555
Amortized Cost Basis by Origination Year - 2023/2022	946,580		2,407,217
Amortized Cost Basis by Origination Year - 2022/2021	2,360,385		1,639,720
Amortized Cost Basis by Origination Year - Prior	3,104,324		1,543,231
Total loans	8,535,727		8,434,113
Consumer loans | Consumer owner-occupied | 30 days past due
Loans
Amortized Cost Basis by Origination Year - 2026/2025			2,060
Amortized Cost Basis by Origination Year - 2025/2024	1,973		3,805
Amortized Cost Basis by Origination Year - 2024/2023	4,441		5,472
Amortized Cost Basis by Origination Year - 2023/2022	4,546		3,232
Amortized Cost Basis by Origination Year - 2022/2021	2,153		3,926
Amortized Cost Basis by Origination Year - Prior	6,296		3,369
Total loans	19,409		21,864
Consumer loans | Consumer owner-occupied | 60 days past due
Loans
Amortized Cost Basis by Origination Year - 2026/2025			685
Amortized Cost Basis by Origination Year - 2025/2024	680		2,557
Amortized Cost Basis by Origination Year - 2024/2023	2,971		2,670
Amortized Cost Basis by Origination Year - 2023/2022	2,136		620
Amortized Cost Basis by Origination Year - 2022/2021	404		559
Amortized Cost Basis by Origination Year - Prior	1,664		1,626
Total loans	7,855		8,717
Consumer loans | Consumer owner-occupied | 90 days past due
Loans
Amortized Cost Basis by Origination Year - 2026/2025			1,156
Amortized Cost Basis by Origination Year - 2025/2024	2,112		9,661
Amortized Cost Basis by Origination Year - 2024/2023	8,078		8,967
Amortized Cost Basis by Origination Year - 2023/2022	11,893		6,584
Amortized Cost Basis by Origination Year - 2022/2021	4,842		1,524
Amortized Cost Basis by Origination Year - Prior	10,474		4,454
Total loans	37,399		32,346
Consumer loans | Home equity loans
Loans
Amortized Cost Basis by Origination Year - 2026/2025	1,198		1,677
Amortized Cost Basis by Origination Year - 2025/2024	1,791		5,843
Amortized Cost Basis by Origination Year - 2024/2023	5,405		3,567
Amortized Cost Basis by Origination Year - 2023/2022	3,258		4,622
Amortized Cost Basis by Origination Year - 2022/2021	4,570		1,446
Amortized Cost Basis by Origination Year - Prior	15,090		15,181
Amortized Cost Basis by Origination Year - Revolving	1,824,753		1,799,453
Total loans	1,856,065		1,831,789
Current-period gross charge-offs - 2025/2024			66
Current-period gross charge-offs - 2024/2023	61
Current-period gross charge-offs - 2023/2022	10		70
Current-period gross charge-offs - Prior	50		415
Current-period gross charge-offs - Total	121		551
Consumer loans | Home equity loans | Current due
Loans
Amortized Cost Basis by Origination Year - 2026/2025	1,198		1,627
Amortized Cost Basis by Origination Year - 2025/2024	1,791		5,549
Amortized Cost Basis by Origination Year - 2024/2023	4,977		2,618
Amortized Cost Basis by Origination Year - 2023/2022	2,410		3,463
Amortized Cost Basis by Origination Year - 2022/2021	3,667		1,308
Amortized Cost Basis by Origination Year - Prior	13,205		13,961
Amortized Cost Basis by Origination Year - Revolving	1,818,332		1,794,239
Total loans	1,845,580		1,822,765
Consumer loans | Home equity loans | 30 days past due
Loans
Amortized Cost Basis by Origination Year - 2026/2025			50
Amortized Cost Basis by Origination Year - 2025/2024			26
Amortized Cost Basis by Origination Year - 2024/2023	259		160
Amortized Cost Basis by Origination Year - 2023/2022	30		199
Amortized Cost Basis by Origination Year - Prior	642		502
Amortized Cost Basis by Origination Year - Revolving	2,985		2,752
Total loans	3,916		3,689
Consumer loans | Home equity loans | 60 days past due
Loans
Amortized Cost Basis by Origination Year - 2025/2024			50
Amortized Cost Basis by Origination Year - 2024/2023	92		212
Amortized Cost Basis by Origination Year - 2023/2022	105		74
Amortized Cost Basis by Origination Year - Prior	357		108
Amortized Cost Basis by Origination Year - Revolving	1,881		1,615
Total loans	2,435		2,059
Consumer loans | Home equity loans | 90 days past due
Loans
Amortized Cost Basis by Origination Year - 2025/2024			218
Amortized Cost Basis by Origination Year - 2024/2023	77		577
Amortized Cost Basis by Origination Year - 2023/2022	713		886
Amortized Cost Basis by Origination Year - 2022/2021	903		138
Amortized Cost Basis by Origination Year - Prior	886		610
Amortized Cost Basis by Origination Year - Revolving	1,555		847
Total loans	4,134		3,276
Consumer loans | Consumer
Loans
Amortized Cost Basis by Origination Year - 2026/2025	51,018		193,328
Amortized Cost Basis by Origination Year - 2025/2024	172,208		134,972
Amortized Cost Basis by Origination Year - 2024/2023	120,760		157,529
Amortized Cost Basis by Origination Year - 2023/2022	145,379		155,487
Amortized Cost Basis by Origination Year - 2022/2021	142,046		62,904
Amortized Cost Basis by Origination Year - Prior	206,472		159,165
Amortized Cost Basis by Origination Year - Revolving	85,530		91,881
Total loans	923,413		955,266
Current-period gross charge-offs - 2026/2025	28		390
Current-period gross charge-offs - 2025/2024	203		912
Current-period gross charge-offs - 2024/2023	198		910
Current-period gross charge-offs - 2023/2022	298		776
Current-period gross charge-offs - 2022/2021	117		114
Current-period gross charge-offs - Prior	73		2,655
Current-period gross charge-offs - Revolving	1,216		6,007
Current-period gross charge-offs - Total	2,133		11,764
Consumer loans | Consumer | Current due
Loans
Amortized Cost Basis by Origination Year - 2026/2025	51,018		193,165
Amortized Cost Basis by Origination Year - 2025/2024	171,883		134,608
Amortized Cost Basis by Origination Year - 2024/2023	120,336		156,266
Amortized Cost Basis by Origination Year - 2023/2022	144,710		154,801
Amortized Cost Basis by Origination Year - 2022/2021	141,022		62,652
Amortized Cost Basis by Origination Year - Prior	204,194		156,314
Amortized Cost Basis by Origination Year - Revolving	85,247		91,731
Total loans	918,410		949,537
Consumer loans | Consumer | 30 days past due
Loans
Amortized Cost Basis by Origination Year - 2026/2025			55
Amortized Cost Basis by Origination Year - 2025/2024	180		117
Amortized Cost Basis by Origination Year - 2024/2023	121		304
Amortized Cost Basis by Origination Year - 2023/2022	80		271
Amortized Cost Basis by Origination Year - 2022/2021	600		205
Amortized Cost Basis by Origination Year - Prior	633		1,295
Amortized Cost Basis by Origination Year - Revolving	226		75
Total loans	1,840		2,322
Consumer loans | Consumer | 60 days past due
Loans
Amortized Cost Basis by Origination Year - 2026/2025			41
Amortized Cost Basis by Origination Year - 2025/2024	127		70
Amortized Cost Basis by Origination Year - 2024/2023	88		427
Amortized Cost Basis by Origination Year - 2023/2022	204		50
Amortized Cost Basis by Origination Year - 2022/2021	57
Amortized Cost Basis by Origination Year - Prior	254		268
Amortized Cost Basis by Origination Year - Revolving	2		65
Total loans	732		921
Consumer loans | Consumer | 90 days past due
Loans
Amortized Cost Basis by Origination Year - 2026/2025			67
Amortized Cost Basis by Origination Year - 2025/2024	18		177
Amortized Cost Basis by Origination Year - 2024/2023	215		532
Amortized Cost Basis by Origination Year - 2023/2022	385		365
Amortized Cost Basis by Origination Year - 2022/2021	367		47
Amortized Cost Basis by Origination Year - Prior	1,391		1,288
Amortized Cost Basis by Origination Year - Revolving	55		10
Total loans	$ 2,431		$ 2,486

X

- Definition

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, excluding accrued interest, of writeoff of financing receivable originated more than five years before current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost excluding accrued interest, of financing receivable that can be withdrawn, repaid, and redrawn.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestRevolving
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, excluding accrued interest, of writeoff of financing receivable that can be withdrawn, repaid, and redrawn.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, excluding accrued interest, of writeoff of financing receivable originated four years before current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated three years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, excluding accrued interest, of writeoff of financing receivable originated three years before current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated in current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, excluding accrued interest, of writeoff of financing receivable originated in current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost excluding accrued interest, of financing receivable originated two years prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, excluding accrued interest, of writeoff of financing receivable originated two years before current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost excluding accrued interest of financing receivable originated in fiscal year prior to current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount, excluding accrued interest, of writeoff of financing receivable originated in fiscal year before current fiscal year. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (a)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (a)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (d)(4)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (d)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (d)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (d)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 8: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 15
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-15

Reference 10: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

Reference 11: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 15
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-15

Reference 12: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (c)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 13: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 14: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (e)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 15: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (e)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 16: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (b)(4)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 17: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (b)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 18: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 12
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-12

Reference 19: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 15
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-15

Reference 20: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 15
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-15

Reference 21: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 15
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-15

Reference 22: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 29
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-29

Reference 23: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

+ Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConstructionLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ssb_CommercialAndIndustrialLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ssb_OtherIncomeProducingPropertyLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ssb_ConsumerOwnerOccupiedLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ssb_OtherLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ssb_ConsumerLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_PassMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ssb_OtherCommercialNonOwnerOccupiedRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=ssb_CommercialOwnerOccupiedRealEstateLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables1To29DaysPastDueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: