Loans - Schedule of Risk Categories of Loans by Class of Loans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	$ 1,980,621		$ 1,980,621		$ 2,103,118
One year prior to current fiscal year	2,167,612		2,167,612		1,690,049
Two years prior to current fiscal year	1,517,650		1,517,650		908,423
Three years prior to current fiscal year	807,145		807,145		1,991,362
Four years prior to current fiscal year	1,721,673		1,721,673		1,718,492
Prior	3,775,274		3,775,274		2,717,786
Revolving	1,504,847		1,504,847		1,401,340
Revolving Converted to Term	99,389		99,389		97,414
Total	13,574,211		13,574,211		12,627,984
Current fiscal year, Charge Offs			1,096		842
One year prior to current fiscal year, Charge Offs			2,167		201
Two years prior to current fiscal year, Charge Offs			736		262
Three years prior to current fiscal year, Charge Offs			2,728		3,752
Four years prior to current fiscal year, Charge Offs			1,648		1,573
Prior, Charge Offs			3,784		10,642
Revolving, Charge Offs			2,664		2,750
Revolving Converted to Term, Charge Offs			0		0
Total, Charge Offs	6,292	$ 5,312	14,823	$ 17,515	20,022
Construction and land development
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	141,590		141,590		122,236
One year prior to current fiscal year	338,416		338,416		332,530
Two years prior to current fiscal year	282,580		282,580		61,041
Three years prior to current fiscal year	29,009		29,009		44,062
Four years prior to current fiscal year	20,970		20,970		42,999
Prior	39,891		39,891		32,368
Revolving	94,532		94,532		88,694
Revolving Converted to Term	0		0		0
Total	946,988		946,988		723,930
Current fiscal year, Charge Offs			0		0
One year prior to current fiscal year, Charge Offs			0		0
Two years prior to current fiscal year, Charge Offs			0		115
Three years prior to current fiscal year, Charge Offs			0		0
Four years prior to current fiscal year, Charge Offs			0		24
Prior, Charge Offs			34		17
Revolving, Charge Offs			0		0
Revolving Converted to Term, Charge Offs			0		0
Total, Charge Offs	0	139	34	139	156
Construction and land development | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	141,590		141,590		121,237
One year prior to current fiscal year	338,416		338,416		332,530
Two years prior to current fiscal year	263,669		263,669		57,222
Three years prior to current fiscal year	29,009		29,009		41,967
Four years prior to current fiscal year	20,956		20,956		38,085
Prior	39,032		39,032		31,055
Revolving	92,012		92,012		87,508
Revolving Converted to Term	0		0		0
Total	924,684		924,684		709,604
Construction and land development | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	0		0		0
Two years prior to current fiscal year	18,911		18,911		0
Three years prior to current fiscal year	0		0		0
Four years prior to current fiscal year	0		0		4,914
Prior	204		204		348
Revolving	1,371		1,371		0
Revolving Converted to Term	0		0		0
Total	20,486		20,486		5,262
Construction and land development | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		999
One year prior to current fiscal year	0		0		0
Two years prior to current fiscal year	0		0		3,819
Three years prior to current fiscal year	0		0		2,095
Four years prior to current fiscal year	14		14		0
Prior	655		655		965
Revolving	1,149		1,149		1,186
Revolving Converted to Term	0		0		0
Total	1,818		1,818		9,064
Construction and land development | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	0		0		0
Two years prior to current fiscal year	0		0		0
Three years prior to current fiscal year	0		0		0
Four years prior to current fiscal year	0		0		0
Prior	0		0		0
Revolving	0		0		0
Revolving Converted to Term	0		0		0
Total	0		0		0
CRE - owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	385,545		385,545		405,841
One year prior to current fiscal year	363,132		363,132		191,291
Two years prior to current fiscal year	188,018		188,018		170,414
Three years prior to current fiscal year	155,033		155,033		254,833
Four years prior to current fiscal year	223,284		223,284		249,271
Prior	826,963		826,963		741,620
Revolving	35,073		35,073		30,355
Revolving Converted to Term	0		0		0
Total	2,177,048		2,177,048		2,043,625
Current fiscal year, Charge Offs			0		0
One year prior to current fiscal year, Charge Offs			0		0
Two years prior to current fiscal year, Charge Offs			0		0
Three years prior to current fiscal year, Charge Offs			23		238
Four years prior to current fiscal year, Charge Offs			16		0
Prior, Charge Offs			6		490
Revolving, Charge Offs			0		0
Revolving Converted to Term, Charge Offs			0		0
Total, Charge Offs	23	197	45	197	728
CRE - owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	385,545		385,545		405,841
One year prior to current fiscal year	361,825		361,825		180,447
Two years prior to current fiscal year	178,481		178,481		156,256
Three years prior to current fiscal year	141,989		141,989		235,989
Four years prior to current fiscal year	209,209		209,209		241,758
Prior	793,244		793,244		703,744
Revolving	34,507		34,507		29,882
Revolving Converted to Term	0		0		0
Total	2,104,800		2,104,800		1,953,917
CRE - owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	0		0		7,380
Two years prior to current fiscal year	0		0		2,816
Three years prior to current fiscal year	862		862		966
Four years prior to current fiscal year	7,066		7,066		5,319
Prior	10,269		10,269		12,838
Revolving	400		400		398
Revolving Converted to Term	0		0		0
Total	18,597		18,597		29,717
CRE - owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	1,307		1,307		3,464
Two years prior to current fiscal year	9,537		9,537		11,342
Three years prior to current fiscal year	12,182		12,182		17,878
Four years prior to current fiscal year	7,009		7,009		2,194
Prior	23,450		23,450		25,038
Revolving	166		166		75
Revolving Converted to Term	0		0		0
Total	53,651		53,651		59,991
CRE - owner occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	0		0		0
Two years prior to current fiscal year	0		0		0
Three years prior to current fiscal year	0		0		0
Four years prior to current fiscal year	0		0		0
Prior	0		0		0
Revolving	0		0		0
Revolving Converted to Term	0		0		0
Total	0		0		0
CRE - non-owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	650,875		650,875		704,003
One year prior to current fiscal year	671,501		671,501		538,770
Two years prior to current fiscal year	506,115		506,115		327,090
Three years prior to current fiscal year	325,400		325,400		932,797
Four years prior to current fiscal year	828,923		828,923		570,947
Prior	1,475,214		1,475,214		1,150,283
Revolving	27,251		27,251		31,102
Revolving Converted to Term	0		0		0
Total	4,485,279		4,485,279		4,254,992
Current fiscal year, Charge Offs			0		0
One year prior to current fiscal year, Charge Offs			0		0
Two years prior to current fiscal year, Charge Offs			0		0
Three years prior to current fiscal year, Charge Offs			459		0
Four years prior to current fiscal year, Charge Offs			593		0
Prior, Charge Offs			16		420
Revolving, Charge Offs			0		0
Revolving Converted to Term, Charge Offs			0		0
Total, Charge Offs	0	0	1,068	320	420
CRE - non-owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	650,875		650,875		704,003
One year prior to current fiscal year	661,495		661,495		538,748
Two years prior to current fiscal year	453,804		453,804		318,106
Three years prior to current fiscal year	315,929		315,929		848,500
Four years prior to current fiscal year	784,362		784,362		552,105
Prior	1,438,435		1,438,435		1,084,106
Revolving	17,550		17,550		31,102
Revolving Converted to Term	0		0		0
Total	4,322,450		4,322,450		4,076,670
CRE - non-owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	8,798		8,798		22
Two years prior to current fiscal year	3,717		3,717		8,984
Three years prior to current fiscal year	9,111		9,111		44,738
Four years prior to current fiscal year	19,044		19,044		9,781
Prior	18,154		18,154		42,347
Revolving	902		902		0
Revolving Converted to Term	0		0		0
Total	59,726		59,726		105,872
CRE - non-owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	1,208		1,208		0
Two years prior to current fiscal year	48,594		48,594		0
Three years prior to current fiscal year	360		360		39,559
Four years prior to current fiscal year	25,517		25,517		9,061
Prior	18,625		18,625		23,830
Revolving	8,799		8,799		0
Revolving Converted to Term	0		0		0
Total	103,103		103,103		72,450
CRE - non-owner occupied | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	0		0		0
Two years prior to current fiscal year	0		0		0
Three years prior to current fiscal year	0		0		0
Four years prior to current fiscal year	0		0		0
Prior	0		0		0
Revolving	0		0		0
Revolving Converted to Term	0		0		0
Total	0		0		0
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	404,347		404,347		272,509
One year prior to current fiscal year	230,546		230,546		197,560
Two years prior to current fiscal year	167,903		167,903		185,877
Three years prior to current fiscal year	163,138		163,138		480,228
Four years prior to current fiscal year	442,219		442,219		615,787
Prior	1,099,895		1,099,895		576,842
Revolving	674,018		674,018		672,642
Revolving Converted to Term	99,389		99,389		97,414
Total	3,281,455		3,281,455		3,098,859
Current fiscal year, Charge Offs			0		0
One year prior to current fiscal year, Charge Offs			0		0
Two years prior to current fiscal year, Charge Offs			0		0
Three years prior to current fiscal year, Charge Offs			0		145
Four years prior to current fiscal year, Charge Offs			164		210
Prior, Charge Offs			85		36
Revolving, Charge Offs			106		19
Revolving Converted to Term, Charge Offs			0		0
Total, Charge Offs	0	174	355	400	410
Residential real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	404,327		404,327		272,509
One year prior to current fiscal year	229,668		229,668		196,766
Two years prior to current fiscal year	166,970		166,970		185,686
Three years prior to current fiscal year	158,008		158,008		476,581
Four years prior to current fiscal year	438,877		438,877		610,708
Prior	1,084,947		1,084,947		569,549
Revolving	659,132		659,132		662,764
Revolving Converted to Term	96,352		96,352		96,123
Total	3,238,281		3,238,281		3,070,686
Residential real estate | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	598		598		476
Two years prior to current fiscal year	0		0		78
Three years prior to current fiscal year	733		733		1,527
Four years prior to current fiscal year	0		0		0
Prior	1,684		1,684		663
Revolving	3,442		3,442		5,068
Revolving Converted to Term	772		772		174
Total	7,229		7,229		7,986
Residential real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	20		20		0
One year prior to current fiscal year	280		280		318
Two years prior to current fiscal year	933		933		113
Three years prior to current fiscal year	4,397		4,397		2,120
Four years prior to current fiscal year	3,342		3,342		5,079
Prior	13,264		13,264		6,630
Revolving	11,444		11,444		4,810
Revolving Converted to Term	2,265		2,265		1,117
Total	35,945		35,945		20,187
Residential real estate | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	0		0		0
Two years prior to current fiscal year	0		0		0
Three years prior to current fiscal year	0		0		0
Four years prior to current fiscal year	0		0		0
Prior	0		0		0
Revolving	0		0		0
Revolving Converted to Term	0		0		0
Total	0		0		0
Commercial and financial
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	384,744		384,744		582,118
One year prior to current fiscal year	552,247		552,247		416,136
Two years prior to current fiscal year	362,135		362,135		154,375
Three years prior to current fiscal year	129,152		129,152		257,738
Four years prior to current fiscal year	190,178		190,178		224,365
Prior	292,496		292,496		180,174
Revolving	579,967		579,967		506,083
Revolving Converted to Term	0		0		0
Total	2,490,919		2,490,919		2,320,989
Current fiscal year, Charge Offs			0		0
One year prior to current fiscal year, Charge Offs			2,111		0
Two years prior to current fiscal year, Charge Offs			611		85
Three years prior to current fiscal year, Charge Offs			2,106		2,075
Four years prior to current fiscal year, Charge Offs			786		1,231
Prior, Charge Offs			3,537		9,637
Revolving, Charge Offs			2,477		2,493
Revolving Converted to Term, Charge Offs			0		0
Total, Charge Offs	5,789	4,431	11,628	14,163	15,521
Commercial and financial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	384,178		384,178		582,118
One year prior to current fiscal year	531,896		531,896		414,134
Two years prior to current fiscal year	357,048		357,048		151,321
Three years prior to current fiscal year	123,244		123,244		252,087
Four years prior to current fiscal year	183,234		183,234		215,002
Prior	266,614		266,614		167,651
Revolving	554,280		554,280		495,663
Revolving Converted to Term	0		0		0
Total	2,400,494		2,400,494		2,277,976
Commercial and financial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	351		351		0
One year prior to current fiscal year	7,885		7,885		1,286
Two years prior to current fiscal year	1,693		1,693		110
Three years prior to current fiscal year	2,852		2,852		584
Four years prior to current fiscal year	3,280		3,280		2,229
Prior	1,622		1,622		6,312
Revolving	3,249		3,249		3,570
Revolving Converted to Term	0		0		0
Total	20,932		20,932		14,091
Commercial and financial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	215		215		0
One year prior to current fiscal year	12,466		12,466		716
Two years prior to current fiscal year	3,394		3,394		2,944
Three years prior to current fiscal year	3,056		3,056		5,067
Four years prior to current fiscal year	3,664		3,664		6,538
Prior	24,260		24,260		6,211
Revolving	22,438		22,438		6,850
Revolving Converted to Term	0		0		0
Total	69,493		69,493		28,326
Commercial and financial | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	0		0		0
Two years prior to current fiscal year	0		0		0
Three years prior to current fiscal year	0		0		0
Four years prior to current fiscal year	0		0		596
Prior	0		0		0
Revolving	0		0		0
Revolving Converted to Term	0		0		0
Total	0		0		596
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	13,520		13,520		16,411
One year prior to current fiscal year	11,770		11,770		13,762
Two years prior to current fiscal year	10,899		10,899		9,626
Three years prior to current fiscal year	5,413		5,413		21,704
Four years prior to current fiscal year	16,099		16,099		15,123
Prior	40,815		40,815		36,499
Revolving	94,006		94,006		72,464
Revolving Converted to Term	0		0		0
Total	192,522		192,522		185,589
Current fiscal year, Charge Offs			1,096		842
One year prior to current fiscal year, Charge Offs			56		201
Two years prior to current fiscal year, Charge Offs			125		62
Three years prior to current fiscal year, Charge Offs			140		1,294
Four years prior to current fiscal year, Charge Offs			89		108
Prior, Charge Offs			106		42
Revolving, Charge Offs			81		238
Revolving Converted to Term, Charge Offs			0		0
Total, Charge Offs	480	$ 371	1,693	$ 2,296	2,787
Consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	13,446		13,446		16,392
One year prior to current fiscal year	11,605		11,605		13,716
Two years prior to current fiscal year	10,488		10,488		9,603
Three years prior to current fiscal year	5,393		5,393		19,441
Four years prior to current fiscal year	14,477		14,477		15,123
Prior	40,411		40,411		36,026
Revolving	93,836		93,836		72,246
Revolving Converted to Term	0		0		0
Total	189,656		189,656		182,547
Consumer | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	11		11		15
One year prior to current fiscal year	73		73		33
Two years prior to current fiscal year	411		411		0
Three years prior to current fiscal year	4		4		2
Four years prior to current fiscal year	97		97		0
Prior	247		247		12
Revolving	59		59		168
Revolving Converted to Term	0		0		0
Total	902		902		230
Consumer | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	63		63		4
One year prior to current fiscal year	92		92		13
Two years prior to current fiscal year	0		0		23
Three years prior to current fiscal year	16		16		2,261
Four years prior to current fiscal year	1,525		1,525		0
Prior	157		157		461
Revolving	111		111		50
Revolving Converted to Term	0		0		0
Total	1,964		1,964		2,812
Consumer | Doubtful
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	0		0		0
Two years prior to current fiscal year	0		0		0
Three years prior to current fiscal year	0		0		0
Four years prior to current fiscal year	0		0		0
Prior	0		0		0
Revolving	0		0		0
Revolving Converted to Term	0		0		0
Total	$ 0		$ 0		$ 0