Loans - Risk Categories of Loans by Class of Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	$ 733,827		$ 733,827		$ 1,275,846
One year prior to current fiscal year	1,388,153		1,388,153		879,200
Two years prior to current fiscal year	854,299		854,299		2,032,826
Three years prior to current fiscal year	1,920,643		1,920,643		1,791,070
Four years prior to current fiscal year	1,685,065		1,685,065		685,675
Prior	2,767,017		2,767,017		2,396,532
Revolving	1,160,634		1,160,634		1,140,302
Revolving Converted to Term	99,186		99,186		98,499
Total	10,608,824		10,608,824		10,299,950
Current fiscal year, Charge Offs			343		789
One year prior to current fiscal year, Charge Offs			105		457
Two years prior to current fiscal year, Charge Offs			92		8,412
Three years prior to current fiscal year, Charge Offs			1,369		15,497
Four years prior to current fiscal year, Charge Offs			1,061		384
Prior, Charge Offs			8,516		4,953
Revolving, Charge Offs			717		1,373
Revolving Converted to Term, Charge Offs			0		0
Total, Charge Offs	3,926	$ 11,425	12,203	$ 16,053	31,865
Construction and land development
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	28,831		28,831		113,993
One year prior to current fiscal year	182,713		182,713		160,801
Two years prior to current fiscal year	159,269		159,269		161,305
Three years prior to current fiscal year	46,303		46,303		39,366
Four years prior to current fiscal year	38,953		38,953		8,547
Prior	47,478		47,478		37,382
Revolving	99,532		99,532		126,659
Revolving Converted to Term	0		0		0
Total	603,079		603,079		648,053
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		0
Four years prior to current fiscal year, Charge Offs			0		0
Prior, Charge Offs			0		1
Revolving, Charge Offs			0		0
Revolving Converted to Term, Charge Offs			0		0
Total, Charge Offs	0	1	0	1	1
Construction and land development | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	28,831		28,831		113,993
One year prior to current fiscal year	182,713		182,713		160,801
Two years prior to current fiscal year	153,056		153,056		161,122
Three years prior to current fiscal year	46,156		46,156		39,276
Four years prior to current fiscal year	38,869		38,869		8,547
Prior	45,851		45,851		36,342
Revolving	98,815		98,815		126,659
Revolving Converted to Term	0		0		0
Total	594,291		594,291		646,740
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	985		985		0
Three years prior to current fiscal year	0		0		0
Four years prior to current fiscal year	0		0		0
Prior	653		653		75
Revolving	0		0		0
Revolving Converted to Term	0		0		0
Total	1,638		1,638		75
Construction and land development | Substandard
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	5,228		5,228		183
Three years prior to current fiscal year	147		147		90
Four years prior to current fiscal year	84		84		0
Prior	974		974		965
Revolving	717		717		0
Revolving Converted to Term	0		0		0
Total	7,150		7,150		1,238
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	151,964		151,964		184,401
One year prior to current fiscal year	182,198		182,198		140,258
Two years prior to current fiscal year	148,991		148,991		268,062
Three years prior to current fiscal year	260,280		260,280		260,432
Four years prior to current fiscal year	247,171		247,171		161,990
Prior	762,856		762,856		650,462
Revolving	25,470		25,470		21,024
Revolving Converted to Term	0		0		0
Total	1,778,930		1,778,930		1,686,629
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		179
Three years prior to current fiscal year, Charge Offs			0		0
Four years prior to current fiscal year, Charge Offs			0		0
Prior, Charge Offs			0		162
Revolving, Charge Offs			0		0
Revolving Converted to Term, Charge Offs			0		0
Total, Charge Offs	0	302	0	302	341
CRE - owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	151,964		151,964		184,312
One year prior to current fiscal year	177,963		177,963		139,197
Two years prior to current fiscal year	135,950		135,950		260,266
Three years prior to current fiscal year	243,198		243,198		257,711
Four years prior to current fiscal year	246,062		246,062		153,702
Prior	719,616		719,616		628,391
Revolving	25,142		25,142		20,674
Revolving Converted to Term	0		0		0
Total	1,699,895		1,699,895		1,644,253
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	3,835		3,835		0
Two years prior to current fiscal year	13,041		13,041		4,975
Three years prior to current fiscal year	8,643		8,643		2,344
Four years prior to current fiscal year	738		738		2,418
Prior	24,522		24,522		7,965
Revolving	0		0		1
Revolving Converted to Term	0		0		0
Total	50,779		50,779		17,703
CRE - owner occupied | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		89
One year prior to current fiscal year	400		400		1,061
Two years prior to current fiscal year	0		0		2,821
Three years prior to current fiscal year	8,439		8,439		377
Four years prior to current fiscal year	371		371		5,870
Prior	18,718		18,718		14,106
Revolving	328		328		349
Revolving Converted to Term	0		0		0
Total	28,256		28,256		24,673
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	228,637		228,637		495,388
One year prior to current fiscal year	496,779		496,779		236,306
Two years prior to current fiscal year	232,736		232,736		835,974
Three years prior to current fiscal year	886,416		886,416		593,845
Four years prior to current fiscal year	556,282		556,282		259,479
Prior	1,202,511		1,202,511		1,058,064
Revolving	21,167		21,167		24,752
Revolving Converted to Term	0		0		0
Total	3,624,528		3,624,528		3,503,808
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		0
Four years prior to current fiscal year, Charge Offs			0		89
Prior, Charge Offs			320		1,396
Revolving, Charge Offs			0		0
Revolving Converted to Term, Charge Offs			0		0
Total, Charge Offs	0	19	320	103	1,485
CRE - non-owner occupied | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	228,637		228,637		495,361
One year prior to current fiscal year	496,754		496,754		236,306
Two years prior to current fiscal year	230,043		230,043		820,739
Three years prior to current fiscal year	840,495		840,495		581,892
Four years prior to current fiscal year	542,839		542,839		237,777
Prior	1,158,990		1,158,990		1,012,209
Revolving	21,167		21,167		24,752
Revolving Converted to Term	0		0		0
Total	3,518,925		3,518,925		3,409,036
CRE - non-owner occupied | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		27
One year prior to current fiscal year	25		25		0
Two years prior to current fiscal year	2,693		2,693		4,773
Three years prior to current fiscal year	9,700		9,700		1,269
Four years prior to current fiscal year	5,532		5,532		5,265
Prior	20,017		20,017		25,245
Revolving	0		0		0
Revolving Converted to Term	0		0		0
Total	37,967		37,967		36,579
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	0		0		0
Two years prior to current fiscal year	0		0		10,462
Three years prior to current fiscal year	36,221		36,221		10,684
Four years prior to current fiscal year	7,911		7,911		16,437
Prior	23,504		23,504		20,610
Revolving	0		0		0
Revolving Converted to Term	0		0		0
Total	67,636		67,636		58,193
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	78,858		78,858		93,793
One year prior to current fiscal year	149,063		149,063		146,836
Two years prior to current fiscal year	152,882		152,882		473,777
Three years prior to current fiscal year	468,584		468,584		631,590
Four years prior to current fiscal year	609,411		609,411		152,199
Prior	559,655		559,655		490,081
Revolving	560,403		560,403		530,010
Revolving Converted to Term	99,186		99,186		98,499
Total	2,678,042		2,678,042		2,616,785
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		0
Four years prior to current fiscal year, Charge Offs			206		40
Prior, Charge Offs			1		62
Revolving, Charge Offs			19		32
Revolving Converted to Term, Charge Offs			0		0
Total, Charge Offs	225	122	226	122	134
Residential real estate | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	78,858		78,858		93,644
One year prior to current fiscal year	148,970		148,970		146,836
Two years prior to current fiscal year	152,882		152,882		469,071
Three years prior to current fiscal year	462,937		462,937		630,378
Four years prior to current fiscal year	608,024		608,024		152,116
Prior	555,192		555,192		483,150
Revolving	551,955		551,955		517,136
Revolving Converted to Term	96,956		96,956		96,256
Total	2,655,774		2,655,774		2,588,587
Residential real estate | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year					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	363		363		164
Revolving	3,046		3,046		3,434
Revolving Converted to Term	0		0		22
Total	3,409		3,409		3,620
Residential real estate | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		149
One year prior to current fiscal year	93		93		0
Two years prior to current fiscal year	0		0		4,706
Three years prior to current fiscal year	5,647		5,647		1,212
Four years prior to current fiscal year	1,387		1,387		83
Prior	4,100		4,100		6,767
Revolving	5,402		5,402		9,440
Revolving Converted to Term	2,230		2,230		2,221
Total	18,859		18,859		24,578
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	238,575		238,575		373,569
One year prior to current fiscal year	363,085		363,085		180,920
Two years prior to current fiscal year	149,995		149,995		262,422
Three years prior to current fiscal year	233,849		233,849		245,076
Four years prior to current fiscal year	215,656		215,656		89,343
Prior	155,959		155,959		129,784
Revolving	384,039		384,039		370,240
Revolving Converted to Term	0		0		0
Total	1,741,158		1,741,158		1,651,354
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			85		2,762
Three years prior to current fiscal year, Charge Offs			148		10,669
Four years prior to current fiscal year, Charge Offs			747		0
Prior, Charge Offs			8,152		3,111
Revolving, Charge Offs			600		1,074
Revolving Converted to Term, Charge Offs			0		0
Total, Charge Offs	3,263	7,950	9,732	10,606	17,616
Commercial and financial | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	238,575		238,575		373,569
One year prior to current fiscal year	362,272		362,272		180,423
Two years prior to current fiscal year	149,058		149,058		253,120
Three years prior to current fiscal year	228,996		228,996		232,427
Four years prior to current fiscal year	207,631		207,631		82,964
Prior	144,922		144,922		117,276
Revolving	375,047		375,047		362,701
Revolving Converted to Term	0		0		0
Total	1,706,501		1,706,501		1,602,480
Commercial and financial | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	813		813		382
Two years prior to current fiscal year	378		378		755
Three years prior to current fiscal year	908		908		2,839
Four years prior to current fiscal year	4,216		4,216		232
Prior	3,730		3,730		1,904
Revolving	5,431		5,431		2,163
Revolving Converted to Term	0		0		0
Total	15,476		15,476		8,275
Commercial and financial | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	0		0		115
Two years prior to current fiscal year	559		559		8,547
Three years prior to current fiscal year	2,271		2,271		9,810
Four years prior to current fiscal year	3,809		3,809		6,147
Prior	7,307		7,307		10,604
Revolving	2,071		2,071		5,376
Revolving Converted to Term	0		0		0
Total	16,017		16,017		40,599
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	1,674		1,674		0
Four years prior to current fiscal year	0		0		0
Prior	0		0		0
Revolving	1,490		1,490		0
Revolving Converted to Term	0		0		0
Total	3,164		3,164		0
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	6,962		6,962		14,702
One year prior to current fiscal year	14,315		14,315		14,079
Two years prior to current fiscal year	10,426		10,426		31,286
Three years prior to current fiscal year	25,211		25,211		20,761
Four years prior to current fiscal year	17,592		17,592		14,117
Prior	38,558		38,558		30,759
Revolving	70,023		70,023		67,617
Revolving Converted to Term	0		0		0
Total	183,087		183,087		193,321
Current fiscal year, Charge Offs			343		789
One year prior to current fiscal year, Charge Offs			105		457
Two years prior to current fiscal year, Charge Offs			7		5,471
Three years prior to current fiscal year, Charge Offs			1,221		4,828
Four years prior to current fiscal year, Charge Offs			108		255
Prior, Charge Offs			43		221
Revolving, Charge Offs			98		267
Revolving Converted to Term, Charge Offs			0		0
Total, Charge Offs	438	$ 3,031	1,925	$ 4,919	12,288
Consumer | Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	6,962		6,962		14,627
One year prior to current fiscal year	14,274		14,274		14,049
Two years prior to current fiscal year	10,415		10,415		26,332
Three years prior to current fiscal year	22,327		22,327		20,721
Four years prior to current fiscal year	17,592		17,592		11,682
Prior	38,267		38,267		30,022
Revolving	69,905		69,905		67,562
Revolving Converted to Term	0		0		0
Total	179,742		179,742		184,995
Consumer | Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		0
One year prior to current fiscal year	41		41		5
Two years prior to current fiscal year	1		1		1
Three years prior to current fiscal year	2,808		2,808		0
Four years prior to current fiscal year	0		0		0
Prior	0		0		0
Revolving	118		118		54
Revolving Converted to Term	0		0		0
Total	2,968		2,968		60
Consumer | Substandard
Financing Receivable, Credit Quality Indicator [Line Items]
Current fiscal year	0		0		75
One year prior to current fiscal year	0		0		25
Two years prior to current fiscal year	10		10		4,953
Three years prior to current fiscal year	76		76		40
Four years prior to current fiscal year	0		0		2,435
Prior	291		291		737
Revolving	0		0		1
Revolving Converted to Term	0		0		0
Total	377		377		8,266
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