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Loans and Allowance for Credit Losses - Schedule of Risk Category of Loans by Class of Loans (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
	Mar. 31, 2026	Sep. 30, 2025	Dec. 31, 2025
Total
Prior	$ 2,813,974		$ 2,203,810
Originated, four years before current fiscal year	1,029,433		925,095
Originated, three years before current fiscal year	703,707		1,217,506
Originated, two years before current fiscal year	374,120		702,260
Originated, fiscal year before current fiscal year	890,302		362,785
Originated, current fiscal year	258,955		880,001
Revolving Loans Amort. Cost Basis	857,088		928,644
Revolving Loans Convert. to Term	10,981		60,358
Total	6,938,560		7,280,459
YTD gross charge-offs
Prior	(5,607)		(60,861)
Originated, four years before current fiscal year	(8,852)		(731)
Originated, three years before current fiscal year	0		(304)
Originated, two years before current fiscal year	0		0
Originated, fiscal year before current fiscal year	0		(57)
Originated, current fiscal year	0		0
Revolving Loans Amort. Cost Basis	0		(10,796)
Revolving Loans Convert. to Term	0		(32)
Total	(14,459)		(72,781)
Commercial
Total
Prior	129,440		115,327
Originated, four years before current fiscal year	54,166		19,132
Originated, three years before current fiscal year	68,891		64,496
Originated, two years before current fiscal year	98,367		67,802
Originated, fiscal year before current fiscal year	358,736		93,458
Originated, current fiscal year	145,359		357,934
Revolving Loans Amort. Cost Basis	574,222		613,831
Revolving Loans Convert. to Term	3,752		6,506
Total	1,432,933		1,338,486
YTD gross charge-offs
Prior	(2,681)		(1,208)
Originated, four years before current fiscal year	(8,852)		(525)
Originated, three years before current fiscal year	0		(304)
Originated, two years before current fiscal year	0		0
Originated, fiscal year before current fiscal year	0		(57)
Originated, current fiscal year	0		0
Revolving Loans Amort. Cost Basis	0		(296)
Revolving Loans Convert. to Term	0		0
Total	(11,533)		(2,390)
Commercial | Pass
Total
Prior	104,869		92,082
Originated, four years before current fiscal year	33,046		18,390
Originated, three years before current fiscal year	67,471		35,098
Originated, two years before current fiscal year	88,369		66,402
Originated, fiscal year before current fiscal year	358,736		83,098
Originated, current fiscal year	145,359		357,934
Revolving Loans Amort. Cost Basis	541,703		593,711
Revolving Loans Convert. to Term	3,540		3,815
Total	1,343,093		1,250,530
Commercial | Special Mention
Total
Prior	56		524
Originated, four years before current fiscal year	11,534		309
Originated, three years before current fiscal year	996		11,264
Originated, two years before current fiscal year	7,260		994
Originated, fiscal year before current fiscal year	0		10,360
Originated, current fiscal year	0		0
Revolving Loans Amort. Cost Basis	20,841		7,018
Revolving Loans Convert. to Term	0		0
Total	40,687		30,469
Commercial | Substandard
Total
Prior	24,515		22,721
Originated, four years before current fiscal year	9,586		433
Originated, three years before current fiscal year	424		18,134
Originated, two years before current fiscal year	2,738		406
Originated, fiscal year before current fiscal year	0		0
Originated, current fiscal year	0		0
Revolving Loans Amort. Cost Basis	11,678		13,102
Revolving Loans Convert. to Term	212		2,691
Total	49,153		57,487
Income producing - commercial real estate
Total
Prior	1,658,793		1,342,198
Originated, four years before current fiscal year	593,394		568,718
Originated, three years before current fiscal year	412,067		703,678
Originated, two years before current fiscal year	88,766		364,692
Originated, fiscal year before current fiscal year	123,779		88,823
Originated, current fiscal year	771		123,114
Revolving Loans Amort. Cost Basis	152,434		146,114
Revolving Loans Convert. to Term	0		13,381
Total	3,030,004		3,350,718
YTD gross charge-offs
Prior			(35,833)
Originated, four years before current fiscal year			0
Originated, three years before current fiscal year			0
Originated, two years before current fiscal year			0
Originated, fiscal year before current fiscal year			0
Originated, current fiscal year			0
Revolving Loans Amort. Cost Basis			(10,500)
Revolving Loans Convert. to Term			0
Total			(46,333)
Income producing - commercial real estate | Pass
Total
Prior	1,352,420		1,087,720
Originated, four years before current fiscal year	443,676		435,579
Originated, three years before current fiscal year	412,067		533,070
Originated, two years before current fiscal year	88,766		364,692
Originated, fiscal year before current fiscal year	123,779		88,823
Originated, current fiscal year	771		123,114
Revolving Loans Amort. Cost Basis	151,826		145,256
Revolving Loans Convert. to Term	0		13,381
Total	2,573,305		2,791,635
Income producing - commercial real estate | Special Mention
Total
Prior	57,450		86,600
Originated, four years before current fiscal year	56,173		43,104
Originated, three years before current fiscal year	0		56,157
Originated, two years before current fiscal year	0		0
Originated, fiscal year before current fiscal year	0		0
Originated, current fiscal year	0		0
Revolving Loans Amort. Cost Basis	0		0
Revolving Loans Convert. to Term	0		0
Total	113,623		185,861
Income producing - commercial real estate | Substandard
Total
Prior	248,923		167,878
Originated, four years before current fiscal year	93,545		90,035
Originated, three years before current fiscal year	0		114,451
Originated, two years before current fiscal year	0		0
Originated, fiscal year before current fiscal year	0		0
Originated, current fiscal year	0		0
Revolving Loans Amort. Cost Basis	608		858
Revolving Loans Convert. to Term	0		0
Total	343,076		373,222
Owner occupied - commercial real estate
Total
Prior	876,160		681,496
Originated, four years before current fiscal year	90,060		212,940
Originated, three years before current fiscal year	131,357		90,652
Originated, two years before current fiscal year	127,490		133,171
Originated, fiscal year before current fiscal year	355,047		126,792
Originated, current fiscal year	105,439		356,437
Revolving Loans Amort. Cost Basis	657		636
Revolving Loans Convert. to Term	0		0
Total	1,686,210		1,602,124
YTD gross charge-offs
Prior	(2,926)		(22,238)
Originated, four years before current fiscal year	0		0
Originated, three years before current fiscal year	0		0
Originated, two years before current fiscal year	0		0
Originated, fiscal year before current fiscal year
Originated, current fiscal year	0		0
Revolving Loans Amort. Cost Basis	0		0
Revolving Loans Convert. to Term	0		0
Total	(2,926)		(22,238)
Owner occupied - commercial real estate | Pass
Total
Prior	844,229		667,233
Originated, four years before current fiscal year	88,995		209,803
Originated, three years before current fiscal year	131,357		89,580
Originated, two years before current fiscal year	127,490		132,719
Originated, fiscal year before current fiscal year	338,606		126,792
Originated, current fiscal year	105,439		356,437
Revolving Loans Amort. Cost Basis	657		636
Revolving Loans Convert. to Term	0		0
Total	1,636,773		1,583,200
Owner occupied - commercial real estate | Special Mention
Total
Prior	11,491
Originated, four years before current fiscal year	0
Originated, three years before current fiscal year	0
Originated, two years before current fiscal year	0
Originated, fiscal year before current fiscal year	16,441
Originated, current fiscal year	0
Revolving Loans Amort. Cost Basis	0
Revolving Loans Convert. to Term	0
Total	27,932
Owner occupied - commercial real estate | Substandard
Total
Prior	20,440		14,263
Originated, four years before current fiscal year	1,065		3,137
Originated, three years before current fiscal year	0		1,072
Originated, two years before current fiscal year	0		452
Originated, fiscal year before current fiscal year	0		0
Originated, current fiscal year	0		0
Revolving Loans Amort. Cost Basis	0		0
Revolving Loans Convert. to Term	0		0
Total	21,505		18,924
Real estate mortgage - residential:
Total
Prior	19,081		13,910
Originated, four years before current fiscal year	10,832		6,411
Originated, three years before current fiscal year	5,830		10,941
Originated, two years before current fiscal year	0		5,838
Originated, fiscal year before current fiscal year	0		0
Originated, current fiscal year	0		0
Revolving Loans Amort. Cost Basis	0		0
Revolving Loans Convert. to Term	0		0
Total	35,743		37,100
Real estate mortgage - residential: | Pass
Total
Prior	14,101		13,331
Originated, four years before current fiscal year	10,832		6,411
Originated, three years before current fiscal year	5,830		10,941
Originated, two years before current fiscal year	0		5,838
Originated, fiscal year before current fiscal year	0		0
Originated, current fiscal year	0		0
Revolving Loans Amort. Cost Basis	0		0
Revolving Loans Convert. to Term	0		0
Total	30,763		36,521
Real estate mortgage - residential: | Substandard
Total
Prior	4,980		579
Originated, four years before current fiscal year	0		0
Originated, three years before current fiscal year	0		0
Originated, two years before current fiscal year	0		0
Originated, fiscal year before current fiscal year	0		0
Originated, current fiscal year	0		0
Revolving Loans Amort. Cost Basis	0		0
Revolving Loans Convert. to Term	0		0
Total	4,980		579
Construction - commercial and residential:
Total
Prior	124,358		45,612
Originated, four years before current fiscal year	280,868		117,859
Originated, three years before current fiscal year	75,117		347,625
Originated, two years before current fiscal year	9,990		120,558
Originated, fiscal year before current fiscal year	29,369		10,228
Originated, current fiscal year	7,149		23,415
Revolving Loans Amort. Cost Basis	84,267		121,809
Revolving Loans Convert. to Term	6,874		8,294
Total	617,992		795,400
YTD gross charge-offs
Prior			(1,579)
Originated, four years before current fiscal year			0
Originated, three years before current fiscal year			0
Originated, two years before current fiscal year			0
Originated, fiscal year before current fiscal year			0
Originated, current fiscal year			0
Revolving Loans Amort. Cost Basis			0
Revolving Loans Convert. to Term			0
Total			(1,579)
Construction - commercial and residential: | Pass
Total
Prior	112,240		10,095
Originated, four years before current fiscal year	184,622		106,241
Originated, three years before current fiscal year	75,117		307,223
Originated, two years before current fiscal year	9,990		120,558
Originated, fiscal year before current fiscal year	29,369		10,228
Originated, current fiscal year	7,149		23,415
Revolving Loans Amort. Cost Basis	56,029		92,900
Revolving Loans Convert. to Term	6,874		8,294
Total	481,390		678,954
Construction - commercial and residential: | Special Mention
Total
Prior	0		0
Originated, four years before current fiscal year	81,094		0
Originated, three years before current fiscal year	0		25,082
Originated, two years before current fiscal year	0		0
Originated, fiscal year before current fiscal year	0		0
Originated, current fiscal year	0		0
Revolving Loans Amort. Cost Basis	27,491		27,469
Revolving Loans Convert. to Term	0		0
Total	108,585		52,551
Construction - commercial and residential: | Substandard
Total
Prior	12,118		35,517
Originated, four years before current fiscal year	15,152		11,618
Originated, three years before current fiscal year	0		15,320
Originated, two years before current fiscal year	0		0
Originated, fiscal year before current fiscal year	0		0
Originated, current fiscal year	0		0
Revolving Loans Amort. Cost Basis	747		1,440
Revolving Loans Convert. to Term	0		0
Total	28,017		63,895
Construction - C&I (owner occupied) | Pass
Total
Prior	3,698		3,737
Originated, four years before current fiscal year	0		0
Originated, three years before current fiscal year	10,445		0
Originated, two years before current fiscal year	49,507		10,199
Originated, fiscal year before current fiscal year	23,236		43,484
Originated, current fiscal year	0		18,945
Revolving Loans Amort. Cost Basis	780		791
Revolving Loans Convert. to Term	0		31,312
Total	87,666		108,468
Home equity:
Total
Prior	2,444		1,530
Originated, four years before current fiscal year	113		35
Originated, three years before current fiscal year	0		114
Originated, two years before current fiscal year	0		0
Originated, fiscal year before current fiscal year	0		0
Originated, current fiscal year	37		0
Revolving Loans Amort. Cost Basis	41,999		44,904
Revolving Loans Convert. to Term	355		865
Total	44,948		47,448
YTD gross charge-offs
Prior			0
Originated, four years before current fiscal year		$ (206)
Originated, three years before current fiscal year		0
Originated, two years before current fiscal year		0
Originated, fiscal year before current fiscal year		0
Originated, current fiscal year		0
Revolving Loans Amort. Cost Basis		0
Revolving Loans Convert. to Term		$ 0
Home equity: | Pass
Total
Prior	2,026		1,282
Originated, four years before current fiscal year	113		35
Originated, three years before current fiscal year	0		114
Originated, two years before current fiscal year	0		0
Originated, fiscal year before current fiscal year	0		0
Originated, current fiscal year	0		0
Revolving Loans Amort. Cost Basis	41,622		44,822
Revolving Loans Convert. to Term	314		805
Total	44,075		47,058
Home equity: | Substandard
Total
Prior	418		248
Originated, four years before current fiscal year	0		0
Originated, three years before current fiscal year	0		0
Originated, two years before current fiscal year	0		0
Originated, fiscal year before current fiscal year	0		0
Originated, current fiscal year	37		0
Revolving Loans Amort. Cost Basis	377		82
Revolving Loans Convert. to Term	41		60
Total	873		390
Other consumer
Total
Total	3,064		715
YTD gross charge-offs
Prior			(3)
Originated, four years before current fiscal year			0
Originated, three years before current fiscal year			0
Originated, two years before current fiscal year			0
Originated, fiscal year before current fiscal year			0
Originated, current fiscal year			0
Revolving Loans Amort. Cost Basis			0
Revolving Loans Convert. to Term			(32)
Total			(35)
Other consumer | Pass
Total
Prior	0		0
Originated, four years before current fiscal year	0		0
Originated, three years before current fiscal year	0		0
Originated, two years before current fiscal year	0		0
Originated, fiscal year before current fiscal year	135		0
Originated, current fiscal year	200		156
Revolving Loans Amort. Cost Basis	2,729		559
Revolving Loans Convert. to Term	0		0
Total	$ 3,064		$ 715

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