Loans, Allowance for Credit Losses, and Asset Quality Information - Schedule of Recorded Investment in Loans by Credit Quality Indicators (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
2024	$ 195,641		$ 1,886,592
2023	1,103,464		2,026,392
2022	1,842,567		1,690,561
2021	1,625,235		817,077
2020	854,140		382,928
Prior	1,663,766		537,330
Revolving	791,453		809,400
Total	8,076,266		8,150,280
Unamortized net deferred loan fees	240		(178)
Total loans, net of deferred loan fees	8,076,506		8,150,102
Total gross charge-offs, year to date
2024	0		205
2023	83		1,115
2022	271		1,070
2021	2		560
2020	121		821
Prior	431		1,764
Revolving	1,207		4,640
Total	2,115	$ 2,621	10,175
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total	872,623		905,862
Total gross charge-offs, year to date
Total	1,585	2,177	8,358
Consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
2024	4,500		16,627
2023	14,696		12,913
2022	11,307		5,044
2021	4,199		2,173
2020	1,833		435
Prior	788		463
Revolving	29,343		30,788
Total	66,666		68,443
Total gross charge-offs, year to date
2024	0		34
2023	4		79
2022	16		73
2021	2		23
2020	0		0
Prior	0		1
Revolving	213		795
Total	235	207	1,005
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	25,371		141,193
2023	106,914		164,830
2022	145,987		111,956
2021	101,522		76,886
2020	79,998		40,590
Prior	121,433		65,785
Revolving	291,398		304,622
Total	872,623		905,862
Total gross charge-offs, year to date
2024	0		171
2023	0		1,036
2022	255		713
2021	0		537
2020	121		821
Prior	215		1,547
Revolving	994		3,533
Total	1,585		8,358
Construction, development & other land loans | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	32,668		565,144
2023	317,614		232,431
2022	293,450		90,433
2021	91,160		16,662
2020	29,274		11,608
Prior	62,657		5,831
Revolving	77,393		70,871
Total	904,216		992,980
Total gross charge-offs, year to date
2024	0		0
2023	79		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		120
Revolving	0		0
Total	79	0	120
Commercial real estate - owner occupied | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	14,382		215,243
2023	137,499		327,890
2022	239,718		301,127
2021	253,330		198,055
2020	187,756		100,495
Prior	390,255		92,941
Revolving	15,819		23,271
Total	1,238,759		1,259,022
Total gross charge-offs, year to date
2024	0		0
2023	0		0
2022	0		49
2021	0		0
2020	0		0
Prior	58		92
Revolving	0		3
Total	58	0	144
Commercial real estate - non owner occupied | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	18,100		521,820
2023	223,154		749,085
2022	615,174		722,522
2021	703,673		291,842
2020	308,735		121,332
Prior	625,658		92,116
Revolving	29,727		29,343
Total	2,524,221		2,528,060
Total gross charge-offs, year to date
2024	0		0
2023	0		0
2022	0		235
2021	0		0
2020	0		0
Prior	158		0
Revolving	0		0
Total	158	235	235
Multi-family real estate | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	8,262		57,378
2023	25,784		137,533
2022	118,826		139,879
2021	168,105		43,881
2020	65,299		12,231
Prior	46,990		10,323
Revolving	23,876		20,151
Total	457,142		421,376
Total gross charge-offs, year to date
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving	0		0
Total	0	0	0
Residential 1-4 family real estate | Real estate, mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2024	92,125		365,939
2023	275,322		400,574
2022	417,272		318,191
2021	302,498		187,264
2020	180,864		95,626
Prior	412,921		268,628
Revolving	3,171		3,247
Total	1,684,173		1,639,469
Total gross charge-offs, year to date
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		4
Revolving	0		0
Total	0	0	4
Home equity loans/lines of credit | Real estate, mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2024	233		3,248
2023	2,481		1,136
2022	833		1,409
2021	748		314
2020	381		611
Prior	3,064		1,243
Revolving	320,726		327,107
Total	328,466		335,068
Total gross charge-offs, year to date
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving	0		309
Total	0	$ 2	309
Pass | Consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
2024	4,366		16,497
2023	14,673		12,906
2022	11,269		4,999
2021	4,156		2,173
2020	1,833		432
Prior	753		429
Revolving	29,307		30,757
Total	66,357		68,193
Pass | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	25,321		136,735
2023	106,744		161,131
2022	143,282		111,069
2021	99,028		75,312
2020	79,075		38,495
Prior	110,534		60,626
Revolving	287,258		302,684
Total	851,242		886,052
Pass | Construction, development & other land loans | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	32,667		563,998
2023	317,237		231,450
2022	292,169		90,374
2021	91,160		16,662
2020	29,049		11,598
Prior	58,583		5,816
Revolving	77,377		70,852
Total	898,242		990,750
Pass | Commercial real estate - owner occupied | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	14,382		210,449
2023	136,686		323,852
2022	234,302		299,135
2021	247,327		196,343
2020	186,254		92,452
Prior	367,230		86,784
Revolving	15,762		23,198
Total	1,201,943		1,232,213
Pass | Commercial real estate - non owner occupied | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	18,100		509,596
2023	223,154		748,854
2022	615,013		722,472
2021	703,015		287,235
2020	304,502		119,515
Prior	605,654		84,690
Revolving	28,277		29,001
Total	2,497,715		2,501,363
Pass | Multi-family real estate | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	8,262		57,378
2023	25,784		137,533
2022	118,826		139,879
2021	168,105		43,881
2020	65,299		12,231
Prior	46,319		10,323
Revolving	23,876		20,151
Total	456,471		421,376
Pass | Residential 1-4 family real estate | Real estate, mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2024	91,863		363,410
2023	275,322		400,483
2022	417,272		317,515
2021	302,005		186,459
2020	179,607		94,567
Prior	404,016		260,102
Revolving	3,171		3,247
Total	1,673,256		1,625,783
Pass | Home equity loans/lines of credit | Real estate, mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2024	233		2,830
2023	2,481		1,136
2022	833		1,141
2021	533		223
2020	290		499
Prior	2,614		1,233
Revolving	313,602		319,199
Total	320,586		326,261
Special Mention | Consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving	0		0
Total	0		0
Special Mention | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0		2,832
2023	86		2,547
2022	50		167
2021	1,877		185
2020	156		448
Prior	1,932		672
Revolving	3,114		1,135
Total	7,215		7,986
Special Mention | Construction, development & other land loans | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0		489
2023	377		273
2022	891		59
2021	0		0
2020	158		2
Prior	3,931		4
Revolving	16		19
Total	5,373		846
Special Mention | Commercial real estate - owner occupied | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0		338
2023	740		2,533
2022	3,939		271
2021	4,454		817
2020	296		5,755
Prior	12,373		2,253
Revolving	0		0
Total	21,802		11,967
Special Mention | Commercial real estate - non owner occupied | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0		11,353
2023	0		199
2022	161		36
2021	0		393
2020	0		1,183
Prior	17,805		5,942
Revolving	1,450		342
Total	19,416		19,448
Special Mention | Multi-family real estate | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	671		0
Revolving	0		0
Total	671		0
Special Mention | Residential 1-4 family real estate | Real estate, mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0		681
2023	0		41
2022	0		202
2021	31		64
2020	63		587
Prior	1,471		1,987
Revolving	0		0
Total	1,565		3,562
Special Mention | Home equity loans/lines of credit | Real estate, mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0		163
2023	0		0
2022	0		122
2021	122		0
2020	0		0
Prior	165		0
Revolving	17		18
Total	304		303
Classified | Consumer loans
Financing Receivable, Credit Quality Indicator [Line Items]
2024	134		130
2023	23		7
2022	38		45
2021	43		0
2020	0		3
Prior	35		34
Revolving	36		31
Total	309		250
Classified | Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	50		1,626
2023	84		1,152
2022	2,655		720
2021	617		1,389
2020	767		1,647
Prior	8,967		4,487
Revolving	1,026		803
Total	14,166		11,824
Classified | Construction, development & other land loans | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	1		657
2023	0		708
2022	390		0
2021	0		0
2020	67		8
Prior	143		11
Revolving	0		0
Total	601		1,384
Classified | Commercial real estate - owner occupied | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0		4,456
2023	73		1,505
2022	1,477		1,721
2021	1,549		895
2020	1,206		2,288
Prior	10,652		3,904
Revolving	57		73
Total	15,014		14,842
Classified | Commercial real estate - non owner occupied | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0		871
2023	0		32
2022	0		14
2021	658		4,214
2020	4,233		634
Prior	2,199		1,484
Revolving	0		0
Total	7,090		7,249
Classified | Multi-family real estate | Real estate, commercial
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0		0
2023	0		0
2022	0		0
2021	0		0
2020	0		0
Prior	0		0
Revolving	0		0
Total	0		0
Classified | Residential 1-4 family real estate | Real estate, mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2024	262		1,848
2023	0		50
2022	0		474
2021	462		741
2020	1,194		472
Prior	7,434		6,539
Revolving	0		0
Total	9,352		10,124
Classified | Home equity loans/lines of credit | Real estate, mortgage
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0		255
2023	0		0
2022	0		146
2021	93		91
2020	91		112
Prior	285		10
Revolving	7,107		7,890
Total	$ 7,576		$ 8,504