Loans - Summary of Term Loans by Origination Year (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 10,011,918	$ 9,737,138
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
2023	463,338
2022	1,326,979	1,456,605
2021	510,178	650,568
2020	312,239	348,225
2019	164,307	172,574
2018		70,890
Prior	120,181
Prior		70,437
Revolving Loans Converted to Term Loans	10,103	8,388
Revolving Loans	1,100,374	1,058,885
Total	4,007,699	3,836,572
Commercial and industrial | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	446,623
2022	1,294,156	1,403,381
2021	487,289	635,275
2020	296,880	332,740
2019	163,807	172,127
2018		62,729
Prior	107,963
Prior		66,152
Revolving Loans Converted to Term Loans	9,928	8,388
Revolving Loans	1,003,625	964,592
Total	3,810,271	3,645,384
Commercial and industrial | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	11,145
2022	21,894	37,048
2021	17,320	10,836
2020	13,862	13,858
2019	477	423
2018		7,995
Prior	11,766
Prior		4,102
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	68,846	72,944
Total	145,310	147,206
Commercial and industrial | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	5,570
2022	10,929	16,176
2021	5,569	4,457
2020	1,497	1,627
2019	23	24
2018		166
Prior	452
Prior		183
Revolving Loans Converted to Term Loans	175	0
Revolving Loans	27,903	21,349
Total	52,118	43,982
Commercial real estate-investor owned
Financing Receivable, Credit Quality Indicator [Line Items]
2023	133,638
2022	676,981	687,774
2021	576,374	590,395
2020	409,631	416,369
2019	228,700	252,591
2018		115,723
Prior	311,868
Prior		221,816
Revolving Loans Converted to Term Loans	1,750	1,506
Revolving Loans	60,720	53,051
Total	2,399,662	2,339,225
Commercial real estate-investor owned | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	133,638
2022	649,170	667,107
2021	571,133	584,644
2020	385,909	392,402
2019	217,109	240,033
2018		115,530
Prior	293,114
Prior		202,661
Revolving Loans Converted to Term Loans	1,701	1,457
Revolving Loans	60,720	53,051
Total	2,312,494	2,256,885
Commercial real estate-investor owned | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	26,002	18,844
2021	5,241	5,751
2020	23,260	23,502
2019	10,952	11,605
2018		0
Prior	12,909
Prior		13,063
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	0	0
Total	78,364	72,765
Commercial real estate-investor owned | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	1,809	1,823
2021	0	0
2020	462	465
2019	639	953
2018		193
Prior	5,845
Prior		6,092
Revolving Loans Converted to Term Loans	49	49
Revolving Loans	0	0
Total	8,804	9,575
Commercial real estate-owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
2023	122,788
2022	526,161	550,774
2021	534,592	561,063
2020	373,624	382,489
2019	219,374	245,700
2018		152,011
Prior	412,198
Prior		291,009
Revolving Loans Converted to Term Loans	4,962	0
Revolving Loans	58,384	58,108
Total	2,252,083	2,241,154
Commercial real estate-owner occupied | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	113,180
2022	520,215	539,610
2021	527,516	555,690
2020	348,955	362,150
2019	205,503	232,335
2018		123,095
Prior	371,027
Prior		270,613
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	57,489	57,308
Total	2,143,885	2,140,801
Commercial real estate-owner occupied | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	9,608
2022	5,946	11,164
2021	4,862	3,801
2020	19,644	16,856
2019	4,459	4,455
2018		13,043
Prior	13,660
Prior		9,009
Revolving Loans Converted to Term Loans	4,962	0
Revolving Loans	300	800
Total	63,441	59,128
Commercial real estate-owner occupied | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0	0
2021	2,214	1,572
2020	5,025	3,483
2019	9,412	8,910
2018		15,873
Prior	27,511
Prior		11,387
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	595	0
Total	44,757	41,225
Construction real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	107,960
2022	289,971	308,669
2021	198,719	232,998
2020	51,151	53,810
2019	3,089	3,069
2018		2,643
Prior	10,737
Prior		8,607
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	1,637	1,769
Total	663,264	611,565
Construction real estate | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	106,759
2022	288,291	290,146
2021	198,719	232,998
2020	51,005	53,129
2019	2,931	2,909
2018		2,061
Prior	10,045
Prior		8,480
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	1,637	1,769
Total	659,387	591,492
Construction real estate | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	1,284	17,331
2021	0	0
2020	146	681
2019	145	146
2018		111
Prior	217
Prior		106
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	0	0
Total	1,792	18,375
Construction real estate | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	1,201
2022	396	1,192
2021	0	0
2020	0	0
2019	13	14
2018		471
Prior	475
Prior		21
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	0	0
Total	2,085	1,698
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
2023	9,606
2022	50,952	63,769
2021	54,479	60,983
2020	37,471	48,796
2019	20,566	21,075
2018		12,713
Prior	97,880
Prior		90,570
Revolving Loans Converted to Term Loans	774	579
Revolving Loans	91,595	96,309
Total	363,323	394,794
Residential real estate | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	9,606
2022	50,504	63,317
2021	54,407	60,910
2020	37,471	48,796
2019	20,438	20,943
2018		11,259
Prior	94,722
Prior		88,795
Revolving Loans Converted to Term Loans	774	579
Revolving Loans	91,520	96,304
Total	359,442	390,903
Residential real estate | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	329	331
2021	0	0
2020	0	0
2019	77	79
2018		352
Prior	1,119
Prior		781
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	0	0
Total	1,525	1,543
Residential real estate | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	119	121
2021	72	73
2020	0	0
2019	51	53
2018		1,102
Prior	2,039
Prior		994
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	75	5
Total	2,356	2,348
Other
Financing Receivable, Credit Quality Indicator [Line Items]
2023	960
2022	60,165	38,753
2021	85,417	88,613
2020	55,789	56,252
2019	9,975	10,560
2018		20,511
Prior	26,911
Prior		10,807
Revolving Loans Converted to Term Loans	0	3
Revolving Loans	6,833	9,540
Total	246,050	235,039
Other | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	960
2022	60,165	38,753
2021	85,417	88,613
2020	55,789	56,252
2019	9,973	10,556
2018		20,508
Prior	26,899
Prior		10,796
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	6,833	9,536
Total	246,036	235,014
Other | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018		0
Prior	0
Prior		0
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	0	0
Total	0	0
Other | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0	0
2021	0	0
2020	0	0
2019	2	4
2018		3
Prior	12
Prior		11
Revolving Loans Converted to Term Loans	0	3
Revolving Loans	0	4
Total	14	25
Total loans classified by risk category
Financing Receivable, Credit Quality Indicator [Line Items]
2023	838,290	3,106,344
2022	2,931,209	2,184,620
2021	1,959,759	1,305,941
2020	1,239,905	705,569
2019	646,011	374,491
Prior	979,775	693,246
Revolving Loans Converted to Term Loans	17,589	10,476
Revolving Loans	1,319,543	1,277,662
Total	9,932,081	9,658,349
Total loans classified by performing status
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 79,837	$ 78,789