Loans - Summary of Term Loans by Origination Year (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 10,512,623	$ 9,737,138
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	990,507	1,456,605
Year Two	1,218,707	650,568
Year Three	425,313	348,225
Year Four	293,333	172,574
Year Five	136,595	70,890
Prior	102,001	70,437
Revolving Loans Converted to Term Loans	14,689	8,388
Revolving Loans	1,147,341	1,058,885
Total	4,328,486	3,836,572
Commercial and industrial | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	970,780	1,403,381
Year Two	1,190,136	635,275
Year Three	403,954	332,740
Year Four	279,051	172,127
Year Five	135,720	62,729
Prior	90,012	66,152
Revolving Loans Converted to Term Loans	14,163	8,388
Revolving Loans	1,052,233	964,592
Total	4,136,049	3,645,384
Commercial and industrial | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	13,250	37,048
Year Two	19,004	10,836
Year Three	15,944	13,858
Year Four	12,909	423
Year Five	852	7,995
Prior	11,595	4,102
Revolving Loans Converted to Term Loans	353	0
Revolving Loans	64,652	72,944
Total	138,559	147,206
Commercial and industrial | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	6,477	16,176
Year Two	9,567	4,457
Year Three	5,415	1,627
Year Four	1,373	24
Year Five	23	166
Prior	394	183
Revolving Loans Converted to Term Loans	173	0
Revolving Loans	30,456	21,349
Total	53,878	43,982
Commercial real estate-investor owned
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	279,839	687,774
Year Two	646,643	590,395
Year Three	588,169	416,369
Year Four	375,744	252,591
Year Five	217,419	115,723
Prior	281,237	221,816
Revolving Loans Converted to Term Loans	5,810	1,506
Revolving Loans	52,553	53,051
Total	2,447,414	2,339,225
Commercial real estate-investor owned | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	271,496	667,107
Year Two	618,992	584,644
Year Three	571,395	392,402
Year Four	363,098	240,033
Year Five	205,959	115,530
Prior	263,606	202,661
Revolving Loans Converted to Term Loans	5,762	1,457
Revolving Loans	52,553	53,051
Total	2,352,861	2,256,885
Commercial real estate-investor owned | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	8,343	18,844
Year Two	25,842	5,751
Year Three	16,774	23,502
Year Four	12,184	11,605
Year Five	10,824	0
Prior	13,125	13,063
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	0	0
Total	87,092	72,765
Commercial real estate-investor owned | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	0	1,823
Year Two	1,809	0
Year Three	0	465
Year Four	462	953
Year Five	636	193
Prior	4,506	6,092
Revolving Loans Converted to Term Loans	48	49
Revolving Loans	0	0
Total	7,461	9,575
Commercial real estate-owner occupied
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	263,058	550,774
Year Two	526,556	561,063
Year Three	520,709	382,489
Year Four	359,522	245,700
Year Five	213,087	152,011
Prior	385,573	291,009
Revolving Loans Converted to Term Loans	9,131	0
Revolving Loans	30,118	58,108
Total	2,307,754	2,241,154
Commercial real estate-owner occupied | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	252,316	539,610
Year Two	514,007	555,690
Year Three	514,350	362,150
Year Four	335,271	232,335
Year Five	198,183	123,095
Prior	346,366	270,613
Revolving Loans Converted to Term Loans	4,074	0
Revolving Loans	27,122	57,308
Total	2,191,689	2,140,801
Commercial real estate-owner occupied | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	10,742	11,164
Year Two	10,906	3,801
Year Three	4,072	16,856
Year Four	19,242	4,455
Year Five	6,093	13,043
Prior	15,582	9,009
Revolving Loans Converted to Term Loans	4,962	0
Revolving Loans	2,496	800
Total	74,095	59,128
Commercial real estate-owner occupied | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	0	0
Year Two	1,643	1,572
Year Three	2,287	3,483
Year Four	5,009	8,910
Year Five	8,811	15,873
Prior	23,625	11,387
Revolving Loans Converted to Term Loans	95	0
Revolving Loans	500	0
Total	41,970	41,225
Construction real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	205,901	308,669
Year Two	296,524	232,998
Year Three	113,358	53,810
Year Four	46,451	3,069
Year Five	2,663	2,643
Prior	4,317	8,607
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	2,359	1,769
Total	671,573	611,565
Construction real estate | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	204,763	290,146
Year Two	294,359	232,998
Year Three	113,358	53,129
Year Four	46,209	2,909
Year Five	2,524	2,061
Prior	3,598	8,480
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	2,359	1,769
Total	667,170	591,492
Construction real estate | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	0	17,331
Year Two	2,165	0
Year Three	0	681
Year Four	242	146
Year Five	126	111
Prior	247	106
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	0	0
Total	2,780	18,375
Construction real estate | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	1,138	1,192
Year Two	0	0
Year Three	0	0
Year Four	0	14
Year Five	13	471
Prior	472	21
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	0	0
Total	1,623	1,698
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	28,812	63,769
Year Two	48,172	60,983
Year Three	54,480	48,796
Year Four	33,718	21,075
Year Five	20,276	12,713
Prior	91,820	90,570
Revolving Loans Converted to Term Loans	1,546	579
Revolving Loans	89,315	96,309
Total	368,139	394,794
Residential real estate | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	28,768	63,317
Year Two	46,813	60,910
Year Three	54,408	48,796
Year Four	33,718	20,943
Year Five	20,151	11,259
Prior	88,833	88,795
Revolving Loans Converted to Term Loans	1,472	579
Revolving Loans	81,766	96,304
Total	355,929	390,903
Residential real estate | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	44	331
Year Two	282	0
Year Three	0	0
Year Four	0	79
Year Five	76	352
Prior	1,137	781
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	7,549	0
Total	9,088	1,543
Residential real estate | Classified (8-9)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	0	121
Year Two	1,077	73
Year Three	72	0
Year Four	0	53
Year Five	49	1,102
Prior	1,850	994
Revolving Loans Converted to Term Loans	74	0
Revolving Loans	0	5
Total	3,122	2,348
Other
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	7,650	38,753
Year Two	59,071	88,613
Year Three	87,218	56,252
Year Four	54,644	10,560
Year Five	9,748	20,511
Prior	23,924	10,807
Revolving Loans Converted to Term Loans	0	3
Revolving Loans	58,774	9,540
Total	301,029	235,039
Other | Pass (1-6)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	7,650	38,753
Year Two	59,071	88,613
Year Three	87,218	56,252
Year Four	54,644	10,556
Year Five	9,748	20,508
Prior	23,914	10,796
Revolving Loans Converted to Term Loans	0	0
Revolving Loans	58,773	9,536
Total	301,018	235,014
Other | Special Mention (7)
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	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]
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	4
Year Five	0	3
Prior	10	11
Revolving Loans Converted to Term Loans	0	3
Revolving Loans	1	4
Total	11	25
Total loans classified by risk category
Financing Receivable, Credit Quality Indicator [Line Items]
Year One	1,775,767	3,106,344
Year Two	2,795,673	2,184,620
Year Three	1,789,247	1,305,941
Year Four	1,163,412	705,569
Year Five	599,788	374,491
Prior	888,872	693,246
Revolving Loans Converted to Term Loans	31,176	10,476
Revolving Loans	1,380,460	1,277,662
Total	10,424,395	9,658,349
Total loans classified by performing status
Financing Receivable, Credit Quality Indicator [Line Items]
Total	$ 88,228	$ 78,789