Loans, Allowance for Credit Losses, and Asset Quality Information - Schedule of Analysis of Payment Status of Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Loans	$ 8,027,037	$ 6,665,145
Nonaccrual loans	26,884	28,514
Unamortized net deferred loan fees	(316)	(1,403)
Total	8,027,353	6,666,548
Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	7,149	5,417
Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,090	2,811
Accruing 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Current
Financing Receivable, Past Due [Line Items]
Loans	7,991,230	6,629,806
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	9,788	10,229
Total	893,910	641,941
Commercial and industrial | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,326	438
Commercial and industrial | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	155	565
Commercial and industrial | Accruing 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Commercial and industrial | Current
Financing Receivable, Past Due [Line Items]
Loans	882,641	630,709
Commercial and industrial | Loans, Excluding Purchased Credit Impaired Loans
Financing Receivable, Past Due [Line Items]
Total	893,910	641,941
Real estate, commercial | Construction, development & other land loans
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	115	1,009
Total	1,008,289	934,176
Real estate, commercial | Construction, development & other land loans | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	693	238
Real estate, commercial | Construction, development & other land loans | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	339	1,687
Real estate, commercial | Construction, development & other land loans | Accruing 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Real estate, commercial | Construction, development & other land loans | Current
Financing Receivable, Past Due [Line Items]
Loans	1,007,142	931,242
Real estate, commercial | Construction, development & other land loans | Loans, Excluding Purchased Credit Impaired Loans
Financing Receivable, Past Due [Line Items]
Total	1,008,289	934,176
Real estate, commercial | Commercial real estate - owner occupied
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	7,989	9,673
Total	1,252,259	1,036,270
Real estate, commercial | Commercial real estate - owner occupied | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,864	124
Real estate, commercial | Commercial real estate - owner occupied | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	48
Real estate, commercial | Commercial real estate - owner occupied | Accruing 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Real estate, commercial | Commercial real estate - owner occupied | Current
Financing Receivable, Past Due [Line Items]
Loans	1,242,406	1,026,425
Real estate, commercial | Commercial real estate - owner occupied | Loans, Excluding Purchased Credit Impaired Loans
Financing Receivable, Past Due [Line Items]
Total	1,252,259	1,036,270
Real estate, commercial | Commercial real estate - non owner occupied
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	3,068	2,832
Total	2,509,317	2,123,811
Real estate, commercial | Commercial real estate - non owner occupied | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	76	496
Real estate, commercial | Commercial real estate - non owner occupied | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	49
Real estate, commercial | Commercial real estate - non owner occupied | Accruing 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Real estate, commercial | Commercial real estate - non owner occupied | Current
Financing Receivable, Past Due [Line Items]
Loans	2,506,173	2,120,434
Real estate, commercial | Commercial real estate - non owner occupied | Loans, Excluding Purchased Credit Impaired Loans
Financing Receivable, Past Due [Line Items]
Total	2,509,317	2,123,811
Real estate, commercial | Multi-family real estate
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	0	0
Total	405,161	350,180
Real estate, commercial | Multi-family real estate | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Real estate, commercial | Multi-family real estate | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Real estate, commercial | Multi-family real estate | Accruing 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Real estate, commercial | Multi-family real estate | Current
Financing Receivable, Past Due [Line Items]
Loans	405,161	350,180
Real estate, commercial | Multi-family real estate | Loans, Excluding Purchased Credit Impaired Loans
Financing Receivable, Past Due [Line Items]
Total	405,161	350,180
Real estate, mortgage | Residential 1-4 family real estate
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	2,979	3,289
Total	1,560,140	1,195,785
Real estate, mortgage | Residential 1-4 family real estate | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	2,200	3,415
Real estate, mortgage | Residential 1-4 family real estate | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	1,349	25
Real estate, mortgage | Residential 1-4 family real estate | Accruing 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Real estate, mortgage | Residential 1-4 family real estate | Current
Financing Receivable, Past Due [Line Items]
Loans	1,553,612	1,189,056
Real estate, mortgage | Residential 1-4 family real estate | Loans, Excluding Purchased Credit Impaired Loans
Financing Receivable, Past Due [Line Items]
Total	1,560,140	1,195,785
Real estate, mortgage | Home equity loans/lines of credit
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	2,780	1,397
Total	331,108	323,726
Real estate, mortgage | Home equity loans/lines of credit | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	720	457
Real estate, mortgage | Home equity loans/lines of credit | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	111	371
Real estate, mortgage | Home equity loans/lines of credit | Accruing 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Real estate, mortgage | Home equity loans/lines of credit | Current
Financing Receivable, Past Due [Line Items]
Loans	327,497	321,501
Real estate, mortgage | Home equity loans/lines of credit | Loans, Excluding Purchased Credit Impaired Loans
Financing Receivable, Past Due [Line Items]
Total	331,108	323,726
Consumer loans
Financing Receivable, Past Due [Line Items]
Nonaccrual loans	165	85
Total	67,169	60,659
Consumer loans | Accruing 30-59 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	270	249
Consumer loans | Accruing 60-89 Days Past Due
Financing Receivable, Past Due [Line Items]
Loans	136	66
Consumer loans | Accruing 90 Days or More Past Due
Financing Receivable, Past Due [Line Items]
Loans	0	0
Consumer loans | Current
Financing Receivable, Past Due [Line Items]
Loans	66,598	60,259
Consumer loans | Loans, Excluding Purchased Credit Impaired Loans
Financing Receivable, Past Due [Line Items]
Total	$ 67,169	$ 60,659