Loans and Allowance for Credit Losses on Loans HFI - Schedule of Analysis of Aging by Class of Financing Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable, Past Due [Line Items]
Loans held for investment	$ 9,309,553	$ 9,408,783
90 days or  more and accruing interest	17,058	12,693
Nonaccrual loans	56,165	48,230
30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	56,180	47,043
Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	9,180,150	9,300,817
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,614,307	1,720,733
90 days or  more and accruing interest	65	0
Nonaccrual loans	22,797	21,730
Commercial and industrial | 30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,334	732
Commercial and industrial | Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,590,111	1,698,271
Construction
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,200,123	1,397,313
90 days or  more and accruing interest	1,306	165
Nonaccrual loans	4,590	2,872
Construction | 30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	11,767	6,579
Construction | Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,182,460	1,387,697
Residential real estate: | 1-to-4 family mortgage
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,584,029	1,568,552
90 days or  more and accruing interest	11,643	9,355
Nonaccrual loans	6,687	6,718
Residential real estate: | 1-to-4 family mortgage | 30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	23,244	21,768
Residential real estate: | 1-to-4 family mortgage | Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,542,455	1,530,711
Residential real estate: | Residential line of credit
Financing Receivable, Past Due [Line Items]
Loans held for investment	559,359	530,912
90 days or  more and accruing interest	1,738	1,337
Nonaccrual loans	235	1,136
Residential real estate: | Residential line of credit | 30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	2,282	2,464
Residential real estate: | Residential line of credit | Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	555,104	525,975
Residential real estate: | Multi-family mortgage
Financing Receivable, Past Due [Line Items]
Loans held for investment	597,039	603,804
90 days or  more and accruing interest	0	0
Nonaccrual loans	29	32
Residential real estate: | Multi-family mortgage | 30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	0	0
Residential real estate: | Multi-family mortgage | Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	597,010	603,772
Commercial real estate: | Owner-occupied
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,274,705	1,232,071
90 days or  more and accruing interest	0	0
Nonaccrual loans	9,163	3,188
Commercial real estate: | Owner-occupied | 30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	274	480
Commercial real estate: | Owner-occupied | Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,265,268	1,228,403
Commercial real estate: | Non-owner occupied
Financing Receivable, Past Due [Line Items]
Loans held for investment	2,035,102	1,943,525
90 days or  more and accruing interest	0	0
Nonaccrual loans	3,147	3,351
Commercial real estate: | Non-owner occupied | 30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	3,512	4,059
Commercial real estate: | Non-owner occupied | Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	2,028,443	1,936,115
Consumer and other
Financing Receivable, Past Due [Line Items]
Loans held for investment	444,889	411,873
90 days or  more and accruing interest	2,306	1,836
Nonaccrual loans	9,517	9,203
Consumer and other | 30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	13,767	10,961
Consumer and other | Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	$ 419,299	$ 389,873