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Loans and Allowance for Credit Losses on Loans HFI - Schedule of Analysis of Aging by Class of Financing Receivable (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | $ 9,478,129 | $ 9,408,783
90 days or more and accruing interest | 26,250 | 12,693
Nonaccrual loans | 64,585 | 48,230
30-89 days past due and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 40,461 | 47,043
Loans current on payments and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 9,346,833 | 9,300,817
Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 1,688,815 | 1,720,733
90 days or more and accruing interest | 600 | 0
Nonaccrual loans | 22,458 | 21,730
Commercial and industrial | 30-89 days past due and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 760 | 732
Commercial and industrial | Loans current on payments and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 1,664,997 | 1,698,271
Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 1,079,726 | 1,397,313
90 days or more and accruing interest | 365 | 165
Nonaccrual loans | 11,181 | 2,872
Construction | 30-89 days past due and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 2,734 | 6,579
Construction | Loans current on payments and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 1,065,446 | 1,387,697
Residential real estate: | 1-to-4 family mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 1,612,031 | 1,568,552
90 days or more and accruing interest | 15,249 | 9,355
Nonaccrual loans | 8,599 | 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 | 21,644 | 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 | 1,566,539 | 1,530,711
Residential real estate: | Residential line of credit |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 591,049 | 530,912
90 days or more and accruing interest | 1,331 | 1,337
Nonaccrual loans | 227 | 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 | 2,061 | 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 | 587,430 | 525,975
Residential real estate: | Multi-family mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 654,188 | 603,804
90 days or more and accruing interest | 0 | 0
Nonaccrual loans | 25 | 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 | 654,163 | 603,772
Commercial real estate: | Owner-occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 1,324,208 | 1,232,071
90 days or more and accruing interest | 95 | 0
Nonaccrual loans | 8,904 | 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 | 236 | 480
Commercial real estate: | Owner-occupied | Loans current on payments and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 1,314,973 | 1,228,403
Commercial real estate: | Non-owner occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 2,048,036 | 1,943,525
90 days or more and accruing interest | 3,512 | 0
Nonaccrual loans | 3,055 | 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 | 65 | 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 | 2,041,404 | 1,936,115
Consumer and other |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 480,076 | 411,873
90 days or more and accruing interest | 5,098 | 1,836
Nonaccrual loans | 10,136 | 9,203
Consumer and other | 30-89 days past due and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | 12,961 | 10,961
Consumer and other | Loans current on payments and accruing interest |  |
Financing Receivable, Past Due [Line Items] |  |
Loans held for investment | $ 451,881 | $ 389,873

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