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, 2025	Dec. 31, 2024
Financing Receivable, Past Due [Line Items]
Loans held for investment	$ 9,874,282	$ 9,602,384
90 days or more and accruing interest	21,962	24,347
Nonaccrual loans	73,950	59,358
30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	64,372	47,855
Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	9,713,998	9,470,824
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,788,911	1,691,213
90 days or more and accruing interest	124	730
Nonaccrual loans	2,692	9,661
Commercial and industrial \| 30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,127	1,204
Commercial and industrial \| Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,784,968	1,679,618
Construction
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,022,678	1,087,732
90 days or more and accruing interest	154	538
Nonaccrual loans	28,872	10,915
Construction \| 30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	16,494	3,288
Construction \| Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	977,158	1,072,991
Residential real estate: \| 1-to-4 family mortgage
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,660,696	1,616,754
90 days or more and accruing interest	16,385	15,319
Nonaccrual loans	8,379	12,625
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	22,388	24,376
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	1,613,544	1,564,434
Residential real estate: \| Residential line of credit
Financing Receivable, Past Due [Line Items]
Loans held for investment	641,433	602,475
90 days or more and accruing interest	700	357
Nonaccrual loans	1,108	1,537
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	3,347	2,302
Residential real estate: \| Residential line of credit \| Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	636,278	598,279
Residential real estate: \| Multi-family mortgage
Financing Receivable, Past Due [Line Items]
Loans held for investment	587,254	653,769
90 days or more and accruing interest	0	0
Nonaccrual loans	9,582	21
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	979
Residential real estate: \| Multi-family mortgage \| Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	577,672	652,769
Commercial real estate: \| Owner-occupied
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,370,123	1,357,568
90 days or more and accruing interest	46	94
Nonaccrual loans	7,861	9,551
Commercial real estate: \| Owner-occupied \| 30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	2,248	1,996
Commercial real estate: \| Owner-occupied \| Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	1,359,968	1,345,927
Commercial real estate: \| Non-owner occupied
Financing Receivable, Past Due [Line Items]
Loans held for investment	2,198,689	2,099,129
90 days or more and accruing interest	0	3,512
Nonaccrual loans	3,697	2,667
Commercial real estate: \| Non-owner occupied \| 30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	0	0
Commercial real estate: \| Non-owner occupied \| Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	2,194,992	2,092,950
Consumer and other
Financing Receivable, Past Due [Line Items]
Loans held for investment	604,498	493,744
90 days or more and accruing interest	4,553	3,797
Nonaccrual loans	11,759	12,381
Consumer and other \| 30-89 days past due and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	18,768	13,710
Consumer and other \| Loans current on payments and accruing interest
Financing Receivable, Past Due [Line Items]
Loans held for investment	$ 569,418	$ 463,856