Loans and Allowance for Credit Losses on Loans HFI - Schedule of Loans Outstanding by Class of Financing Receivable (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Gross loans	$ 9,602,384	$ 9,408,783
Less: Allowance for credit losses on loans HFI	(151,942)	(150,326)	$ (134,192)	$ (125,559)
Net loans held for investment	9,450,442	9,258,457
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Gross loans	1,691,213	1,720,733
Less: Allowance for credit losses on loans HFI	(16,667)	(19,599)	(11,106)	(15,751)
Construction
Financing Receivable, Past Due [Line Items]
Gross loans	1,087,732	1,397,313
Less: Allowance for credit losses on loans HFI	(31,698)	(35,372)	(39,808)	(28,576)
Residential real estate: | 1-to-4 family mortgage
Financing Receivable, Past Due [Line Items]
Gross loans	1,616,754	1,568,552
Less: Allowance for credit losses on loans HFI	(25,340)	(26,505)	(26,141)	(19,104)
Residential real estate: | Residential line of credit
Financing Receivable, Past Due [Line Items]
Gross loans	602,475	530,912
Less: Allowance for credit losses on loans HFI	(10,952)	(9,468)	(7,494)	(5,903)
Residential real estate: | Multi-family mortgage
Financing Receivable, Past Due [Line Items]
Gross loans	653,769	603,804
Less: Allowance for credit losses on loans HFI	(10,512)	(8,842)	(6,490)	(6,976)
Commercial real estate: | Owner-occupied
Financing Receivable, Past Due [Line Items]
Gross loans	1,357,568	1,232,071
Less: Allowance for credit losses on loans HFI	(11,993)	(10,653)	(7,783)	(12,593)
Commercial real estate: | Non-owner occupied
Financing Receivable, Past Due [Line Items]
Gross loans	2,099,129	1,943,525
Less: Allowance for credit losses on loans HFI	(25,531)	(22,965)	(21,916)	(25,768)
Consumer and other
Financing Receivable, Past Due [Line Items]
Gross loans	493,744	411,873
Less: Allowance for credit losses on loans HFI	$ (19,249)	$ (16,922)	$ (13,454)	$ (10,888)