Loans - Loans Held for Investment (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	$ 6,155,090		$ 5,928,933
Allowance for credit losses	(77,362)	$ (74,459)	(65,917)	$ (56,077)	$ (50,509)	$ (47,547)
Loans, net of allowance for credit losses	6,077,728		5,845,915
Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans			5,911,832
Allowance for credit losses			(65,917)
Loans, net of allowance for credit losses			5,845,915
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	2,474,531		3,025,074
Allowance for credit losses	(33,197)	(28,545)	(40,785)	(33,305)	(33,009)	(31,622)
Commercial and industrial | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans			2,310,929
Commercial real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	1,783,419		1,753,360
Allowance for credit losses	(21,598)	(24,186)	(19,754)	(18,351)	(14,566)	(13,198)
Commercial real estate | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans			1,845,703
Commercial real estate | Non-owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	723,365
Commercial real estate | Non-owner occupied | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans			779,546
Commercial real estate | Owner occupied
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	643,191
Commercial real estate | Owner occupied | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans			636,272
Commercial real estate | Construction and land
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	316,399
Commercial real estate | Construction and land | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans			327,817
Commercial real estate | Multifamily
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	100,464
Commercial real estate | Multifamily | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans			102,068
Residential real estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	1,082,991		1,106,793
Allowance for credit losses	(14,959)	(14,165)	(2,963)	(2,418)	(997)	(836)
Residential real estate | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans			1,003,931
Public finance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	611,748
Allowance for credit losses	(5,506)	(5,549)	(1,664)	(1,538)	(1,611)	(1,544)
Public finance | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans			590,284
Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	39,909		43,706
Allowance for credit losses	(854)	(676)	(352)	(318)	(233)	(235)
Consumer | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans			42,588
Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans	162,492
Allowance for credit losses	$ (1,248)	$ (1,338)	(399)	$ (147)	$ (93)	$ (112)
Other | Adjusted beginning balance
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans			$ 118,397