Loans - Credit Risk Profile Of Loan Portfolio Prior to Adoption of ASU 2016-13 (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 6,179,522	$ 5,928,933
Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	5,817,528	5,824,901
Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		104,032
Commercial and industrial
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	2,459,358	3,025,074
Commercial and industrial | Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	2,247,143	2,969,786
Commercial and industrial | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		55,288
Commercial real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,842,455	1,753,360
Commercial real estate | Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,744,163	1,715,415
Commercial real estate | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		37,945
Residential real estate
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,059,074	1,106,793
Residential real estate | Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	1,026,247	1,096,108
Residential real estate | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		10,685
Consumer
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	37,681	43,706
Consumer | Non-Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans	$ 36,937	43,592
Consumer | Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Total loans		$ 114