LOANS - Loan Portfolio Segment Balances (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 11,366,989	$ 11,396,706
Commercial Investor R/E
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	5,104,425	5,130,094
Commercial Owner- Occupied R/E
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,755,235	1,775,037
Commercial AD&C
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	988,967	1,090,028
Residential Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,474,521	1,287,933
Residential Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	121,419	224,772
Commercial Real Estate | Commercial Investor R/E
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	5,104,425	5,130,094
Commercial Real Estate | Commercial Owner- Occupied R/E
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,755,235	1,775,037
Commercial Real Estate | Commercial AD&C
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	988,967	1,090,028
Commercial Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	9,353,507	9,451,044
Commercial Business | Commercial Business
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,504,880	1,455,885
Residential Real Estate | Residential Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	1,474,521	1,287,933
Residential Real Estate | Residential Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	121,419	224,772
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	417,542	432,957
Total residential and consumer loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total loans	$ 2,013,482	$ 1,945,662