LOANS AND ALLOWANCE FOR CREDIT LOSSES - Loan Portfolio (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accounts Notes And Loans Receivable [Line Items]
Total loans	$ 7,754,751	$ 4,220,486
Allowance for credit losses on loans	(93,180)	(47,940)	$ (53,173)	$ (29,438)
Loans, net	7,661,571	4,172,546
Commercial and industrial
Accounts Notes And Loans Receivable [Line Items]
Total loans	1,455,795	693,559
Allowance for credit losses on loans	(41,236)	(16,629)	(17,738)	(8,818)
Paycheck Protection Program (PPP)
Accounts Notes And Loans Receivable [Line Items]
Total loans	13,226	145,942
Allowance for credit losses on loans	0	0	0	0
Real estate | Commercial real estate (including multi-family residential)
Accounts Notes And Loans Receivable [Line Items]
Total loans	3,931,480	2,104,621
Allowance for credit losses on loans	(32,970)	(23,143)	(23,934)	(11,170)
Real estate | Commercial real estate construction and land development
Accounts Notes And Loans Receivable [Line Items]
Total loans	1,037,678	439,125
Allowance for credit losses on loans	(14,121)	(6,263)	(6,939)	(4,421)
Real estate | 1-4 family residential (including home equity)
Accounts Notes And Loans Receivable [Line Items]
Total loans	1,000,956	685,071
Allowance for credit losses on loans	(2,709)	(847)	(3,279)	(3,852)
Real estate | Residential construction
Accounts Notes And Loans Receivable [Line Items]
Total loans	268,150	117,901
Allowance for credit losses on loans	(1,796)	(975)	(870)	(1,057)
Consumer and other
Accounts Notes And Loans Receivable [Line Items]
Total loans	47,466	34,267
Allowance for credit losses on loans	$ (348)	$ (83)	$ (413)	$ (120)