Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Interest income
Interest and fees on loans	$ 263,772	$ 200,597	$ 656,643	$ 591,097
Interest Income, Securities, Operating, Taxable	23,303	14,064	54,478	42,287
Non-taxable interest and dividends on securities	208	1	211	4
Interest on loans held for sale	225	227	457	530
Interest on federal funds sold and short-term investments	7,245	1,635	13,076	2,515
Total interest and dividend income	294,753	216,524	724,865	636,433
Interest expense
Interest on deposits	80,739	66,985	200,018	182,774
Interest on borrowings	10,670	7,836	28,502	36,591
Interest Expense, Operating, Total	91,409	74,821	228,520	219,365
Net interest income	203,344	141,703	496,345	417,068
Net interest income after provision for credit losses	164,825	122,203	435,626	388,318
Non-interest income
Deposit account fees	8,847	6,779	23,041	19,339
Interchange and ATM fees	5,989	4,970	15,608	14,175
Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions	13,652	11,033	36,252	31,961
Mortgage banking income	1,444	972	3,257	3,088
Bank Owned Life Insurance Income	2,629	2,006	6,732	5,934
Gain Realized on Life Insurance Policies	0	0	(1,650)	(263)
Loan level derivative income	1,224	1,125	2,332	1,678
Other non-interest income	6,613	6,664	18,373	19,384
Total non-interest income	40,398	33,549	107,245	95,822
Non-interest expenses
Salaries and employee benefits	81,132	60,108	205,919	174,444
Occupancy and equipment expenses	14,975	12,734	41,992	38,673
Data processing & facilities management	2,788	2,510	8,213	7,398
Software Maintenance	6,854	4,736	17,047	13,305
Amortization of Intangible Assets	7,315	1,460	9,856	4,488
Business Combination, Acquisition-Related Cost, Expense	23,893	0	27,287	0
FDIC assessment	3,080	2,628	8,441	8,304
Other non-interest expenses	20,799	16,267	56,757	53,332
Total non-interest expenses	160,836	100,443	375,512	299,944
Income before income taxes	44,387	55,309	167,359	184,196
Current Federal, State and Local, Tax Expense (Benefit)	10,125	12,362	37,572	42,149
Net income	$ 34,262	$ 42,947	$ 129,787	$ 142,047
Basic earnings per share (in dollars per share)	$ 0.69	$ 1.01	$ 2.88	$ 3.34
Diluted earnings per share (in dollars per share)	$ 0.69	$ 1.01	$ 2.88	$ 3.34
Weighted average common shares (basic) (in shares)	49,934,574	42,481,441	45,063,324	42,501,199
Common shares equivalents (in shares)	22,433	11,622	20,646	9,602
Weighted average common shares (diluted) (in shares)	49,957,007	42,493,063	45,083,970	42,510,801
Common Stock, Dividends, Per Share, Cash Paid				$ 1.71
Cash dividends declared per common share (in dollars per share)	$ 0.59	$ 0.57	$ 1.77	$ 1.71
Provision for Loan and Lease Losses	$ 38,519	$ 19,500	$ 60,719	$ 28,750
Retained Earnings [Member]
Non-interest expenses
Net income	$ 34,262	$ 42,947	$ 129,787	$ 142,047