Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Interest income
Interest and fees on loans	$ 260,249	$ 197,778	$ 521,231	$ 392,871
Interest Income, Securities, Operating, Taxable	26,098	15,879	51,358	31,175
Non-taxable interest and dividends on securities	102	2	216	3
Interest on loans held for sale	210	140	462	232
Interest on federal funds sold and short-term investments	2,633	4,393	6,290	5,831
Total interest and dividend income	289,292	218,192	579,557	430,112
Interest expense
Interest on deposits	67,641	59,843	134,576	119,279
Interest on borrowings	10,724	10,853	21,595	17,832
Interest Expense, Operating, Total	78,365	70,696	156,171	137,111
Net interest income	210,927	147,496	423,386	293,001
Net interest income after provision for credit losses	204,677	140,296	411,636	270,801
Non-interest income
Deposit account fees	9,393	7,141	18,642	14,194
Interchange and ATM fees	5,686	4,997	10,704	9,619
Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions	14,961	11,380	29,126	22,600
Mortgage banking income	1,174	1,072	2,444	1,813
Bank Owned Life Insurance Income	2,636	2,038	5,348	4,103
Gain Realized on Life Insurance Policies	(672)	(1,650)	(1,018)	(1,650)
Loan level derivative income	1,317	66	2,227	1,108
Other non-interest income	6,552	5,964	13,143	11,760
Total non-interest income	42,391	34,308	82,652	66,847
Non-interest expenses
Salaries and employee benefits	79,088	62,856	159,825	124,787
Occupancy and equipment expenses	16,170	13,158	33,476	27,017
Data processing & facilities management	3,208	2,783	6,467	5,425
Software Maintenance	7,070	5,166	14,138	10,193
Intangible Asset, Finite-Lived, Amortization Expense	6,791	1,197	13,681	2,541
Consulting expense	3,274	1,018	5,251	2,115
Business Combination, Acquisition-Related Cost, Expense	0	2,239	3,024	3,394
FDIC assessment	3,158	2,373	6,486	5,361
Debit card expense	2,462	1,984	4,864	3,919
Other non-interest expenses	19,051	16,024	35,977	29,924
Total non-interest expenses	140,272	108,798	283,189	214,676
Income before income taxes	106,796	65,806	211,099	122,972
Current Federal, State and Local, Tax Expense (Benefit)	24,958	14,705	49,342	27,447
Net income	$ 81,838	$ 51,101	$ 161,757	$ 95,525
Basic earnings per share (in dollars per share)	$ 1.70	$ 1.20	$ 3.33	$ 2.24
Diluted earnings per share (in dollars per share)	$ 1.70	$ 1.20	$ 3.33	$ 2.24
Weighted average common shares (basic) (in shares)	48,054,411	42,623,978	48,509,706	42,587,330
Common shares equivalents (in shares)	22,344	17,153	26,014	19,753
Weighted average common shares (diluted) (in shares)	48,076,755	42,641,131	48,535,720	42,607,083
Cash dividends declared per common share (in dollars per share)	$ 0.64	$ 0.59	$ 1.28	$ 1.18
Provision for Loan and Lease Losses	$ 6,250	$ 7,200	$ 11,750	$ 22,200
Retained Earnings [Member]
Non-interest expenses
Net income	$ 81,838	$ 51,101	$ 161,757	$ 95,525