Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
ASSETS
Cash and due from banks	$ 201,557	$ 64,673
Short-term investments	1,840,188	478,997
Total cash and cash equivalents	2,041,745	543,670
Investment securities available-for-sale	1,688,768	895,034
Total investment securities	1,688,768	895,034
Allowance for investment security losses	(94)	(82)
Net investment securities	1,688,674	894,952
Total loans and leases	18,029,552	9,779,288
Allowance for loan and lease losses	(252,839)	(125,083)
Net loans and leases	17,776,713	9,654,205
Restricted equity securities	87,438	83,155
Premises and equipment, net of accumulated depreciation of $112,926 and $103,466, respectively	162,474	86,781
Right-of-use asset operating leases	82,817	43,527
Deferred tax asset	149,487	56,620
Goodwill	351,613	241,222
Identified intangible assets, net of accumulated amortization of $29,118 and $16,526, respectively	189,562	17,461
OREO and repossessed assets, net	2,591	1,103
Cash surrender value of bank-owned life insurance policies	334,442	84,448
Other assets	352,816	198,182
Total assets	23,220,372	11,905,326
Non-interest-bearing deposits:
Demand checking accounts	4,032,529	1,692,394
Interest-bearing deposits:
NOW accounts	1,445,894	617,246
Savings accounts	2,954,029	1,721,247
Money market accounts	6,515,306	2,116,360
Certificate of deposit accounts	4,156,540	1,885,444
Brokered deposit accounts	410,359	868,953
Total interest-bearing deposits	15,482,128	7,209,250
Total deposits	19,514,657	8,901,644
Borrowed funds:
Advances from the FHLB	555,788	1,355,926
Subordinated debentures and notes	198,572	84,328
Other borrowed funds	34,000	79,592
Total borrowed funds	788,360	1,519,846
Operating lease liabilities	90,713	44,785
Mortgagors' escrow accounts	15,508	15,875
Reserve for unfunded credits	13,746	5,981
Accrued expenses and other liabilities	301,327	195,256
Total liabilities	20,724,311	10,683,387
Commitments and contingencies (Note 13)
Stockholders' Equity:
Common stock, $0.01 par value; 200,000,000 shares authorized; 89,576,403 shares issued and 96,998,075 shares issued, respectively	896	970
Additional paid-in capital	2,171,885	902,584
Retained earnings	485,862	458,943
Accumulated other comprehensive (loss) income	(20,002)	(52,882)
Treasury stock, at cost; 5,545,511 shares and 7,019,384 shares, respectively	(142,580)	(87,676)
Total stockholders' equity	2,496,061	1,221,939
Total liabilities and stockholders' equity	23,220,372	11,905,326
Commercial real estate loans
ASSETS
Total loans and leases	10,012,094	5,716,114
Commercial loans and leases
ASSETS
Total loans and leases	3,947,363	2,506,664
Consumer loans
ASSETS
Total loans and leases	$ 4,070,095	$ 1,556,510