Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Assets
Cash and due from banks	$ 190,868	$ 258,588
Short-term interest-bearing deposits	1,186,510	1,805,555
Interest-bearing deposits	858	1,039
Investment securities:
Available for sale	6,741,573	6,372,463
Held to maturity, net of allowance for credit losses of $10 and $10, and fair value of $1,539 and $1,700, as of March 31, 2026 and December 31, 2025, respectively	1,528	1,689
Equity	48,174	48,200
Total investment securities	6,791,275	6,422,352
Loans held for investment	11,532,570	11,434,605
Less allowance for credit losses	(149,889)	(149,674)
Net loans	11,382,681	11,284,931
Loans held for sale	29,457	54,119
Land, buildings, and equipment, net	221,577	215,931
Deferred tax assets, net	20,584	0
Goodwill and intangibles	350,859	351,664
Other assets	281,702	357,799
Total assets	20,456,371	20,751,978
Deposits:
Noninterest-bearing demand	5,563,373	5,615,652
Savings and interest-bearing demand	8,284,962	8,611,895
Time	1,617,106	1,635,078
Total deposits	15,465,441	15,862,625
Federal funds purchased and customer repurchase agreements	1,066,923	1,011,851
Total customer funds	16,532,364	16,874,476
Deferred tax liabilities, net	0	11,745
Other liabilities	125,681	81,780
Total liabilities	16,658,045	16,968,001
Stockholders' equity:
Preferred stock, $0.01 par value; 50,000,000 shares authorized; 0 shares issued as of March 31, 2026 and December 31, 2025	0	0
Capital surplus	420,427	419,421
Retained earnings	3,559,565	3,477,408
Accumulated other comprehensive (loss)	(54,051)	(16,872)
Total stockholders' equity before treasury stock	3,929,123	3,883,139
Less treasury stock of 78,460,508 and 77,141,300 shares of Class A voting common stock as of March 31, 2026 and December 31, 2025, respectively	(130,797)	(99,162)
Total stockholders' equity	3,798,326	3,783,977
Total liabilities and stockholders' equity	20,456,371	20,751,978
Common Class A
Stockholders' equity:
Class A voting common stock, $0.01 par value; 500,000,000 shares authorized; 318,247,550 shares issued as of March 31, 2026 and December 31, 2025	3,182	3,182
Common Class B
Stockholders' equity:
Class A voting common stock, $0.01 par value; 500,000,000 shares authorized; 318,247,550 shares issued as of March 31, 2026 and December 31, 2025	$ 0	$ 0