Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Assets
Cash and due from banks	$ 174,349	$ 206,680
Interest-bearing balances with banks	670,051	594,671
Cash and cash equivalents	844,400	801,351
Securities held to maturity (net of allowance for credit losses of $32 at each of March 31, 2024 and December 31, 2023) (fair value of $1,085,085 and $1,121,830, respectively)	1,199,111	1,221,464
Securities available for sale, at fair value	764,486	923,279
Loans held for sale, at fair value	191,440	179,756
Loans, net of unearned income:
Loans held for investment, net of unearned income	12,500,525	12,351,230
Allowance for credit losses on loans	(201,052)	(198,578)
Loans, net	12,299,473	12,152,652
Premises and equipment, net	282,193	283,195
Other real estate owned, net	9,142	9,622
Goodwill	991,665	991,665
Other intangible assets, net	17,583	18,795
Bank-owned life insurance	385,186	382,584
Mortgage servicing rights	71,596	91,688
Other assets	289,466	304,484
Total assets	17,345,741	17,360,535
Deposits
Noninterest-bearing	3,516,164	3,583,675
Interest-bearing	10,720,999	10,493,110
Total deposits	14,237,163	14,076,785
Short-term borrowings	108,121	307,577
Long-term debt	428,047	429,400
Other liabilities	250,060	249,390
Total liabilities	15,023,391	15,063,152
Shareholders’ equity
Preferred stock, $0.01 par value – 5,000,000 shares authorized; no shares issued and outstanding	0	0
Common stock, $5.00 par value – 150,000,000 shares authorized; 59,296,725 shares issued; 56,304,860 and 56,142,207 shares outstanding, respectively	296,483	296,483
Treasury stock, at cost – 2,991,865 and 3,154,518 shares, respectively	(99,683)	(105,249)
Additional paid-in capital	1,303,613	1,308,281
Retained earnings	978,880	952,124
Accumulated other comprehensive loss, net of taxes	(156,943)	(154,256)
Total shareholders’ equity	2,322,350	2,297,383
Total liabilities and shareholders’ equity	$ 17,345,741	$ 17,360,535