Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Assets
Cash and due from banks	$ 266,400	$ 284,567
Federal funds sold and interest-bearing deposits in banks	1,754,453	833,565
Cash and cash equivalents	2,020,853	1,118,132
Debt securities available-for-sale, at fair value, net of allowance for credit losses of $82 and $75	1,496,836	1,500,060
Debt securities held-to-maturity, at amortized cost, net of allowance for credit losses of $— and $— (fair value of $116,093 and $114,538)	134,175	134,864
Other investments	146,715	110,992
Loans held for sale, at fair value	395,096	392,078
Loans, net of unearned income	19,997,871	19,855,253
Allowance for credit losses	(242,658)	(205,677)
Loans, net	19,755,213	19,649,576
Other real estate owned, net	1,502	843
Premises and equipment, net	218,878	220,283
Goodwill	1,015,646	1,015,646
Other intangible assets, net	101,488	106,194
Cash value of bank owned life insurance	389,201	388,405
Other assets	412,781	416,213
Total assets	26,088,384	25,053,286
Deposits:
Noninterest-bearing	7,297,893	7,929,579
Interest-bearing	12,599,562	11,533,159
Total deposits	19,897,455	19,462,738
Other borrowings	2,401,327	1,875,736
Subordinated deferrable interest debentures	128,820	128,322
Other liabilities	407,587	389,090
Total liabilities	22,835,189	21,855,886
Commitments and Contingencies (Note 8)
Shareholders’ Equity
Preferred stock, stated value $1,000; 5,000,000 shares authorized; 0 shares issued and outstanding	0	0
Common stock, par value $1; 200,000,000 shares authorized; 72,484,210 and 72,263,727 shares issued	72,484	72,264
Capital surplus	1,937,664	1,935,211
Retained earnings	1,362,512	1,311,258
Accumulated other comprehensive income, net of tax	(35,581)	(46,507)
Treasury stock, at cost, 3,110,347 and 2,894,677 shares	(83,884)	(74,826)
Total shareholders’ equity	3,253,195	3,197,400
Total liabilities and shareholders’ equity	$ 26,088,384	$ 25,053,286