Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Assets
Cash and due from banks	$ 257,316	$ 307,813
Federal funds sold and interest-bearing deposits in banks	3,541,144	3,756,844
Cash and cash equivalents	3,798,460	4,064,657
Debt securities available-for-sale, at fair value	579,204	592,621
Debt securities held-to-maturity, at amortized cost, net of allowance for credit losses of $— and $— (fair value of $82,489 and $78,206)	91,454	79,850
Other investments	49,395	47,552
Loans held for sale, at fair value	901,550	1,254,632
Loans, net of unearned income	16,143,801	15,874,258
Allowance for credit losses	(161,251)	(167,582)
Loans, net	15,982,550	15,706,676
Other real estate owned, net	1,910	3,810
Premises and equipment, net	224,293	225,400
Goodwill	1,022,345	1,012,620
Other intangible assets, net	120,757	125,938
Cash value of bank owned life insurance	332,914	331,146
Other assets	455,460	413,419
Total assets	23,560,292	23,858,321
Deposits:
Noninterest-bearing	7,870,207	7,774,823
Interest-bearing	11,718,234	11,890,730
Total deposits	19,588,441	19,665,553
Securities sold under agreements to repurchase	2,065	5,845
Other borrowings	425,520	739,879
Subordinated deferrable interest debentures	126,827	126,328
Other liabilities	410,280	354,265
Total liabilities	20,553,133	20,891,870
Commitments and Contingencies
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; 72,212,322 and 72,017,126 shares issued	72,212	72,017
Capital surplus	1,928,702	1,924,813
Retained earnings	1,077,725	1,006,436
Accumulated other comprehensive income, net of tax	(1,841)	15,590
Treasury stock, at cost, 2,773,238 and 2,407,898 shares	(69,639)	(52,405)
Total shareholders’ equity	3,007,159	2,966,451
Total liabilities and shareholders’ equity	$ 23,560,292	$ 23,858,321