CONSOLIDATED STATEMENTS OF CONDITION - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets:
Cash and due from banks	$ 495,915	$ 491,065
Money market investments:
Time deposits with other banks	11,568,677	11,640,880
Total money market investments	11,568,677	11,640,880
Trading account debt securities, at fair value:
Pledged securities with creditors' right to repledge	239	241
Other trading account debt securities	36,265	36,433
Debt securities available-for-sale, at fair value:
Pledged securities with creditors' right to repledge	88,668	125,819
Other debt securities available-for-sale	22,682,941	21,435,333
Debt securities held-to-maturity, at amortized cost (fair value 2021 - $92,643; 2020 - $94,891)	89,725	92,621
Less - Allowance for credit losses	10,096	10,261
Debt securities held-to-maturity, net	79,629	82,360
Equity securities (realizable value 2021 - $179,000; 2020 - $173,929)	178,650	173,737
Loans held-for-sale, at lower of cost or fair value	84,214	99,455
Loans held-in-portfolio	29,344,620	29,588,430
Less - Unearned income	212,992	203,234
Allowance for credit losses	800,797	896,250
Total loans held-in-portfolio, net	28,330,831	28,488,946
Premises and equipment, net	508,023	510,241
Other real estate	72,060	83,146
Accrued income receivable	215,993	209,320
Mortgage servicing assets, at fair value	122,543	118,395
Other assets	1,713,083	1,737,041
Goodwill	671,122	671,122
Other intangible assets	21,415	22,466
Total assets	66,870,268	65,926,000
Deposits:
Non-interest bearing	14,263,548	13,128,699
Interest bearing	44,479,253	43,737,641
Total deposits	58,742,801	56,866,340
Assets sold under agreements to repurchase	86,834	121,303
Notes payable	1,224,230	1,224,981
Other liabilities	918,844	1,684,689
Total liabilities	60,972,709	59,897,313
Commitments and contingencies
Stockholders' equity:
Preferred stock, 30,000,000 shares authorized; 885,726 shares issued and outstanding (2020 - 885,726)	22,143	22,143
Common stock, $0.01 par value; 170,000,000 shares authorized;104,529,277 shares issued (2020 - 104,508,290) and 84,379,180 shares outstanding (2020 - 84,244,235)	1,045	1,045
Surplus	4,571,919	4,571,534
Retained earnings	2,489,453	2,260,928
Treasury stock - at cost, 20,150,097 shares (2020 - 20,264,055)	(1,012,263)	(1,016,954)
Accumulated other comprehensive (loss) income, net of tax	(174,738)	189,991
Total stockholders' equity	5,897,559	6,028,687
Total liabilities and stockholders' equity	$ 66,870,268	$ 65,926,000