CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Operating Activities
Net income/(loss)		$ 103,405	$ 94,994
Adjustments to reconcile net income/(loss) to net cash provided/(used) by operating activities:
Provision/(provision credit) for loan losses		9,000	(1,000)
Provision/(benefit) for deferred income taxes		7,238	20,309
Depreciation and amortization of premises and equipment		11,400	11,978
Amortization of intangible assets		6,217	6,474
Net other amortization and accretion		1,257	(1,613)
Net (increase)/decrease in derivatives		(51,821)	(14,549)
Fair value adjustment on interest-only strips		1,258	(1,592)
(Gains)/losses and write-downs on OREO, net		(290)	216
Litigation and regulatory matters		0	671
Stock-based compensation expense		5,432	5,906
Equity securities (gains)/losses, net		(31)	(34)
Debt securities (gains)/losses, net		0	(52)
Net (gains)/losses on sale/disposal of fixed assets		(42)	(3,202)
(Gain)/loss on BOLI		(1,032)	0
Loans held-for-sale:
Purchases and originations		(513,788)	(574,735)
Gross proceeds from settlements and sales		135,855	152,209
(Gain)/loss due to fair value adjustments and other		19,291	3,651
Net (increase)/decrease in:
Trading securities		192,101	(9,843)
Fixed income receivables		(7,921)	(25,343)
Interest receivable		(5,970)	(2,990)
Other assets		56,984	44,468
Net increase/(decrease) in:
Trading liabilities		94,289	188,847
Fixed income payables		90,718	(42,829)
Interest payable		16,570	10,030
Other liabilities		(47,631)	(66,349)
Total adjustments		19,084	(299,372)
Net cash provided/(used) by operating activities		122,489	(204,378)
Available-for-sale securities:
Sales		13,012	13,104
Maturities		157,502	152,800
Purchases		(83,512)	(159,951)
Premises and equipment:
Sales		4,080	2,619
Purchases		(6,995)	(18,020)
Proceeds from sales of OREO		3,791	10,527
Proceeds from BOLI		3,208	494
Net (increase)/decrease in:
Loans		(448,321)
Loans			418,174
Interests retained from securitizations classified as trading securities		148	241
Interest-bearing cash		264,357	876,249
Cash paid related to divestitures		0	(27,599)
Cash paid/(received) for acquisitions, net		0	(18)
Net cash provided/(used) by investing activities		(92,730)	1,268,620
Common stock:
Stock options exercised		520	4,327
Cash dividends paid		(38,759)	(21,353)
Repurchase of shares (a)	[1]	(53,436)	(2,184)
Cash dividends paid - preferred stock - noncontrolling interest		(2,883)	(2,883)
Cash dividends paid - Series A preferred stock		(1,550)	(1,550)
Term borrowings:
Payments/maturities		(1,179)	(2,625)
Increases in restricted and secured term borrowings		3,120	159
Net increase/(decrease) in:
Deposits		(220,104)	228,478
Short-term borrowings		92,057
Short-term borrowings			(1,285,626)
Net cash provided/(used) by financing activities		(222,214)	(1,083,257)
Net increase/(decrease) in cash and cash equivalents		(192,455)	(19,015)
Cash and cash equivalents at beginning of period		1,405,325	1,452,046
Cash and cash equivalents at end of period		1,212,870	1,433,031
Supplemental Disclosures
Total interest paid		88,774	51,418
Total taxes paid		1,008	4,066
Total taxes refunded		27,522	90
Transfer from loans to OREO		1,607	3,076
Transfer from loans HFS to trading securities		$ 425,808	$ 333,483

[1] 2019 includes $51.5 million repurchased under share repurchase programs.