Consolidated Balance Sheets - USD ($) $ in Thousands		Jun. 30, 2019	Dec. 31, 2018
Assets
Cash and due from banks		$ 382,985	$ 507,187
Interest-bearing deposits in other financial institutions		172,708	221,226
Federal funds sold and securities purchased under agreements to resell		1,385	148,285
Investment securities held to maturity, at amortized cost		2,806,064	2,740,511
Investment securities available for sale, at fair value		3,283,456	3,946,941
Equity securities		15,066	1,568
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost		202,758	250,534
Loans	[1]	23,249,967	22,940,429
Allowance for loan losses		(233,659)	(238,023)
Loans, net		23,016,308	22,702,406
Bank and corporate owned life insurance		668,638	663,203
Investment in unconsolidated subsidiaries		222,812	161,181
Premises and equipment, net(a)	[2]	432,058	363,225
Goodwill		1,176,019	1,169,023
Mortgage servicing rights, net		66,175	68,193
Other intangible assets, net		93,915	75,836
Other assets(a)	[2]	591,976	549,274
Total assets		33,272,628	33,647,859
Liabilities and Stockholders' Equity
Noninterest-bearing demand deposits		5,354,987	5,698,530
Interest-bearing deposits		19,919,235	19,198,863
Total deposits		25,274,222	24,897,393
Federal funds purchased and securities sold under agreements to repurchase		83,195	111,651
Commercial paper		28,787	45,423
FHLB advances		2,742,941	3,574,371
Other long-term funding		796,403	795,611
Accrued expenses and other liabilities		447,286	442,522
Total liabilities		29,372,835	29,866,971
Stockholders’ Equity
Preferred equity		256,716	256,716
Common stock		1,752	1,752
Surplus		1,695,715	1,712,615
Retained earnings		2,288,909	2,181,414
Accumulated other comprehensive income (loss)		(59,063)	(124,972)
Treasury stock, at cost		(284,235)	(246,638)
Total common equity		3,643,077	3,524,171
Total stockholders’ equity		3,899,794	3,780,888
Total liabilities and stockholders’ equity		$ 33,272,628	$ 33,647,859
Preferred shares issued		264,458	264,458
Preferred shares authorized (par value $1.00 per share)		750,000	750,000
Common shares issued		175,216,409	175,216,409
Common shares authorized (par value $0.01 per share)		250,000,000	250,000,000
Treasury shares of common stock		12,554,448	10,775,938
Residential loans held for sale
Assets
Loans Receivable Held-for-sale, Amount		$ 129,303	$ 64,321
Loans		8,277,479	8,277,712
Commercial loans held for sale
Assets
Loans Receivable Held-for-sale, Amount		11,000	14,943
Loans		$ 13,696,210	$ 13,405,072

[1] (a) Includes $2 million and $5 million of purchased credit-impaired loans at June 30, 2019 and December 31, 2018, respectively.

[2] (a) During the second quarter of 2019, the Corporation reclassified operating leases from Other Assets to Premises and Equipment.