Consolidated Statements of Financial Condition (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
ASSETS
Cash and due from banks	$ 779,147		$ 454,302
Money Market Investments [Abstract]
Time deposits with other financial institutions	300		300
Other short-term investments	16,661		201,069
Total money market investments	16,961		201,369
Investment securities available for sale, at fair value:
Securities pledged that can be repledged	1,025,966		1,042,482
Other investment securities	939,700		935,800
Total investment securities available for sale	1,965,666		1,978,282
Other equity securities	25,752		28,691
Investment in unconsolidated entities	0		7,279
Loans, net of allowance for loan and lease losses of $285,858 (2012-$435,414)	9,040,041		9,350,312
Loans held for sale, at lower of cost or market	76,956		75,969
Total loans, net	9,116,997		9,426,281
Premises and equipment, net	166,926		166,946
Other real estate owned	124,003		160,193
Accrued interest receivable on loans and investments	50,796		54,012
Other assets	481,587		179,570
Total assets	12,727,835		12,656,925
LIABILITIES
Non-interest-bearing deposits	900,616		851,212
Interest-bearing deposits	8,583,329		9,028,712
Total deposits	9,483,945		9,879,924
Securities Sold Under Agreements To Repurchase	900,000	[1]	900,000	[1]
Advances from the Federal Home Loan Bank (FHLB)	325,000		300,000
Other borrowings	231,959		231,959
Accounts payable and other liabilities	115,188		129,184
Total liabilities	11,056,092		11,441,067
Preferred stock, authorized 50,000,000 shares:
Non-cumulative Perpetual Monthly Income Preferred Stock: issued-22,004,000 shares, outstanding-2,521,872 shares, aggregate liquidation value of $63,047	36,104		63,047
Common stock, $0.10 par value, authorized, 2,000,000,000 shares; issued, 207,635,157 shares (2012 - 206,730,318 shares issued)	21,372		20,764
Less: Treasury stock (at par value)	(74)		(57)
Common stock outstanding, 207,068,978 shares outstanding (2012 - 206,235,465 shares outstanding)	21,298		20,707
Additional paid-in capital	916,067		888,161
Retained earnings	716,625		322,679
Accumulated other comprehensive income, net of tax expense of $7,755 (2012 - $7,749)	(18,351)		(78,736)
Total stockholders' equity	1,671,743		1,215,858
Total liabilities and stockholders' equity	$ 12,727,835		$ 12,656,925

[1] As of December 31, 2014, includes $800 million with an average rate of 3.30%, and that lenders have the right to call before their contractual maturitiesat various dates beginning on January 9, 2015. Subsequent to December 31, 2014, no lender has exercised its call option on repurchase agreements.In addition, $500 million of the $900 million is tied to variable rates.