Consolidated Statements of Income and Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Interest Income:
Mortgage and other loans	$ 368,456	$ 361,330	$ 724,373	$ 719,732
Securities and money market investments	48,876	37,745	97,284	78,462
Total interest income	417,332	399,075	821,657	798,194
Interest Expense:
Interest-bearing checking and money market accounts	40,380	24,084	74,749	43,793
Savings accounts	6,630	7,150	13,851	13,960
Certificates of deposit	39,534	24,006	70,049	46,137
Borrowed funds	66,833	56,066	128,755	111,618
Total interest expense	153,377	111,306	287,404	215,508
Net interest income	263,955	287,769	534,253	582,686
Net interest income after provision for (recovery of) loan losses	259,241	294,030	519,968	592,955
Non-Interest Income:
Bank-owned life insurance	6,318	6,519	13,122	12,856
Mortgage banking income		8,196		17,960
Net (loss) gain on securities	(303)	26,936	(769)	28,915
FDIC indemnification expense		(14,325)		(18,961)
Other	9,199	14,960	18,391	25,828
Total non-interest income	22,706	50,437	45,563	82,609
Operating expenses:
Compensation and benefits	80,314	93,512	164,289	189,718
Occupancy and equipment	25,026	23,403	49,910	48,462
General and administrative	32,802	46,820	63,050	92,344
Total operating expenses	138,142	163,735	277,249	330,524
Amortization of core deposit intangibles		30		184
Total non-interest expense	138,142	163,765	277,249	330,708
Income before income taxes	143,805	180,702	288,282	344,856
Income tax expense	36,451	65,447	74,376	125,644
Net (Loss) income	107,354	115,255	213,906	219,212
Preferred stock dividends	8,207	8,207	16,414	8,207
Net income available to common shareholders	$ 99,147	$ 107,048	$ 197,492	$ 211,005
Basic earnings per common share	$ 0.20	$ 0.22	$ 0.40	$ 0.43
Diluted earnings per common share	$ 0.20	$ 0.22	$ 0.40	$ 0.43
Net income	$ 107,354	$ 115,255	$ 213,906	$ 219,212
Other comprehensive (loss) income, net of tax:
Change in net unrealized gain/loss on securities available for sale, net of tax of $7,111; $(38,189); $31,718; and $(38,542), respectively	(17,119)	53,538	(48,257)	54,033
Change in the non-credit portion of OTTI losses recognized in other comprehensive income, net of tax of $0; $0; $(821); and $(13), respectively		1	(821)	20
Change in pension and post-retirement obligations, net of tax of $(547); $(869); $(11,064) and $(1,741), respectively	1,313	1,219	(7,343)	2,437
Less: Reclassification adjustment for sales of available-for-sale securities, net of tax of $770				(1,078)
Total other comprehensive (loss) income, net of tax	(15,806)	54,758	(56,421)	55,412
Total comprehensive income, net of tax	91,548	170,013	157,485	274,624
Fee Income
Non-Interest Income:
Fee income	7,492	8,151	14,819	16,011
Non-Covered Loans
Interest Expense:
Provision for (recovery of) losses	$ 4,714	11,645	$ 14,285	13,432	[1]
Covered Loans
Interest Expense:
Provision for (recovery of) losses		$ (17,906)		$ (23,701)

[1] Represents allowance for losses on non-covered loans, excluding PCI loans.