CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Assets
Cash and due from banks	$ 81,927	$ 98,122
Interest-earning deposits in other financial institutions	379,765	293,149
Federal funds sold and other short-term investments	634	634
Marketable securities available-for-sale (amortized cost of $1,008,975 and $1,022,078)	1,009,717	1,016,767
Marketable securities held-to-maturity (fair value of $120,933 and $124,061)	117,724	121,366
Total cash and investments	1,589,767	1,530,038
Personal Banking:
Loans held for sale		221
Residential mortgage loans	2,485,688	2,482,783
Home equity loans	1,065,988	1,083,939
Other consumer loans	223,045	228,348
Total Personal Banking	3,774,721	3,795,291
Business Banking:
Commercial real estate loans	1,664,255	1,608,399
Commercial loans	412,098	402,601
Total Business Banking	2,076,353	2,011,000
Total loans	5,851,074	5,806,291
Allowance for loan losses	(76,234)	(71,348)
Total loans, net	5,774,840	5,734,943
Federal Home Loan Bank stock, at cost	43,714	43,715
Accrued interest receivable	22,188	21,821
Real estate owned, net	16,692	18,203
Premises and equipment, net	146,880	146,139
Bank owned life insurance	141,173	140,172
Goodwill	175,988	174,463
Other intangible assets	4,025	2,319
Other assets	59,693	69,663
Total assets	7,974,960	7,881,476
Liabilities:
Noninterest-bearing demand deposits	844,743	789,135
Interest-bearing demand deposits	890,788	852,809
Money market deposit accounts	1,176,462	1,167,954
Savings deposits	1,236,130	1,191,584
Time deposits	1,626,740	1,667,397
Total deposits	5,774,863	5,668,879
Borrowed funds	865,621	881,645
Junior subordinated deferrable interest debentures held by trusts that issued guaranteed capital debt securities	103,094	103,094
Advances by borrowers for taxes and insurance	31,074	26,669
Accrued interest payable	860	888
Other liabilities	41,892	43,499
Total liabilities	6,817,404	6,724,674
Shareholders' equity:
Preferred stock, $0.01 par value: 50,000,000 authorized, no shares issued
Common stock, $0.01 par value: 500,000,000 shares authorized, 94,464,430 and 94,243,713 shares issued, respectively	945	943
Paid-in capital	622,758	619,678
Retained earnings	564,580	571,164
Unallocated common stock of Employee Stock Ownership Plan	(22,632)	(23,083)
Accumulated other comprehensive loss	(8,095)	(11,900)
Total shareholders' equity	1,157,556	1,156,802
Total liabilities and shareholders' equity	$ 7,974,960	$ 7,881,476