CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Assets
Cash and due from banks	$ 53,683	$ 63,382
Short-term investments	20,648	34,862
Total cash and cash equivalents	74,331	98,244
Trading security	16,485	16,893
Securities available for sale, at fair value	558,875	466,169
Securities held to maturity (fair values of $51,634 and $52,490)	50,472	51,024
Federal Home Loan Bank stock and other restricted securities	37,870	39,785
Total securities	663,702	573,871
Loans held for sale	72,348	85,368
Residential mortgages	1,234,616	1,324,251
Commercial mortgages	1,397,142	1,413,544
Commercial business loans	618,342	600,126
Consumer loans	638,972	650,733
Total loans	3,889,072	3,988,654
Less: Allowance for loan losses	(33,263)	(33,208)
Net loans	3,855,809	3,955,446
Premises and equipment, net	88,181	86,461
Other real estate owned	2,513	1,929
Goodwill	255,529	255,199
Other intangible assets	17,682	19,059
Cash surrender value of bank-owned life insurance policies	88,893	88,198
Deferred tax assets, net	56,581	57,729
Other assets	69,765	75,305
Total assets	5,245,334	5,296,809
Liabilities
Demand deposits	656,706	673,921
NOW deposits	374,721	379,880
Money market deposits	1,504,092	1,439,632
Savings deposits	451,959	436,387
Time deposits	1,113,113	1,170,589
Total deposits	4,100,591	4,100,409
Short-term debt	114,390	163,150
Long-term Federal Home Loan Bank advances	195,208	195,321
Subordinated notes	89,632	89,617
Total borrowings	399,230	448,088
Other liabilities	71,631	81,047
Total liabilities	4,571,452	4,629,544
Stockholders' equity
Common stock ($.01 par value; 50,000,000 shares authorized and 26,525,466 shares issued and 25,254,448 shares outstanding in 2013; 26,525,466 shares issued and 25,148,522 shares outstanding in 2012)	265	265
Additional paid-in capital	585,452	585,360
Unearned compensation	(5,845)	(3,035)
Retained earnings	126,430	122,014
Accumulated other comprehensive loss	(1,671)	(2,979)
Treasury stock, at cost (1,271,018 shares in 2013 and 1,376,944 shares in 2012)	(30,749)	(34,360)
Total stockholders' equity	673,882	667,265
Total liabilities and stockholders' equity	$ 5,245,334	$ 5,296,809