Consolidated Statements of Financial Condition (Unaudited) (Parenthetical) (USD $) In Thousands, except Share data	Sep. 30, 2011	Dec. 31, 2010
Securities:
Net of allowance for loan losses	$ 44,162	$ 50,883
Shareholders' Equity:
Preferred stock, par value
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued
Common stock, par value
Common stock, shares authorized	499,000,000	499,000,000
Common stock, shares issued	37,804,457	37,804,457
Common stock, shares outstanding	30,984,344	30,937,704
Treasury stock, shares	6,820,113	6,866,753