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General
12 Months Ended
Dec. 31, 2011
General [Abstract]  
General
General
Washington Trust Bancorp, Inc. (the “Bancorp”) is a publicly-owned registered bank holding company and financial holding company.  The Bancorp owns all of the outstanding common stock of The Washington Trust Company (the “Bank”), a Rhode Island chartered commercial bank founded in 1800.  Through its subsidiaries, the Bancorp offers a complete product line of financial services including commercial, residential and consumer lending, retail and commercial deposit products, and wealth management services through its offices in Rhode Island, eastern Massachusetts and Connecticut.