CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Issuance of shares pursuant to various stock compensation plans and agreements, shares	299,964	597,232
Issuance of shares pursuant to Director retainer fee, shares	26,151	27,831
Cancellation of common stock due to forfeitures of issued restricted stock, shares	154,508	180,152
Restricted stock surrendered due to employee tax liability, shares	130,577	27,938
Repurchase of common stock warrants, shares		1,517,555
Purchase of treasury stock pursuant to the Stock Repurchase Program, shares	9,068,105
Preferred stock, Series A, non-cumulative convertible
Conversion of Series preferred stock (in shares)		31
Converted shares of common stock (in shares)		2,014