CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Issuance of shares of common stock pursuant to various stock compensation plans and agreements, shares	323,737	336,031	1,024,925
Issuance of shares pursuant to Director retainer fee, shares	19,998	26,151	27,831
Cancellation of common stock due to forfeitures of issued restricted stock, shares	65,686	190,634	240,193
Restricted stock surrendered due to employee tax liability, shares	508,518	137,258	29,610
Purchase of treasury stock pursuant to the Stock Repurchase Program, shares	8,026,807	9,068,105
Repurchase of common stock warrants			1,517,555
Preferred stock, Series A, non-cumulative convertible
Conversion of Series preferred stock, shares	85,710		31
Converted shares of common stock, shares	5,594,080		2,014