Shareholder-Designated Contribution Plan	6 Months Ended
Jun. 30, 2013
Shareholder-Designated Contribution Plan [Abstract]
Shareholder-Designated Contribution Plan [Text Block]	K. Shareholder-Designated Contribution Plan During the first quarter of 2013, the Company recorded a charge of $5.0 million, or $0.11 per diluted share, net of management fee and tax benefit, related to a newly-adopted Shareholder Designated Charitable Contribution program. Under the program, each shareholder will be eligible to designate a charity to which the company will make a donation based upon the actual number of shares registered in the shareholder's name. Shares held in nominee or street name are not eligible to participate. The Board of Directors will determine, annually, amounts to be contributed per registered share. The Board approved an initial contribution for 2013 of $0.25 per registered share. The Company recorded the initial $5.0 million charge, which is included in accrued expenses and other liabilities in the condensed consolidated statements of financial condition, based on the number of registered shares at the adoption of the program. Based upon the number of share registered as of the record date of July 31, 2013, the total charge to earnings would increase to $5.3 million, if all participants respond on a timely basis.

K. Shareholder-Designated Contribution Plan

During the first quarter of 2013, the Company recorded a charge of $5.0 million, or $0.11 per diluted share, net of management fee and tax benefit, related to a newly-adopted Shareholder Designated Charitable Contribution program. Under the program, each shareholder will be eligible to designate a charity to which the company will make a donation based upon the actual number of shares registered in the shareholder's name. Shares held in nominee or street name are not eligible to participate. The Board of Directors will determine, annually, amounts to be contributed per registered share. The Board approved an initial contribution for 2013 of $0.25 per registered share. The Company recorded the initial $5.0 million charge, which is included in accrued expenses and other liabilities in the condensed consolidated statements of financial condition, based on the number of registered shares at the adoption of the program. Based upon the number of share registered as of the record date of July 31, 2013, the total charge to earnings would increase to $5.3 million, if all participants respond on a timely basis.