Trust-Preferred Securities and Debt Extinguishment	9 Months Ended
Sep. 30, 2012
Trust Preferred Securities [Abstract]
Trust-Preferred Securities and Debt Extinguishment [Text Block]	Note I – Trust-Preferred Securities and Debt Extinguishment In 2009, the Corporation commenced the deferral of interest payments on its various trust-preferred securities, as is permitted under the terms of the securities, in order to conserve cash resources. The payment of interest on those securities may be deferred for periods up to five years. During such deferral periods, Capitol is prohibited from paying dividends on its common stock (subject to certain exceptions) and is further restricted by Capitol's written agreement with the Federal Reserve Bank of Chicago, which prohibits both payment of interest on the trust-preferred securities and cash dividends without prior written approval by that agency. Accrued interest payable on such securities approximated $33.3 million and $27.6 million at September 30, 2012 and December 31, 2011, respectively. Holders of the trust-preferred securities recognize current taxable income relating to the deferred interest payments. The accrual of interest was discontinued as of the bankruptcy filing date (see Note B). On January 31, 2011, Capitol accepted for exchange 1,180,602 of the 2,530,000 outstanding shares of trust-preferred securities of Capitol Trust I and 773,934 of the 1,454,100 outstanding shares of trust-preferred securities of Capitol Trust XII and, pursuant to the related exchange offer, issued approximately 19.5 million previously-unissued shares of Capitol's common stock. This exchange resulted in the retirement of approximately $19.5 million aggregate liquidation amount of the trust-preferred securities on a combined basis and eliminated approximately $3.4 million of accrued interest payable associated with the retired securities, which collectively increased Capitol's equity and regulatory capital by $21.9 million, including a gain on the transaction of approximately $16.9 million.

Note I – Trust-Preferred Securities and Debt Extinguishment

In 2009, the Corporation commenced the deferral of interest payments on its various trust-preferred securities, as is permitted under the terms of the securities, in order to conserve cash resources. The payment of interest on those securities may be deferred for periods up to five years. During such deferral periods, Capitol is prohibited from paying dividends on its common stock (subject to certain exceptions) and is further restricted by Capitol's written agreement with the Federal Reserve Bank of Chicago, which prohibits both payment of interest on the trust-preferred securities and cash dividends without prior written approval by that agency. Accrued interest payable on such securities approximated $33.3 million and $27.6 million at September 30, 2012 and December 31, 2011, respectively. Holders of the trust-preferred securities recognize current taxable income relating to the deferred interest payments. The accrual of interest was discontinued as of the bankruptcy filing date (see Note B).

On January 31, 2011, Capitol accepted for exchange 1,180,602 of the 2,530,000 outstanding shares of trust-preferred securities of Capitol Trust I and 773,934 of the 1,454,100 outstanding shares of trust-preferred securities of Capitol Trust XII and, pursuant to the related exchange offer, issued approximately 19.5 million previously-unissued shares of Capitol's common stock. This exchange resulted in the retirement of approximately $19.5 million aggregate liquidation amount of the trust-preferred securities on a combined basis and eliminated approximately $3.4 million of accrued interest payable associated with the retired securities, which collectively increased Capitol's equity and regulatory capital by $21.9 million, including a gain on the transaction of approximately $16.9 million.