Participation in US Treasury Capital Purchase Program	12 Months Ended
Dec. 31, 2014
Participation in U.S. Treasury Capital Purchase Program [Abstract]
Participation in U.S. Treasury Capital Purchase Program	Note 3. Participation in U.S. Treasury Capital Purchase Program (CPP) On December 12, 2008, Pinnacle Financial issued 95,000 shares of preferred stock to the U.S. Treasury (the Treasury) for $95 million pursuant to the CPP. For the time the CPP preferred stock was outstanding, the CPP preferred stock was non-voting, other than having class voting rights on certain matters, and paid cumulative dividends quarterly at a rate of 5% per annum. Pinnacle Financial redeemed the preferred shares issued to the Treasury under the CPP in two transactions. During the fourth quarter of 2011, Pinnacle Financial redeemed 23,750 of the preferred shares in a transaction totaling approximately $23.9 million, including accrued but unpaid dividends of $142,000. During the second quarter of 2012, Pinnacle Financial completed the redemption of the remaining 71,250 preferred shares outstanding in a transaction totaling $71.6 million which included accrued but unpaid dividends of $346,000. Concurrently, Pinnacle Financial accelerated the accretion of the remaining preferred stock discount of approximately $1.7 million during the second quarter of 2012. Additionally, Pinnacle Financial issued warrants to purchase 534,910 shares of common stock to the Treasury as a condition to its participation in the CPP. The warrants had an exercise price of $26.64 each, were immediately exercisable and expired 10 years from the date of issuance. On June 16, 2009, Pinnacle Financial completed the sale of 8,855,000 shares of its common stock in a public offering, resulting in net proceeds to Pinnacle Financial of approximately $109 million. As a result, and pursuant to the terms of the warrants, the number of shares issuable upon exercise of the warrants was reduced by 50%, or 267,455 shares. During the third quarter of 2012, Pinnacle Financial repurchased all of the remaining outstanding warrants held by the Treasury for $755,000.

Note 3. Participation in U.S. Treasury Capital Purchase Program (CPP)

On December 12, 2008, Pinnacle Financial issued 95,000 shares of preferred stock to the U.S. Treasury (the Treasury) for $95 million pursuant to the CPP. For the time the CPP preferred stock was outstanding, the CPP preferred stock was non-voting, other than having class voting rights on certain matters, and paid cumulative dividends quarterly at a rate of 5% per annum. Pinnacle Financial redeemed the preferred shares issued to the Treasury under the CPP in two transactions. During the fourth quarter of 2011, Pinnacle Financial redeemed 23,750 of the preferred shares in a transaction totaling approximately $23.9 million, including accrued but unpaid dividends of $142,000. During the second quarter of 2012, Pinnacle Financial completed the redemption of the remaining 71,250 preferred shares outstanding in a transaction totaling $71.6 million which included accrued but unpaid dividends of $346,000. Concurrently, Pinnacle Financial accelerated the accretion of the remaining preferred stock discount of approximately $1.7 million during the second quarter of 2012.

Additionally, Pinnacle Financial issued warrants to purchase 534,910 shares of common stock to the Treasury as a condition to its participation in the CPP. The warrants had an exercise price of $26.64 each, were immediately exercisable and expired 10 years from the date of issuance. On June 16, 2009, Pinnacle Financial completed the sale of 8,855,000 shares of its common stock in a public offering, resulting in net proceeds to Pinnacle Financial of approximately $109 million. As a result, and pursuant to the terms of the warrants, the number of shares issuable upon exercise of the warrants was reduced by 50%, or 267,455 shares. During the third quarter of 2012, Pinnacle Financial repurchased all of the remaining outstanding warrants held by the Treasury for $755,000.