Equity Warrants to Purchase Common Stock (Details)	12 Months Ended
	Dec. 31, 2015 $ / shares shares	[1]
Class of Warrant or Right [Line Items]
Class of Warrant or Right, Outstanding	2,887,500,000
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right	1.08	[2]
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares	$ 7.411	[2]
Class of Warrant or Right, Date from which Warrants or Rights Exercisable	Nov. 21, 2008
Class of Warrant or Right, Date until which Warrants or Rights Exercisable	Nov. 21, 2018

[1] The TARP warrants, while initially issued to the Treasury, were purchased from the Treasury by unrelated third parties at a market rate.

[2] Per the terms of the TARP warrants agreement, the exercise price and number of shares issuable upon exercise may be adjusted ratably for dividends paid on the Company’s common stock that exceed the dividend rate at the time the warrants were issued, at which time the Company paid quarterly dividends of $0.01 per share. The current warrant share number and current exercise price of the warrant reflect the warrant as adjusted for common stock dividends through February 10, 2016, the latest dividend record date prior to the filing of this Annual Report.