Condensed Consolidated Statement Of Changes In Shareholder's Equity (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Exercise of stock options, shares tendered in payment of exercise price	224,601	187,542	58,474
Issuance of common stock in private equity offering, expenses	$ 122
Issuance of restricted stock grants, shares forfeited	2,500
Preferred Stock
Underwriting discount and expenses	$ 6,383