Consolidated Statements Of Changes In Stockholders' Equity (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2014
Stock-based incentive plan, shares	133	1,567
Accrued dividends		$ 801
Issuance of shares in common stock offering		15,000,000
Offering issuance costs		2,279
Series B Preferred Stock [Member]
Issuance of Preferred stock	0		480,000
Preferred stock, par value	$ 0.01		$ 0.01
Offering issuance costs			$ 631