Capital Stock (Details Textuals) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Class of Stock [Line Items]
Common Stock, Shares Authorized	150,000,000	150,000,000
Net Income Loss Allocated To Restricted Shares	$ 307	$ 125	$ 287
Pre October 2006 Stock Plan [Member]
Class of Stock [Line Items]
Total Stock Shares Authorized	20,000,000
Common Stock, Shares Authorized	19,000,000
Preferred Stock, Shares Authorized	1,000,000
Post October 2006 Stock Plan [Member]
Class of Stock [Line Items]
Total Stock Shares Authorized	150,000,000
Common Stock, Shares Authorized	140,000,000
Preferred Stock, Shares Authorized	10,000,000
Stock Plan Amendement Date	Oct. 01, 2006