Stockholders' Equity (Narrative) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended							12 Months Ended	1 Months Ended	12 Months Ended					1 Months Ended	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012 Common Stock [Member]	Dec. 31, 2011 Common Stock [Member]	Dec. 31, 2010 Common Stock [Member]	Dec. 31, 2012 Preferred Stock [Member]	Dec. 31, 2011 Preferred Stock [Member]	Dec. 31, 2012 Common Stock Dividend Per Quarter [Member]	May 31, 2011 May 2011 Share Repurchase Program [Member] Common Stock [Member]	Dec. 31, 2012 May 2011 Share Repurchase Program [Member] Common Stock [Member]	Dec. 31, 2011 May 2011 Share Repurchase Program [Member] Common Stock [Member]	Dec. 31, 2010 Fiscal 2008 Share Repurchase Program [Member] Common Stock [Member]	Dec. 31, 2008 Fiscal 2008 Share Repurchase Program [Member] Common Stock [Member]	Dec. 31, 2012 Fiscal 2008 Share Repurchase Program [Member] Common Stock [Member]	Feb. 28, 2013 Subsequent Event [Member] Common Stock Dividend Per Quarter [Member]	Dec. 31, 2012 Subsequent Event [Member] Common Stock Dividend Per Quarter [Member]
Class of Stock [Line Items]
Common Stock, Shares Authorized			20,000,000	20,000,000
Common Stock, Shares, Issued			11,115,779	11,115,779
Common Stock, Par or Stated Value Per Share			$ 0.01
Subsequent Event, Date																Feb. 28, 2013
Common Stock, Dividends, Per Share, Declared			$ 0.10					$ 0.025							$ 0.03
Preferred Stock, Shares Authorized						5,000,000	5,000,000
Preferred Stock, Shares Issued						0
Preferred Stock, No Par Value						$ 0.00
Stock Repurchase Program, Authorized Amount									$ 25,000				$ 40,000
Treasury Stock, Shares, Acquired	278,655	493		278,655						0	278,655	0
Payments for Repurchase of Common Stock	6,480	17									6,480
Stock Repurchase Program, Period in Force										1 year
Stock Repurchase Program Period End Date														Dec. 31, 2010
Dividends, Common Stock, Cash			$ 1,029	$ 1,022	$ 0