Stock-Based Compensation (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized under 2006 Equity Plan	1,081,260
Common shares authorized under the 2006 Equity Plan	800,000
Unrecognized stock-based compensation expense related to unvested awards, amount	$ 2,000,000
Unrecognized stock-based compensation expense related to unvested awards, weighted-average period of recognition	1 year 11 months
Common shares issued under Board of Directors' compensation plan	$ (134,000)	$ (207,000)	$ 179,000
Allocated Share-based Compensation Expense	1,843,000	$ 2,111,000	1,362,000
Unrestricted Stock Granted to Employees		12,030
Stock-based compensation expense	1,843,000	$ 2,111,000	1,362,000
Treasury Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common shares issued under Board of Directors' compensation plan	$ (177,000)	(221,000)	$ 213,000
Stock-based compensation expense		$ 298,000