Share-Based Compensation (Narrative) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($) shares	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) shares	Jun. 30, 2014 USD ($)	May. 07, 2015 shares	May. 31, 2012 shares	May. 31, 2005 shares
Nonemployee director annual stock grants | shares	20,000		15,000
Stock or Unit Option Plan Expense	$ 233	$ 223	$ 1,697	$ 1,573
Combined share-based compensation expense for 2005 Plan and 1997 Plan			1,697	$ 1,573
Unrecognized compensation cost	$ 898		$ 898
2012 Plan [Member]
Shares available for grants | shares	305,000		305,000		3,000,000	1,500,000
Stock Option Plan, Award Vesting Period			5 years
Common stock on date granted term period, years			10
2005 Plan [Member]
Shares available for grants | shares							1,500,000
Stock Option Plan, Award Vesting Period			10 years
Common stock on date granted term period, years			10
Expected To Be Recognized During 2015 [Member]
Unrecognized compensation cost	$ 466		$ 466
Expected To Be Recognized During 2016 [Member]
Unrecognized compensation cost	386		386
Expected To Be Recognized During 2017 [Member]
Unrecognized compensation cost	$ 46		$ 46