Stock-Based Compensation (Narrative) (Details) - Director [Member] - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation grant	79,954
Stock awards that vested immediately	$ 0.8	$ 0.8	$ 0.8	$ 0.8
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation grant	22,844