Stock-Based Compensation and Other Employee Benefit Plans (Schedule of Activity, Stock Options) (Details) - USD ($) $ / shares in Units, $ in Millions				3 Months Ended
		Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2015
Weighted Average Remaining Contractual Life and Aggregate Intrinsic Value
Options outstanding, vested, weighted average remaining contractual life (in years)		1 year 2 months 16 days	1 year 3 months 15 days
Options exercisable, weighted average remaining contractual life (in years)		1 year 2 months 16 days	1 year 3 months 15 days
Options outstanding, vested, aggregate intrinsic value (in dollars)	[1]	$ 1.6	$ 3.0	$ 1.6
Options exercisable, aggregate intrinsic value (in dollars)	[1]	$ 1.6	$ 3.0	$ 1.6
Common Stock [Member]
Stock Options
Options outstanding, vested, beginning balance (in shares)				284,671
Options exercisable, beginning balance (in shares)				284,671
Exercised (in shares)				(39,471)
Options outstanding, vested, ending balance (in shares)		245,200	284,671	245,200
Options exercisable, ending balance (in shares)		245,200	284,671	245,200
Per Share Weighted Average Exercise Price
Options outstanding, vested, per share weighted average exercise price, beginning balance (in dollars per share)				$ 12.06
Options exercisable, per share weighted average exercise price, beginning balance (in dollars per share)				12.06
Options outstanding, vested, per share weighted average exercise price, ending balance (in dollars per share)		$ 12.78	$ 12.06	12.78
Options exercisable, per share weighted average exercise price, ending balance (in dollars per share)		$ 12.78	$ 12.06	12.78
Common Stock [Member] | Stock Options [Member]
Per Share Weighted Average Exercise Price
Exercised (in dollars per share)				$ 7.60

[1] Amount represents the difference between the exercise price and the closing share price of the Company’s stock on the last trading day of the corresponding period, multiplied by the number of in-the-money options.