Equity-Based Compensation (Nonvested Options) (Details) (Stock Options [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Nonvested options outstanding, beginning balance (in shares)	1,382	1,252
Nonvested options, Granted (in shares)	0	1,075
Nonvested options, Vested (in shares)	(597)	(85)
Nonvested options, Forfeited (in shares)	(163)	(860)
Nonvested options outstanding, ending balance (in shares)	622	1,382
Share-based Compensation Arrangements by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]
Nonvested options, Weighted Average Grant Date Fair Value, beginning balance (in dollars per share)	$ 1.57	$ 2.27
Nonvested options, Granted, Weighted Average Grant Date Fair Value (in dollars per share)	$ 0.00	$ 1.39
Nonvested options, Vested, Weighted Average Grant Date Fair Value (in dollars per share)	$ 1.46	$ 1.43
Nonvested options, Forfeited, Weighted Average Grant Date Fair Value (in dollars per share)	$ 2.20	$ 2.25
Nonvested options, Weighted Average Grant Date Fair Value, ending balance (in dollars per share)	$ 1.51	$ 1.57